4.7 Review

Recent advances in the synthesis and electrocatalytic application of MXene materials

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Article Chemistry, Physical

Electrostatically directed assembly of two-dimensional ultrathin Co2NiMOF/Ti3C2Tx nanosheets for electrocatalytic oxygen evolution

Pingping Tan et al.

Summary: In this work, two-dimensional composites based on MXene phase were fabricated by electrostatically directed assembly and used as catalysts for oxygen evolution reaction (OER). These composites showed enhanced electrocatalytic properties and demonstrated the feasibility and potential of synthesizing 2D heterostructure catalysts using electrostatically directed assembly.

JOURNAL OF COLLOID AND INTERFACE SCIENCE (2023)

Article Chemistry, Multidisciplinary

Metal Single-Site Molecular Complex-MXene Heteroelectrocatalysts Interspersed Graphene Nanonetwork for Efficient Dual-Task of Water Splitting and Metal-Air Batteries

Thanh Hai Nguyen et al.

Summary: In this study, a novel multifunctional electrocatalyst composed of Fe-MC and MXene embedded in GrH was designed. The catalyst exhibited excellent catalytic activities and stability for various reactions, including ORR, OER, and HER. Practical tests demonstrated high power densities and cycling stability in Zn/Al-air batteries and alkaline water electrolyzers.

ADVANCED FUNCTIONAL MATERIALS (2023)

Article Chemistry, Physical

Surface-confined polymerization to construct binary Fe3N/Co-N-C encapsulated MXene composites for high-performance zinc-air battery

Dangcheng Su et al.

Summary: In this study, an armor was constructed to encapsulate oxidizable MXene, leading to enhanced oxygen reduction reaction (ORR) performance. The synthesized Fe3N/Co-N-C@MXene exhibited superior peak power density and cycle stability compared to Pt-C-20%. Furthermore, the assembled flexible ZAB demonstrated high flexibility and stability in different bending scenarios.

CARBON (2023)

Article Chemistry, Multidisciplinary

Simplified Synthesis of Fluoride-Free Ti3C2Tx via Electrochemical Etching toward High- Performance Electrochemical Capacitors

Jizhang Chen et al.

Summary: A facile and time-saving electrochemical etching method is developed to synthesize F-free and Cl-containing Ti3C2Tx. Sonification alone is able to delaminate Ti3C2Tx without using any hazardous organic intercalant. The obtained Ti3C2Tx flakes exhibit suitable size and stability, and show excellent performance in supercapacitors and hybrid capacitors.

ACS NANO (2022)

Article Chemistry, Multidisciplinary

Fabric-Assisted MXene/Silicone Nanocomposite-Based Triboelectric Nanogenerators for Self-Powered Sensors and Wearable Electronics

Md Salauddin et al.

Summary: A novel scalable surface modification method using fabric-assisted micropatterning technique on highly negative MXene/silicone nanocomposite surface for self-powered sensors and wearable electronics is introduced. The microstructured surface improves the output performance of DSC-TENG by factors of 9.8 and 20 for voltage and peak current density, respectively, compared to flat silicone.

ADVANCED FUNCTIONAL MATERIALS (2022)

Review Chemistry, Multidisciplinary

Recent Advances in Oxidation Stable Chemistry of 2D MXenes

Fangcheng Cao et al.

Summary: This article summarizes the preparation methods of MXenes and systematically introduces their thermal structure-stability relationships in inert, oxidizing, and aqueous environments. It also reviews the key factors affecting the oxidation of MXenes and proposes strategies to avoid or delay the oxidation. Furthermore, the chemistry of MXene-derived oxides is analyzed.

ADVANCED MATERIALS (2022)

Article Engineering, Environmental

Breaking the linear scaling relations in MXene catalysts for efficient CO2 reduction

Ying Li et al.

Summary: The group discovered that by substituting a series of TM atoms in Mo3C2 MXene, the catalytic performance of CO2RR can be significantly improved, allowing for the selective reduction of CO2 to methane (CH4) and effectively lowering the limiting potential of the reaction.

CHEMICAL ENGINEERING JOURNAL (2022)

Article Engineering, Environmental

Nanoarchitectonics from 2D to 3D: MXenes-derived nitrogen-doped 3D nanofibrous architecture for extraordinarily-fast capacitive deionization

Zibiao Ding et al.

Summary: The study successfully addressed the intrinsic limitations of 2D nanosheets by synthesizing nitrogen-doped three-dimensional nanofibrous structures (N-TNF), achieving efficient electrochemical desalination. N-TNF exhibited excellent electrochemical performance and stability, showing ultrahigh desalination rate and capacity.

CHEMICAL ENGINEERING JOURNAL (2022)

Article Engineering, Environmental

Fluorine-free strategy for hydroxylated Ti3C2/Ti3AlC2 catalysts with enhanced aerobic oxidative desulfurization and mechanism

Qingxiao Zhang et al.

Summary: Hydroxylated catalysts were prepared via alkaline etching, exhibiting excellent activity and recyclability in the oxidative desulfurization reaction.

CHEMICAL ENGINEERING JOURNAL (2022)

Article Chemistry, Multidisciplinary

Single-Atom Pt Anchored on Oxygen Vacancy of Monolayer Ti3C2Tx for Superior Hydrogen Evolution

Jiangjiang Zhang et al.

Summary: Two-dimensional MXene-loaded single-atom catalysts have gained increasing attention. Pt single atoms are successfully immobilized on oxygen vacancies of monolayer Ti3C2Tx flakes, and the resulting catalyst shows excellent performance in hydrogen evolution reaction.

NANO LETTERS (2022)

Article Chemistry, Physical

Investigation of MXenes as oxygen reduction electrocatalyst for selective H2O2 generation

Xiao Huang et al.

Summary: This study investigates the H2O2 electrosynthesis performance of three MXene materials and finds that MXenes exhibit excellent two-electron ORR catalytic activity and high stability. Among them, Nb2CTx catalyst shows the best performance with high H2O2 production and rapid organic dye decoloration ability.

NANO RESEARCH (2022)

Article Chemistry, Physical

Sulfur-deficient Bi2S3-x synergistically coupling Ti3C2Tx-MXene for boosting electrocatalytic N2 reduction

Yaojing Luo et al.

Summary: In this study, an efficient NRR catalyst was designed using defect and interface engineering. The catalyst exhibited enhanced NRR activity, surpassing other reported catalysts. Theoretical investigations revealed the synergistic effect of the catalyst's dual-active-center system in the NRR process.

NANO RESEARCH (2022)

Article Chemistry, Physical

Unveiling the Synergy of O-Vacancy and Heterostructure over MoO3-x/MXene for N2 Electroreduction to NH3

Ke Chu et al.

Summary: In this study, vacancy and heterostructure engineering were integrated to develop O-vacancy-rich MoO3-x anchored on Ti3C2Tx-MXene as a highly active and selective NRR electrocatalyst. Experimental results demonstrated exceptional NRR activity, increased NH3 yield, and Faradaic efficiency for the catalyst.

ADVANCED ENERGY MATERIALS (2022)

Article Multidisciplinary Sciences

Ti2N nitride MXene evokes the Mars-van Krevelen mechanism to achieve high selectivity for nitrogen reduction reaction

Denis Johnson et al.

Summary: This study addresses the issue of low selectivity in the electrochemical nitrogen reduction to ammonia process by utilizing the Mars-van Krevelen mechanism on two-dimensional MXene materials. The results demonstrate that MXene materials can achieve high Faradaic efficiency and yield of NH3. These findings lay the foundation for MXene-based NRR technology.

SCIENTIFIC REPORTS (2022)

Article Nanoscience & Nanotechnology

Nature Inspired MXene-Decorated 3D Honeycomb-Fabric Architectures Toward Efficient Water Desalination and Salt Harvesting

Zhiwei Lei et al.

Summary: This research presents a solar evaporator with enhanced light absorption, minimal thermal loss, and efficient salt harvesting. The evaporator demonstrates high solar efficiency and evaporation rate, and enables complete separation of water/solute and efficient salt harvesting even under high salinity conditions.

NANO-MICRO LETTERS (2022)

Article Chemistry, Physical

Highly exfoliated Ti3C2Tx MXene nanosheets atomically doped with Cu for efficient electrochemical CO2 reduction: an experimental and theoretical study

Kamel Eid et al.

Summary: This study designed highly exfoliated Ti3C2Tx nanosheets doped with Cu for electrochemical CO2 reduction reaction, leading to higher CO2RR current density and Faradaic efficiency compared to undoped Ti3C2Tx.

JOURNAL OF MATERIALS CHEMISTRY A (2022)

Article Energy & Fuels

MXene (Ti3C2T x )-Supported Binary Co-, Zn-Doped Carbon as Oxygen Reduction Reaction Catalyst for Anion Exchange Membrane Fuel Cells

Zhongwei Fang et al.

Summary: In this study, CoZn/NC-Ti3C2 catalyst was prepared for the oxygen reduction reaction and exhibited excellent kinetic performance and stability, making it a high-effective non-precious metal catalyst for anion exchange membrane fuel cells.

ENERGY TECHNOLOGY (2022)

Article Engineering, Environmental

Moisture-resistant MXene-sodium alginate sponges with sustained superhydrophobicity for monitoring human activities

Yangchengyi Liu et al.

Summary: This study reports a superhydrophobic MXene-sodium alginate sponge pressure sensor with efficient low-voltage Joule heating to provide sustained superhydrophobicity for moisture-resistant sensing. The sensor can accurately and reliably monitor human health and body motions even in high humidity or water vapor environments.

CHEMICAL ENGINEERING JOURNAL (2022)

Article Chemistry, Physical

TiCN MXene hybrid BCN nanotubes with trace level Co as an efficient ORR electrocatalyst for Zn-air batteries

Yu Wang et al.

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY (2022)

Article Chemistry, Physical

FePc nanoclusters modified NiCo layered double hydroxides in parallel with Ti3C2 MXene as a highly efficient and durable bifunctional oxygen electrocatalyst for zinc-air batteries

Guang-Lan Li et al.

Summary: The bifunctional oxygen activity of layered double hydroxides (LDHs) is enhanced by modifying them with iron phthalocyanine (FePc) nanoclusters and Ti3C2, resulting in the engineered FePc-NiCo-LDH/Ti3C2 catalyst. This catalyst exhibits excellent performance in oxygen reduction reaction (ORR) and oxygen evolution reaction (OER), making it one of the most active samples among the analogues. The Zn-air battery assembled with FePc-NiCo-LDH/Ti3C2 as the air electrode shows high peak power density and long discharge time, highlighting the significance of this direct engineering strategy in renewable clean energy devices.

APPLIED SURFACE SCIENCE (2022)

Article Chemistry, Physical

Mo2CS2-MXene supported single-atom catalysts for efficient and selective CO2 electrochemical reduction

Sambath Baskaran et al.

Summary: This study investigated the geometry, electronic structure, stabilities, catalytic activity, and selectivity of single-atom catalysts (SACs) in CO2 electrochemical reduction. The results showed that the Mo2CS2 surface has significant potential as a single-atom catalyst for selective CO2 reduction.

APPLIED SURFACE SCIENCE (2022)

Article Materials Science, Ceramics

Self-assembly synthesis of Ni-decorated Nb2C MXene as an efficient and stable catalyst towards electrochemical nitrogen reduction

Haiding Zhu et al.

Summary: The research team synthesized an economical, efficient, and stable Ni-decorated Nb2C (Ni@Nb2C) MXene-based catalyst for electrochemical nitrogen reduction reaction (NRR), which showed excellent performance and potential applications in a wide range of environment- and energy-related fields like ammonia synthesis.

CERAMICS INTERNATIONAL (2022)

Article Chemistry, Multidisciplinary

High-Performance FeCo/NC-Mo2TiC2/Carbon Nanotube Hybrid Support Catalyst toward Oxygen Reduction for Alkaline Anion Exchange Membrane Fuel Cell

Chenxi Xu et al.

Summary: Non-noble metal-nitrogen-carbon catalysts (M-N-C) with high reaction activity, long-term stability, and low cost have been considered as potential catalysts for the oxygen reduction reaction (ORR) in alkaline medium. In this study, carbon nanotube-MXene hybrid supports were used with non-noble metal FeCo as the cathode ORR catalyst for an alkaline anion exchange membrane fuel cell. The FeCo/NC-Mo2TiC2 catalysts showed significantly enhanced electrochemical ORR activity and remarkable stability.

ACS SUSTAINABLE CHEMISTRY & ENGINEERING (2022)

Review Materials Science, Multidisciplinary

Fluoride-free synthesis and long-term stabilization of MXenes

Andrew Jun Yao Wong et al.

Summary: MXenes are promising two-dimensional materials with great potential in energy storage and conversion. However, their widespread adoption is limited due to environmental concerns and stability issues. This review summarizes fluoride-free etching techniques and processes to improve the oxidative resistance of MXenes.

JOURNAL OF MATERIALS RESEARCH (2022)

Article Chemistry, Physical

High-Efficiency Oxygen Reduction to Hydrogen Peroxide Catalyzed by Oxidized Mo2TiC2 MXene

Ge Li et al.

Summary: In this study, oxidized Mo2TiC2 MXene was successfully synthesized as an electrocatalyst for electrocatalytic H2O2 production, showing high selectivity and long-term stable working ability.

CATALYSTS (2022)

Article Chemistry, Physical

Kinetics of Ti3AlC2 Etching for Ti3C2TX MXene Synthesis

Mark Anayee et al.

Summary: MXenes, a family of two-dimensional carbides and nitrides, have wide applications in energy storage, wireless communication, optoelectronics, and medicine due to their high conductivity, redox-active surfaces, and plasmonic behavior. Understanding the kinetics of MXene synthesis is crucial for controlling their properties. In this study, a systematic investigation of the etching kinetics of the MAX phase precursor was conducted, revealing NH4HF2 as the most efficient etchant and establishing a predictive model for optimal synthesis conditions.

CHEMISTRY OF MATERIALS (2022)

Article Chemistry, Multidisciplinary

Fast and High-Yield Anhydrous Synthesis of Ti3C2Tx MXene with High Electrical Conductivity and Exceptional Mechanical Strength

Taegon Oh et al.

Summary: 2D transition metal carbides or nitrides (MXenes) have attracted attention due to their unique physicochemical properties. An anhydrous etching solution is proposed to enhance the production of MXenes, and high-quality MXenes can be synthesized by controlling the reaction conditions.
Review Chemistry, Physical

Two-dimensional carbide/nitride (MXene) materials in thermal catalysis

Yuyao Yang et al.

Summary: This article provides a comprehensive summary of the characteristics of MXenes as catalysts and supports compared with traditional thermal catalysts. It also elaborates on the nature of termination groups, active sites, and metal-MXene interactions. Insights into the future development of catalysts based on MXene materials are also provided.

JOURNAL OF MATERIALS CHEMISTRY A (2022)

Article Chemistry, Applied

Charge transfer and orbital reconstruction of non-noble transition metal single-atoms anchored on Ti2CTx-MXenes for highly selective CO2 electrochemical reduction

Neng Li et al.

Summary: Inspired by MXene nanosheets, a series of Ti2C-based single-atom electrocatalysts with different functional groups were designed, and their catalytic performance for CO2RR was studied. The results showed that the Ti2CO2 surface facilitated CO2 activation and had a lower free energy for the first hydrogenation reaction compared to the Ti2CS2 surface. By anchoring Cr atoms on a mixed functional group surface, high catalytic activity for selective CH4 production was achieved. This study opens a new avenue for the rational design of highly selective CO2RR electrocatalysts based on MXene.

CHINESE JOURNAL OF CATALYSIS (2022)

Article Chemistry, Applied

Heterostructuring 2D TiO2 nanosheets in situ grown on Ti3C2Tx MXene to improve the electrocatalytic nitrogen reduction

Xiu Qian et al.

Summary: In this study, TiO2 nanosheets (NSs) grown on highly conductive Ti3C2Tx MXene were proposed to achieve electrocatalytic NH3 synthesis. Ti3C2Tx MXene promoted electron transfer, while in-situ formation of TiO2 NSs prevented stacking and increased surface area. The TiO2/Ti3C2Tx MXene catalyst exhibited high efficiency and strong electrochemical durability, with the nitrogen in the produced NH3 originating from the electrolyte's N2.

CHINESE JOURNAL OF CATALYSIS (2022)

Article Chemistry, Multidisciplinary

Single-Atom Pt Anchored on Oxygen Vacancy of Monolayer Ti3C2Tx for Superior Hydrogen Evolution

Jiangjiang Zhang et al.

Summary: By immobilizing Pt SAs on the O-V of Ti3C2Tx, a novel catalyst with excellent HER performance was successfully constructed, showing small overpotential and high activity.

NANO LETTERS (2022)

Review Chemistry, Physical

MXenes for Non-Lithium-Ion (Na, K, Ca, Mg, and Al) Batteries and Supercapacitors

Muhammad Kashif Aslam et al.

Summary: The Nobel Prize in Chemistry for lithium-ion batteries highlights the significance of portable energy storage devices, while non-lithium rechargeable energy storage technologies are gaining attention for their cost-effectiveness and high energy densities. MXenes, as a type of 2D material, have emerged as popular materials for energy storage with their good electrochemical properties, offering a valuable strategy for discovering new structures and tuning properties for energy storage technologies.

ADVANCED ENERGY MATERIALS (2021)

Article Chemistry, Physical

Nb4C3Tx (MXene) as a new stable catalyst for the hydrogen evolution reaction

Yuanbo Tan et al.

Summary: This study demonstrates the superior catalytic activity of Nb4C3Tx in the MXene series under alkaline conditions, with lower overpotential and excellent cycling performance in both acidic and alkaline environments. Nb4C3Tx shows promising potential for broad applications in energy fields.

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY (2021)

Article Chemistry, Multidisciplinary

Applications of Few-Layer Nb2C MXene: Narrow-Band Photodetectors and Femtosecond Mode-Locked Fiber Lasers

Lingfeng Gao et al.

Summary: The physicochemical properties of niobium carbide have been widely explored, showing potential applications in photoelectronics. Few-layer Nb2C MXene can be used as a building block for photoelectrochemical-type photodetectors and mode-lockers, with adjustable photoresponse performance. Additionally, Nb2C nanosheets demonstrate stability in ultrastable pulses for optical switches and high harmonic orders in fiber lasers. These results expand the application prospects of two-dimensional MXenes in various photoelectronic devices.

ACS NANO (2021)

Article Chemistry, Multidisciplinary

Ambient-Stable Two-Dimensional Titanium Carbide (MXene) Enabled by Iodine Etching

Huanhuan Shi et al.

Summary: The study demonstrated a fluoride-free, iodine-assisted etching route for preparing oxygen-rich two-dimensional MXene with intact lattice structure. These MXene sheets exhibit excellent thin-film conductivity and great ambient stability in water, showing promise for practical applications.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2021)

Article Chemistry, Physical

MXene-induced electronic optimization of metal-organic framework-derived CoFe LDH nanosheet arrays for efficient oxygen evolution

Liuyong Hu et al.

Summary: In this study, the OER performance of CoFe MLDH was improved by using Ti3C2 MXene as a support and post-treating MOF with a specific etching-coprecipitating method. Experimental results demonstrated that the strong electronic interaction between CoFe MLDH and Ti3C2 MXene could modulate the binding strength of intermediates for OER.

APPLIED CATALYSIS B-ENVIRONMENTAL (2021)

Article Chemistry, Physical

V2C MXene synergistically coupling FeNi LDH nanosheets for boosting oxygen evolution reaction

Yafeng Chen et al.

Summary: The synthesized H2PO2-/FeNiLDH-V2C catalyst exhibits excellent OER performance and durability, showing promise for advanced applications in renewable energy technologies. MXene-based nanohybrids have the potential to play a significant role in renewable energy applications.

APPLIED CATALYSIS B-ENVIRONMENTAL (2021)

Article Engineering, Environmental

MXenes: Advanced materials in potassium ion batteries

Yuanji Wu et al.

Summary: MXenes, a new type of 2D materials derived from MAX phases, show great potential in metal-ion batteries due to their unique properties. Modification of MXenes can improve their performance in potassium ion batteries, providing insights for the future development of MXenes in PIBs.

CHEMICAL ENGINEERING JOURNAL (2021)

Article Engineering, Environmental

Layered Ti3C2 MXene and silver co-modified g-C3N4 with enhanced visible light-driven photocatalytic activity

Kelei Huang et al.

Summary: In this study, a novel Ag/g-C3N4/Ti3C2 heterojunction was successfully synthesized via one-step calcination, with Ag nanoparticles and layered Ti3C2 playing roles in enhancing responsivity and accelerating charge transfer. The optimized heterojunction showed efficient removal of organic pollutants under visible light irradiation.

CHEMICAL ENGINEERING JOURNAL (2021)

Article Electrochemistry

Ultrathin Ti2NTx MXene-wrapped MOF-derived CoP frameworks towards hydrogen evolution and water oxidation

Hui Zong et al.

Summary: The Ti2NTx@MOF-CoP composite is a low-cost, high-activity bifunctional catalyst with competitive hydrogen evolution performance in a wide pH range. Setting a dual-electrode configuration based on its bifunctional activity in alkaline conditions can achieve impressive catalytic stability.

ELECTROCHIMICA ACTA (2021)

Article Chemistry, Applied

Synergistic cerium doping and MXene coupling in layered double hydroxides as efficient electrocatalysts for oxygen evolution

Yangyang Wen et al.

Summary: A new hybrid nanostructure, NiFeCe-LDH/MXene, was developed for efficient electrocatalysis towards OER with low onset overpotential and overpotential in the alkaline medium compared to pure LDH counterparts and IrO2 catalyst. The hybrid catalyst also exhibited fast reaction kinetics and remarkable stable durability, showing potential for renewable energy conversion and storage systems.

JOURNAL OF ENERGY CHEMISTRY (2021)

Article Chemistry, Physical

MXene conductive binder for improving performance of sodium-ion anodes in water-in-salt electrolyte

Fyodor Malchik et al.

Summary: MXene as an efficient binder for Na-ion anodes in aqueous batteries, providing electronically conductive paths, fast ion transfer, and capacitive contribution to stored charge. Integrated NTP/MXene electrodes show superior electrochemical performance compared to conventional PVDF-bonded electrodes, with high rate capability and cycling efficiency. A full cell with Na-intercalated MXene/NTP anode and FeFe(CN)(6) cathode demonstrates stable performance in NaClO4 electrolyte solution.

NANO ENERGY (2021)

Article Chemistry, Analytical

NiCoFe-layered double hydroxides/MXene/N-doped carbon nanotube composite as a high performance bifunctional catalyst for oxygen electrocatalytic reactions in metal-air batteries

Monireh Faraji et al.

Summary: The NiCoFe-LDH/Ti3C2 MXene/NCNT composite, constructed via a simple hydrothermal method, exhibited superb electrocatalytic activity towards oxygen evolution and oxygen reduction reactions, making it a promising catalyst for rechargeable Zn-air batteries.

JOURNAL OF ELECTROANALYTICAL CHEMISTRY (2021)

Article Chemistry, Multidisciplinary

Selective Etching Quaternary MAX Phase toward Single Atom Copper Immobilized MXene (Ti3C2Clx) for Efficient CO2 Electroreduction to Methanol

Qi Zhao et al.

Summary: An efficient method for producing single atom copper immobilized MXene for catalyzing CO2 reduction to methanol through selective etching of hybrid A layers in quaternary MAX phases was demonstrated. The single atom Cu catalyst exhibited high Faradaic efficiency and good electrocatalytic stability, attributed to its unique electronic structure and surface functional groups.

ACS NANO (2021)

Article Chemistry, Multidisciplinary

Halogen Etch of Ti3AlC2 MAX Phase for MXene Fabrication

Ali Jawaid et al.

Summary: A new room-temperature etching method using halogens in anhydrous media can synthesize MXenes from Ti3AlC2, providing opportunities for controlled surface chemistries to modulate MXene properties. The radical-mediated process strongly depends on various factors, such as the molar ratio of halogen to MAX phase, concentration of halogen, solvent, and temperature.

ACS NANO (2021)

Review Chemistry, Multidisciplinary

Status and Prospects of MXene-Based Lithium-Sulfur Batteries

Qian Zhao et al.

Summary: MXenes, with their metallic conductivity, strong chemical adsorption ability to polysulfides, and effective catalytic effect, show promising potential for high-performance Li-S batteries. Their use in sulfur cathode, interlayer between cathode and separator, and Li anode can enhance electrochemical performance and address challenges in Li-S battery application.

ADVANCED FUNCTIONAL MATERIALS (2021)

Article Chemistry, Multidisciplinary

Multitasking MXene Inks Enable High-Performance Printable Microelectrochemical Energy Storage Devices for All-Flexible Self-Powered Integrated Systems

Shuanghao Zheng et al.

Summary: This study discusses the application of multitasking aqueous printable MXene inks in the fabrication of micro-supercapacitors and lithium-ion batteries, showing great potential for high-performance electronic devices on various substrates.

ADVANCED MATERIALS (2021)

Article Chemistry, Physical

2D Vanadium Carbide (MXene) for Electrochemical Synthesis of Ammonia Under Ambient Conditions

Jiaojiao Xia et al.

Summary: In this study, 2D vanadium carbide was synthesized and used as an efficient electrocatalyst for electrocatalytic N-2 reduction reaction. The catalyst showed high NH3 yield rate and Faradaic efficiency, with theoretical calculations demonstrating low reaction barrier.

CATALYSIS LETTERS (2021)

Article Engineering, Environmental

Catalytic oxidation of naproxen in cobalt spinel ferrite decorated Ti3C2Tx MXene activated persulfate system: Mechanisms and pathways

Aqsa Fayyaz et al.

Summary: Naproxen (NPX) is a nonsteroidal anti-inflammatory drug that can have detrimental effects on human and ecosystem health at certain concentrations in aqueous environments. A nanocatalyst composed of MXene nanosheets and CoFe2O4 nanoparticles was successfully fabricated for the degradation of NPX, with high removal efficiency achieved. Radical and nonradical pathways were found to be involved in the catalytic degradation process, indicating the promising potential of CoFe2O4@MXene/PS system for treating water polluted with NPX.

CHEMICAL ENGINEERING JOURNAL (2021)

Article Chemistry, Physical

Single transition metal atom catalysts on Ti2CN2 for efficient CO2 reduction reaction

Feifei Li et al.

Summary: This study investigated the catalytic activity of single transition-metal atoms anchored on 2D Ti2CN2 for CO2RR, finding that Sc, Ti, and V show high catalytic activity for CO production, while Mn and Fe are active for HCOOH production. Additional electrons injection can tune the catalytic activity and selectivity.

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY (2021)

Article Chemistry, Multidisciplinary

A General Strategy toward Metal Sulfide Nanoparticles Confined in a Sulfur-Doped Ti3C2Tx MXene 3D Porous Aerogel for Efficient Ambient N2 Electroreduction

Qinglin Li et al.

Summary: A novel functional 3D MXene-based composite heterojunction aerogel was constructed and studied for its application in electrochemical nitrogen reduction reaction. The aerogel exhibited significantly improved NRR catalytic performance and stability, with potential applications in energy storage, conversion, catalysis, and other fields.
Article Chemistry, Physical

A flexible ultra-sensitive triboelectric tactile sensor of wrinkled PDMS/MXene composite films for E-skin

Ya-Wei Cai et al.

Summary: The study constructed a flexible TENG as a self-powered tactile sensor using a simple method, achieving high sensitivity and showing good application prospects in monitoring complex physiological signals and simulating human touch sensation.

NANO ENERGY (2021)

Article Multidisciplinary Sciences

Vertically-interlaced NiFeP/MXene electrocatalyst with tunable electronic structure for high-efficiency oxygen evolution reaction

Jiexin Chen et al.

Summary: NiFeP/MXene materials with excellent oxygen evolution reaction (OER) performance have been successfully synthesized in this study, showing promise for efficient water splitting. By tuning the electronic structure and density, the material enhances the energy level of the catalyst surface, leading to superior OER performance.

SCIENCE BULLETIN (2021)

Article Chemistry, Physical

Two-dimensional MXenes for electrochemical capacitor applications: Progress, challenges and perspectives

Qizhen Zhu et al.

Summary: MXenes, a family of 2D transition metal carbides/nitrides, show great potential for energy storage applications, with Ti3C2Tx being the most studied one. This review summarizes recent advances and challenges of MXenes for supercapacitors, discussing preparation methods, composition versatility, material architectures, and energy storage mechanisms. Future development of MXenes for designing next-generation supercapacitors is also provided.

ENERGY STORAGE MATERIALS (2021)

Article Chemistry, Multidisciplinary

Modified MAX Phase Synthesis for Environmentally Stable and Highly Conductive Ti3C2 MXene

Tyler S. Mathis et al.

Summary: By including excess aluminum during the synthesis of the Ti3AlC2 MAX phase precursor, improved Al-Ti3C2 nanosheets with enhanced crystallinity and carbon stoichiometry are produced, leading to higher resistance to oxidation and increased electronic conductivity. The shelf life of aqueous suspensions of stoichiometric single-to few-layer Al-Ti3C2 flakes made from the modified precursor is extended to over ten months, compared to 1 to 2 weeks for previously published Ti3C2. Additionally, the improved Al-Ti3C2 exhibits oxidation initiation at temperatures 100-150 degrees C higher than conventional Ti3C2, demonstrating potential for widespread use of this material.

ACS NANO (2021)

Article Chemistry, Multidisciplinary

Lamellar MXene Composite Aerogels with Sandwiched Carbon Nanotubes Enable Stable Lithium-Sulfur Batteries with a High Sulfur Loading

Bin Zhang et al.

Summary: In this study, a lamellar aerogel composed of Ti3C2Tx MXene/carbon nanotube sandwiches was prepared to improve the cycling stability of high sulfur loading batteries. The unique parallel-aligned structure of the material effectively suppresses lithium polysulfide shuttling and enhances the confinement ability of LiPS, resulting in high capacity and superior cycling stability.

ADVANCED FUNCTIONAL MATERIALS (2021)

Article Chemistry, Multidisciplinary

The Electrostatic Attraction and Catalytic Effect Enabled by Ionic-Covalent Organic Nanosheets on MXene for Separator Modification of Lithium-Sulfur Batteries

Pengyue Li et al.

Summary: This study proposes a new strategy to regulate the redox kinetics and shuttle effect of polysulfides by modifying a polypropylene separator with a coating layer of guanidinium-based ionic-covalent organic nanosheets (iCON) on the surface of Ti3C2. The synergistic effects of Ti3C2 and iCON effectively suppress the shuttle effect of polysulfides and accelerate the redox reactions of sulfur species, resulting in high-performance lithium-sulfur batteries.

ADVANCED MATERIALS (2021)

Article Engineering, Chemical

Covalent Immobilization of Black Phosphorus Quantum Dots on MXene for Enhanced Electrocatalytic Nitrogen Reduction

Ludong He et al.

Summary: A novel BPQDs/Ti3C2 heterostructure was reported with enhanced NRR activity due to the strong interfacial coupling effect from P-O-Ti bonds. Compared with pure BPQDs or Ti3C2 electrocatalysts, BPQDs/Ti3C2 showed higher NH3 yield and good durability.

INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH (2021)

Article Chemistry, Multidisciplinary

Single-Atom-Substituted Mo2CTx:Fe-Layered Carbide for Selective Oxygen Reduction to Hydrogen Peroxide: Tracking the Evolution of the MXene Phase

Denis A. Kuznetsov et al.

Summary: This study critically assesses the electrocatalytic activity, stability, and nature of the active phase of a two-dimensional molybdenum carbide with single-atomic iron sites in the catalysis of the oxygen reduction reaction. The research revealed that the iron single sites transformed into active iron oxyhydroxide species, challenging previous studies on the activity of native MXene phases in oxygen electrocatalysis.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2021)

Review Chemistry, Multidisciplinary

MXene-Based Materials for Electrochemical Sodium-Ion Storage

Pin Ma et al.

Summary: Researchers worldwide have made significant progress in electrochemical sodium-ion storage, with MXene-based materials being considered as one of the most potential electrode materials. The latest research work covers a wide range of applications of pure MXenes and MXene-based composites, exploring effective methods to enhance electrochemical performance.

ADVANCED SCIENCE (2021)

Article Chemistry, Multidisciplinary

Ultrahigh-Volumetric-Energy-Density Lithium-Sulfur Batteries with Lean Electrolyte Enabled by Cobalt-Doped MoSe2/Ti3C2Tx MXene Bifunctional Catalyst

Wei Wang et al.

Summary: The study introduces a new sulfur host material for Li-S batteries, which achieves high energy density and capacity through smart design and a novel bifunctional catalyst. The incorporation of Co element enhances the material's electronic conductivity and catalytic activity, leading to fast redox kinetics and uniform Li2S nucleation in a dense high-sulfur-loaded cathode.

ACS NANO (2021)

Article Chemistry, Multidisciplinary

Rational Design of Highly Stable and Active MXene-Based Bifunctional ORR/OER Double-Atom Catalysts

Bo Wei et al.

Summary: Designing highly active and bifunctional oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) catalysts with non-noble metals such as Fe/Co/Ni on MXene surfaces has shown superior performance compared to traditional unifunctional catalysts, providing a novel pathway for tunable catalytic behavior in MXenes. The electronic structure analyses revealed that the excellent catalytic activities in MXene-based DACs are attributed to the electron-capturing capability and synergistic interactions between Fe/Co/Ni adsorbents and MXene substrate. These findings not only suggest promising candidates for MXene-based bifunctional ORR/OER catalysts but also offer new theoretical insights into rationally designing noble-metal-free bifunctional DACs.

ADVANCED MATERIALS (2021)

Review Chemistry, Multidisciplinary

Advances in the Synthesis of 2D MXenes

Yi Wei et al.

Summary: MXenes, versatile materials with adjustable structures and rich surface chemistry, have been recognized as potential 2D materials for various applications. Recent research has focused on synthetic routes, etching methods, and delamination strategies for large-scale preparation and stable storage. Antioxidation strategies for MXenes have also been summarized for future developments and practical applications.

ADVANCED MATERIALS (2021)

Article Engineering, Environmental

Hybrid Pd50-Ru50/MXene (Ti3C2Tx) nanocatalyst for effective hydrogenation of CO2 to methanol toward climate change control

G. Bharath et al.

Summary: Researchers have developed a 2D alloyed Pd-50-Ru-50 nanoparticles decorated MXene nanocatalyst for efficient hydrogenation of CO2 into selective production of methanol. The catalyst showed superior catalytic activity and high CO2 conversion efficiency, making it a promising candidate for commercial-scale CO2 capture and renewable liquid fuel production.

CHEMICAL ENGINEERING JOURNAL (2021)

Article Chemistry, Physical

Etching Mechanism of Monoatomic Aluminum Layers during MXene Synthesis

Yong-Jae Kim et al.

Summary: Understanding the etching mechanisms of MXene and the influence of etchants on structural features and defects are crucial for improving MXene properties. This study visualizes the etching behavior of the Ti3AlC2 MAX phase at the atomic scale and reveals the etching mechanism for the first time. Differences in etching behavior among different etchants were also observed.

CHEMISTRY OF MATERIALS (2021)

Article Chemistry, Physical

Synergistic performance of nitrogen and sulfur co-doped Ti3C2TX for electrohydrogenation of N2 to NH3

Yushuang Zeng et al.

Summary: The co-doping strategy was employed to design the electronic configuration and structural mechanic of Ti3C2Tx catalysts for efficient NRR, leading to improved electron/ion transport capacity and increased catalytic active sites. The NS-Ti3C2Tx nanosheets showed excellent electrocatalytic stability with high NH3 yield and Faraday efficiency, demonstrating promising potential for energy storage applications.

JOURNAL OF ALLOYS AND COMPOUNDS (2021)

Review Materials Science, Multidisciplinary

Characterization of MXenes at every step, from their precursors to single flakes and assembled films

Mikhail Shekhirev et al.

Summary: The field of MXene continues to grow as more research groups investigate this large class of 2D materials. While synthesis and applications have been widely discussed, the importance of characterization is often overlooked. This review focuses on various advanced characterization techniques for understanding the precursor suitability, successful synthesis, composition, structure, and properties of MXene.

PROGRESS IN MATERIALS SCIENCE (2021)

Article Chemistry, Multidisciplinary

Tuning the Chemical Properties of Co-Ti3C2Tx MXene Materials for Catalytic CO2 Reduction

Jun Ma et al.

Summary: This study demonstrates that the surface reducibility of Ti3C2Tx MXene can be tuned by N doping, leading to a change in the catalytic properties of supported Co nanoparticles. Pristine Co-Ti3C2Tx MXene favors CO production during CO2 hydrogenation, whereas CH4 production is favored when the MXene is subjected to N doping.
Article Chemistry, Multidisciplinary

Highly Dispersed Ru Nanoparticles on Boron-Doped Ti3C2Tx (MXene) Nanosheets for Synergistic Enhancement of Electrocatalytic Hydrogen Evolution

Munkhjargal Bat-Erdene et al.

Summary: Doped MXene nanosheets with boron were developed as a solid support for hosting ruthenium nanoparticles for electrocatalytic hydrogen evolution. Theoretical calculations and experimental tests showed that boron doping can enhance reactivity and electrode kinetics of active sites, leading to improved catalytic activity.
Article Chemistry, Multidisciplinary

Synergistic Enhancement of Electrocatalytic Nitrogen Reduction Over Boron Nitride Quantum Dots Decorated Nb2CTx-MXene

Ke Chu et al.

Summary: A novel hexagonal BN quantum dots (BNQDs) decorated Nb2CTx-MXene (BNQDs@Nb2CTx) has been explored as an efficient NRR catalyst, which shows optimum NRR activity, high Faradaic efficiency, and excellent stability, outperforming most of the state-of-the-art NRR catalysts. The synergistic interplay of BNQDs and Nb2CTx creates unique interfacial B sites serving as NRR catalytic centers, enhancing N-2 activation and impeding H-2 evolution.
Article Multidisciplinary Sciences

Two-dimensional molybdenum carbide 2D-Mo2C as a superior catalyst for CO2 hydrogenation

Hui Zhou et al.

Summary: Early transitional metal carbides, such as 2D-Mo2C, show promising catalytic activity for CO2 hydrogenation through surface group manipulation, resulting in tunable selectivity and activity for the reaction. This study highlights the importance of surface termination groups in controlling the performance of carbide catalysts for CO2 conversion to value-added chemicals.

NATURE COMMUNICATIONS (2021)

Article Chemistry, Physical

Computational screening study of double transition metal carbonitrides M′2MCNO2-MXene as catalysts for hydrogen evolution reaction

Zhoulan Zeng et al.

Summary: This study investigated the HER activity of 64 O-terminated double transition metal carbonitrides and found 11 candidates with superior performance compared to Pt. Among them, Ti2NbCNO2, Mo2TiCNO2, and Ti2VCNO2 were identified as more stable options with potential to be perfect HER catalysts. This work provides a pathway for designing excellent HER catalyst candidates based on M ' M-2 '' CNO2-MXenes.

NPJ COMPUTATIONAL MATERIALS (2021)

Review Chemistry, Multidisciplinary

Carbon dioxide and nitrogen reduction reactions using 2D transition metal dichalcogenide (TMDC) and carbide/nitride (MXene) catalysts

Zhaodong Li et al.

Summary: Improving CO2RR and NRR reactions can reduce greenhouse gas emissions and produce needed chemicals; 2D TMDCs and MXenes can efficiently undergo CO2RR and NRR by controlling defects, phases, edge sites, interfaces, and functional groups.

ENERGY & ENVIRONMENTAL SCIENCE (2021)

Article Chemistry, Physical

Constructing an electron-rich interface over an Sb/Nb2CTx-MXene heterojunction for enhanced electrocatalytic nitrogen reduction

Xingchuan Li et al.

Summary: In this study, a highly efficient NRR catalyst Sb/Nb2CTx was reported, achieving high NH3 yield and selectivity. Density functional theory calculations revealed the mechanism behind the excellent performance of this catalyst.

JOURNAL OF MATERIALS CHEMISTRY A (2021)

Review Chemistry, Physical

Ti3C2 MXene-polymer nanocomposites and their applications

Hossein Riazi et al.

Summary: MXene/polymer nanocomposites combine the strengths of MXenes and polymers, exhibiting superior properties in various engineering fields. This review critically examines the progress in these areas and identifies future research directions, including novel applications and surface modification approaches.

JOURNAL OF MATERIALS CHEMISTRY A (2021)

Article Nanoscience & Nanotechnology

TiO2-Decorated Titanium Carbide MXene co-Doped with Nitrogen and Sulfur for Oxygen Electroreduction

Haridas Parse et al.

Summary: The study presents the development of an efficient electrocatalyst for the electroreduction of oxygen in low-temperature fuel cells by self-decoration of TiO2 on the surface and in between layers of nitrogen (-N), sulfur (-S) co-doped MXene (Ti3C2) to form Ti3C2/NSCD-600 nanocomposite. The optimized nanocomposite exhibits improved catalytic performance, faster kinetics, and better cycling stability compared to state-of-the-art catalyst (Pt/C), demonstrating potential for energy generation in low-temperature FCs.

ACS APPLIED NANO MATERIALS (2021)

Article Chemistry, Multidisciplinary

Electrocatalytic CO2 reduction on earth abundant 2D Mo2C and Ti3C2 MXenes

Nuwan H. Attanayake et al.

Summary: Mo2C and Ti3C2 MXenes show high efficiency as electrocatalysts for the CO2 reduction reaction, with Mo2C exhibiting a faradaic efficiency of 90% and Ti3C2 exhibiting a faradaic efficiency of 65%. The use of an ionic liquid electrolyte suppresses the competing hydrogen evolution reaction, allowing for improved CO2 reduction efficiency.

CHEMICAL COMMUNICATIONS (2021)

Article Chemistry, Physical

When MOFs meet MXenes: superior ORR performance in both alkaline and acidic solutions

Wen-Tao Wang et al.

Summary: The study presents a novel non-noble metal composite catalyst Fe-N-C@Ti3C2Tx synthesized through a separated pyrolysis strategy, showing excellent ORR activity and stability, with potential applications in fuel cells and metal-air batteries.

JOURNAL OF MATERIALS CHEMISTRY A (2021)

Review Chemistry, Physical

Recent progress of MXenes and MXene-based nanomaterials for the electrocatalytic hydrogen evolution reaction

Zhaoming Kang et al.

Summary: This review provides an overview of the recent advances in MXenes and their composites applied in HER electrocatalysis, highlighting their excellent HER activity and stability. The synthesis, functional mechanisms, and performance optimization are discussed, along with proposed strategies to overcome technical challenges for future research and development towards practical applications in electrochemical energy storage and conversion devices.

JOURNAL OF MATERIALS CHEMISTRY A (2021)

Article Chemistry, Multidisciplinary

A two-dimensional MXene-supported metal-organic framework for highly selective ambient electrocatalytic nitrogen reduction

Xingyou Liang et al.

Summary: The study successfully prepared a ZIF-67@Ti3C2 catalyst for efficient electrochemical synthesis of ammonia, demonstrating excellent NH3 yield and good Faraday efficiency. The successful preparation of this catalyst expands the application of the MXene family in the electrochemical nitrogen reduction reaction.

NANOSCALE (2021)

Article Chemistry, Multidisciplinary

Improved synthesis of Ti3C2Tx MXenes resulting in exceptional electrical conductivity, high synthesis yield, and enhanced capacitance

Ali Shayesteh Zeraati et al.

Summary: The EN-MILD synthesis approach has successfully produced high quality MXene sheets with exceptional electrical conductivity, high yield of delaminated single layers, and high colloidal concentrations, significantly expanding the applications of MXenes.

NANOSCALE (2021)

Article Chemistry, Applied

Orbital symmetry matching: Achieving superior nitrogen reduction reaction over single-atom catalysts anchored on Mxene substrates

Jiale Qu et al.

Summary: This study reports superior NRR catalysts identified by first-principles calculations on Ti2NO2 MXenes embedded with 28 different single-atom catalysts. The stability of the system was confirmed using formation energies, and a new enzymatic-distal reaction mechanism was discovered. Among all candidates, Ni anchored on the MXene system achieved the lowest onset potential value reported to date, highlighting the importance of orbital symmetry matching.

CHINESE JOURNAL OF CATALYSIS (2021)

Article Chemistry, Multidisciplinary

A High-Performance, Tailorable, Wearable, and Foldable Solid-State Supercapacitor Enabled by Arranging Pseudocapacitive Groups and MXene Flakes on Textile Electrode Surface

Yuanming Wang et al.

Summary: A high-performance, tailorable and foldable solid-state asymmetric supercapacitor was developed through regulating oxidization time and MXene loading, fundamentally avoiding the risk of active materials detaching during mechanical deformation. This device achieved extended voltage window, high energy density, and capacitance retention after cycles, showing potential practical application.

ADVANCED FUNCTIONAL MATERIALS (2021)

Review Chemistry, Multidisciplinary

Porous MXenes: Synthesis, structures, and applications

Fanxing Bu et al.

NANO TODAY (2020)

Article Chemistry, Multidisciplinary

2D/2D 1T-MoS2/Ti3C2 MXene Heterostructure with Excellent Supercapacitor Performance

Xin Wang et al.

ADVANCED FUNCTIONAL MATERIALS (2020)

Article Chemistry, Multidisciplinary

Microchannel-Confined MXene Based Flexible Piezoresistive Multifunctional Micro-Force Sensor

Yuyu Gao et al.

ADVANCED FUNCTIONAL MATERIALS (2020)

Article Chemistry, Multidisciplinary

MXene Composite and Coaxial Fibers with High Stretchability and Conductivity for Wearable Strain Sensing Textiles

Shayan Seyedin et al.

ADVANCED FUNCTIONAL MATERIALS (2020)

Article Chemistry, Multidisciplinary

Electromagnetic Shielding of Monolayer MXene Assemblies

Taeyeong Yun et al.

ADVANCED MATERIALS (2020)

Article Chemistry, Physical

MXenes as promising catalysts for water dissociation

Jose D. Gouveia et al.

APPLIED CATALYSIS B-ENVIRONMENTAL (2020)

Article Engineering, Environmental

MXene-decorated SnS2/Sn3S4 hybrid as anode material for high-rate lithium-ion batteries

Junfeng Li et al.

CHEMICAL ENGINEERING JOURNAL (2020)

Review Physics, Multidisciplinary

Two-dimensional MXenes: From morphological to optical, electric, and magnetic properties and applications

Xiantao Jiang et al.

PHYSICS REPORTS-REVIEW SECTION OF PHYSICS LETTERS (2020)

Article Chemistry, Physical

MXene Materials for the Electrochemical Nitrogen Reduction-Functionalized or Not?

Luke R. Johnson et al.

ACS CATALYSIS (2020)

Article Nanoscience & Nanotechnology

High-Performance Electrocatalytic Conversion of N2 to NH3 Using 1T-MoS2 Anchored on Ti3C2 MXene under Ambient Conditions

Xuesong Xu et al.

ACS APPLIED MATERIALS & INTERFACES (2020)

Article Chemistry, Multidisciplinary

Recent Advances and Promise of MXene-Based Nanostructures for High-Performance Metal Ion Batteries

Yanfeng Dong et al.

ADVANCED FUNCTIONAL MATERIALS (2020)

Article Chemistry, Multidisciplinary

Turning Trash into Treasure: Additive Free MXene Sediment Inks for Screen-Printed Micro-Supercapacitors

Sina Abdolhosseinzadeh et al.

ADVANCED MATERIALS (2020)

Article Chemistry, Multidisciplinary

The Assembly of MXenes from 2D to 3D

Zhitan Wu et al.

ADVANCED SCIENCE (2020)

Article Multidisciplinary Sciences

Anchoring Co3O4 nanoparticles on MXene for efficient electrocatalytic oxygen evolution

Yi Lu et al.

SCIENCE BULLETIN (2020)

Article Chemistry, Analytical

Highly active and durable Pt/MXene nanocatalysts for ORR in both alkaline and acidic conditions

Chuang Zhang et al.

JOURNAL OF ELECTROANALYTICAL CHEMISTRY (2020)

Review Chemistry, Multidisciplinary

3D MXene Architectures for Efficient Energy Storage and Conversion

Ke Li et al.

ADVANCED FUNCTIONAL MATERIALS (2020)

Article Chemistry, Physical

Boosting electrosynthesis of ammonia on surface-engineered MXene Ti3C2

Jiexiang Xia et al.

NANO ENERGY (2020)

Article Multidisciplinary Sciences

Two-Dimensional Titanium and Molybdenum Carbide MXenes as Electrocatalysts for CO2 Reduction

Albertus D. Handoko et al.

ISCIENCE (2020)

Article Chemistry, Multidisciplinary

Integrated Biomonitoring Sensing with Wearable Asymmetric Supercapacitors Based on Ti(3)C(2)MXene and 1T-Phase WS(2)Nanosheets

Jayraj V. Vaghasiya et al.

ADVANCED FUNCTIONAL MATERIALS (2020)

Article Chemistry, Multidisciplinary

Defect-Enhanced CO2Reduction Catalytic Performance in O-Terminated MXenes

Hetian Chen et al.

CHEMSUSCHEM (2020)

Article Nanoscience & Nanotechnology

MXene-Derived Defect-Rich TiO2@rGO as High-Rate Anodes for Full Na Ion Batteries and Capacitors

Yongzheng Fang et al.

NANO-MICRO LETTERS (2020)

Article Engineering, Environmental

Taking MXenes from the lab to commercial products

Christopher E. Shuck et al.

CHEMICAL ENGINEERING JOURNAL (2020)

Article Chemistry, Physical

The intrinsic hydrogen evolution performance of 2D molybdenum carbide

Yuqiao Wang et al.

JOURNAL OF MATERIALS CHEMISTRY A (2020)

Review Chemistry, Multidisciplinary

Emerging 2D MXenes for supercapacitors: status, challenges and prospects

Minmin Hu et al.

CHEMICAL SOCIETY REVIEWS (2020)

Review Chemistry, Physical

Recent advances in structural engineering of MXene electrocatalysts

Hao Wang et al.

JOURNAL OF MATERIALS CHEMISTRY A (2020)

Article Engineering, Environmental

3D assembly of MXene-stabilized spinel ZnMn2O4 for highly durable aqueous zinc-ion batteries

Minjie Shi et al.

CHEMICAL ENGINEERING JOURNAL (2020)

Review Materials Science, Multidisciplinary

Two-dimensional MXenes for lithium-sulfur batteries

Chuanfang (John) Zhang et al.

INFOMAT (2020)

Article Chemistry, Multidisciplinary

Bio-inspired transparent MXene electrodes for flexible UV photodetectors

Jiaxin Chen et al.

MATERIALS HORIZONS (2020)

Article Chemistry, Physical

Confined growth of pyridinic N-Mo2C sites on MXenes for hydrogen evolution

Hao Wang et al.

JOURNAL OF MATERIALS CHEMISTRY A (2020)

Article Chemistry, Multidisciplinary

Direct laser-patterned MXene-perovskite image sensor arrays for visible-near infrared photodetection

Aobo Ren et al.

MATERIALS HORIZONS (2020)

Article Chemistry, Physical

Excellent oxidation resistive MXene aqueous ink for micro-supercapacitor application

Chien-Wei Wu et al.

ENERGY STORAGE MATERIALS (2020)

Article Chemistry, Multidisciplinary

Oxygen-Functionalized Ultrathin Ti3C2Tx MXene for Enhanced Electrocatalytic Hydrogen Evolution

Yanan Jiang et al.

CHEMSUSCHEM (2019)

Review Materials Science, Multidisciplinary

Recent advances in MXenes: From fundamentals to applications

Mohammad Khazaei et al.

CURRENT OPINION IN SOLID STATE & MATERIALS SCIENCE (2019)

Review Materials Science, Multidisciplinary

Overview of the synthesis of MXenes and other ultrathin 2D transition metal carbides and nitrides

Louisiane Verger et al.

CURRENT OPINION IN SOLID STATE & MATERIALS SCIENCE (2019)

Article Chemistry, Multidisciplinary

MXene (Ti3C2) Vacancy-Confined Single-Atom Catalyst for Efficient Functionalization of CO2

Di Zhao et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2019)

Article Chemistry, Multidisciplinary

Element Replacement Approach by Reaction with Lewis Acidic Molten Salts to Synthesize Nanolaminated MAX Phases and MXenes

Mian Li et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2019)

Article Multidisciplinary Sciences

Control of MXenes' electronic properties through termination and intercalation

James L. Hart et al.

NATURE COMMUNICATIONS (2019)

Article Chemistry, Multidisciplinary

A Robust, Freestanding MXene-Sulfur Conductive Paper for Long-Lifetime Li-S Batteries

Huan Tang et al.

ADVANCED FUNCTIONAL MATERIALS (2019)

Article Chemistry, Multidisciplinary

Demonstration of a White Laser with V2C MXene-Based Quantum Dots

Dapeng Huang et al.

ADVANCED MATERIALS (2019)

Article Chemistry, Multidisciplinary

Universal Strategy for HF-Free Facile and Rapid Synthesis of Two-dimensional MXenes as Multifunctional Energy Materials

Sin-Yi Pang et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2019)

Article Chemistry, Multidisciplinary

3D Macroscopic Architectures from Self-Assembled MXene Hydrogels

Tongxin Shang et al.

ADVANCED FUNCTIONAL MATERIALS (2019)

Article Chemistry, Multidisciplinary

Conductive MXene Nanocomposite Organohydrogel for Flexible, Healable, Low-Temperature Tolerant Strain Sensors

Hui Liao et al.

ADVANCED FUNCTIONAL MATERIALS (2019)

Review Materials Science, Ceramics

Synthesis, structure, properties and applications of MXenes: Current status and perspectives

Rodrigo Mantovani Ronchi et al.

CERAMICS INTERNATIONAL (2019)

Article Multidisciplinary Sciences

Additive-free MXene inks and direct printing of micro-supercapacitors

Chuanfang (John) Zhang et al.

NATURE COMMUNICATIONS (2019)

Article Nanoscience & Nanotechnology

Catalytic Effect on CO2 Electroreduction by Hydroxyl-Terminated Two-Dimensional MXenes

Hetian Chen et al.

ACS APPLIED MATERIALS & INTERFACES (2019)

Article Chemistry, Multidisciplinary

Fast Gelation of Ti3C2Tx MXene Initiated by Metal Ions

Yaqian Deng et al.

ADVANCED MATERIALS (2019)

Article Chemistry, Multidisciplinary

MXene-Bonded Flexible Hard Carbon Film as Anode for Stable Na/K-Ion Storage

Ning Sun et al.

ADVANCED FUNCTIONAL MATERIALS (2019)

Article Chemistry, Multidisciplinary

Flexible 3D Porous MXene Foam for High-Performance Lithium-Ion Batteries

Qian Zhao et al.

Article Chemistry, Physical

Atomic Sn4+ Decorated into Vanadium Carbide MXene Interlayers for Superior Lithium Storage

Changda Wang et al.

ADVANCED ENERGY MATERIALS (2019)

Article Chemistry, Physical

MXene-Conducting Polymer Asymmetric Pseudocapacitors

Muhammad Boota et al.

ADVANCED ENERGY MATERIALS (2019)

Article Chemistry, Multidisciplinary

Edge Segregated Polymorphism in 2D Molybdenum Carbide

Xiaoxu Zhao et al.

ADVANCED MATERIALS (2019)

Article Chemistry, Physical

Fluorine-free Ti3C2Tx (T = O, OH) nanosheets (∼50-100 nm) for nitrogen fixation under ambient conditions

Tengfei Li et al.

JOURNAL OF MATERIALS CHEMISTRY A (2019)

Article Chemistry, Multidisciplinary

Interface engineering in the BNNS@Ti3C2 intercalation structure for enhanced electrocatalytic hydrogen evolution

Zizheng Ai et al.

NEW JOURNAL OF CHEMISTRY (2019)

Article Materials Science, Multidisciplinary

High-performance flexible sensing devices based on polyaniline/MXene nanocomposites

Lianjia Zhao et al.

INFOMAT (2019)

Article Chemistry, Physical

Integrating MXene nanosheets with cobalt-tipped carbon nanotubes for an efficient oxygen reduction reaction

Jianian Chen et al.

JOURNAL OF MATERIALS CHEMISTRY A (2019)

Article Chemistry, Physical

Electrospun MXene/carbon nanofibers as supercapacitor electrodes

Ariana S. Levitt et al.

JOURNAL OF MATERIALS CHEMISTRY A (2019)

Review Chemistry, Physical

Graphene and MXene-based transparent conductive electrodes and supercapacitors

Chuanfang (John) Zhang et al.

ENERGY STORAGE MATERIALS (2019)

Article Chemistry, Multidisciplinary

FeNC/MXene hybrid nanosheet as an efficient electrocatalyst for oxygen reduction reaction

Yangyang Wen et al.

RSC ADVANCES (2019)

Article Materials Science, Multidisciplinary

Bifunctional N-CoSe2/3D-MXene as Highly Efficient and Durable Cathode for Rechargeable Zn-Air Battery

Zhiping Zeng et al.

ACS MATERIALS LETTERS (2019)

Article Chemistry, Multidisciplinary

Ambient oxidation of Ti3C2 MXene initialized by atomic defects

Fanjie Xia et al.

NANOSCALE (2019)

Article Green & Sustainable Science & Technology

Microstructure and surface control of MXene films for water purification

Xiuqiang Xie et al.

NATURE SUSTAINABILITY (2019)

Article Chemistry, Multidisciplinary

3D Synergistical MXene/Reduced Graphene Oxide Aerogel for a Piezoresistive Sensor

Yanan Ma et al.

ACS NANO (2018)

Article Chemistry, Multidisciplinary

Highly Self-Healable 3D Microsupercapacitor with MXene-Graphene Composite Aerogel

Yang Yue et al.

ACS NANO (2018)

Article Chemistry, Multidisciplinary

Rational Design of MXene/1T-2H MoS2-C Nanohybrids for High-Performance Lithium-Sulfur Batteries

Yelong Zhang et al.

ADVANCED FUNCTIONAL MATERIALS (2018)

Article Chemistry, Multidisciplinary

Stamping of Flexible, Coplanar Micro-Supercapacitors Using MXene Inks

Chuanfang (John) Zhang et al.

ADVANCED FUNCTIONAL MATERIALS (2018)

Article Chemistry, Multidisciplinary

Atomic Cobalt Covalently Engineered Interlayers for Superior Lithium-Ion Storage

Changda Wang et al.

ADVANCED MATERIALS (2018)

Article Chemistry, Multidisciplinary

Fluorine-Free Synthesis of High-Purity Ti3C2Tx (T=OH, O) via Alkali Treatment

Tengfei Li et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2018)

Article Chemistry, Multidisciplinary

Selective Etching of Silicon from Ti3SiC2 (MAX) To Obtain 2D Titanium Carbide (MXene)

Mohamed Alhabeb et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2018)

Article Chemistry, Multidisciplinary

MoS2-on-MXene Heterostructures as Highly Reversible Anode Materials for Lithium-Ion Batteries

Chi Chen et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2018)

Article Engineering, Environmental

Heterostructural TiO2/Ti3C2Tx (MXene) for photocatalytic degradation of antiepileptic drug carbamazepine

Asif Shahzad et al.

CHEMICAL ENGINEERING JOURNAL (2018)

Article Chemistry, Physical

All Pseudocapacitive MXene-RuO2 Asymmetric Supercapacitors

Qiu Jiang et al.

ADVANCED ENERGY MATERIALS (2018)

Article Chemistry, Physical

CO2 abatement using two-dimensional MXene carbides

Angel Morales-Garcia et al.

JOURNAL OF MATERIALS CHEMISTRY A (2018)

Article Chemistry, Physical

Fe3O4@Ti3C2 MXene hybrids with ultrahigh volumetric capacity as an anode material for lithium-ion batteries

Yesheng Wang et al.

JOURNAL OF MATERIALS CHEMISTRY A (2018)

Article Chemistry, Multidisciplinary

MXene Aerogel Scaffolds for High-Rate Lithium Metal Anodes

Xinyue Zhang et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2018)

Article Chemistry, Physical

Establishing new scaling relations on two-dimensional MXenes for CO2 electroreduction

Albertus D. Handoko et al.

JOURNAL OF MATERIALS CHEMISTRY A (2018)

Article Chemistry, Physical

Vertically aligned MoS2 on Ti3C2 (MXene) as an improved HER catalyst

Nuwan H. Attanayake et al.

JOURNAL OF MATERIALS CHEMISTRY A (2018)

Review Chemistry, Multidisciplinary

Electronic and Optical Properties of 2D Transition Metal Carbides and Nitrides (MXenes)

Kanit Hantanasirisakul et al.

ADVANCED MATERIALS (2018)

Article Chemistry, Multidisciplinary

Self-Assembly of Large-Area 2D Polycrystalline Transition Metal Carbides for Hydrogen Electrocatalysis

Xining Zang et al.

ADVANCED MATERIALS (2018)

Article Chemistry, Multidisciplinary

Fluoride-Free Synthesis of Two-Dimensional Titanium Carbide (MXene) Using A Binary Aqueous System

Sheng Yang et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2018)

Article Chemistry, Physical

The Synthesis Process and Thermal Stability of V2C MXene

Meng Wu et al.

MATERIALS (2018)

Article Chemistry, Physical

Ti3C2Tx ( T 1/4 F, OH) MXene nanosheets: conductive 2D catalysts for ambient electrohydrogenation of N2 to NH3+

Jinxiu Zhao et al.

JOURNAL OF MATERIALS CHEMISTRY A (2018)

Article Chemistry, Multidisciplinary

Theranostic 2D Tantalum Carbide (MXene)

Han Lin et al.

ADVANCED MATERIALS (2018)

Article Chemistry, Physical

Porous Cryo-Dried MXene for Efficient Capacitive Deionization

Weizhai Bao et al.

Article Chemistry, Physical

2D MXenes: A New Family of Promising Catalysts for the Hydrogen Evolution Reaction

Guoping Gao et al.

ACS CATALYSIS (2017)

Article Materials Science, Multidisciplinary

Two-dimensional MXene Ti3C2 produced by exfoliation of Ti3AlC2

Aihu Feng et al.

MATERIALS & DESIGN (2017)

Article Chemistry, Multidisciplinary

Direct Synthesis of Large-Area 2D Mo2C on In Situ Grown Graphene

Dechao Geng et al.

ADVANCED MATERIALS (2017)

Article Materials Science, Ceramics

Fabrication and thermal stability of NH4HF2-etched Ti3C2 MXene

Aihu Feng et al.

CERAMICS INTERNATIONAL (2017)

Article Nanoscience & Nanotechnology

Anodized Ti3SiC2 As an Anode Material for Li-ion Microbatteries

Alexander T. Tesfaye et al.

ACS APPLIED MATERIALS & INTERFACES (2016)

Article Chemistry, Multidisciplinary

Synthesis and Characterization of 2D Molybdenum Carbide (MXene)

Joseph Halim et al.

ADVANCED FUNCTIONAL MATERIALS (2016)

Article Chemistry, Multidisciplinary

Synthesis of two-dimensional titanium nitride Ti4N3 (MXene)

Patrick Urbankowski et al.

NANOSCALE (2016)

Review Nanoscience & Nanotechnology

Hydrogen carriers

Teng He et al.

NATURE REVIEWS MATERIALS (2016)

Review Chemistry, Multidisciplinary

Design of electrocatalysts for oxygen- and hydrogen-involving energy conversion reactions

Yan Jiao et al.

CHEMICAL SOCIETY REVIEWS (2015)

Article Chemistry, Physical

Large-area high-quality 2D ultrathin Mo2C superconducting crystals

Chuan Xu et al.

NATURE MATERIALS (2015)

Article Chemistry, Multidisciplinary

25th Anniversary Article: MXenes: A New Family of Two-Dimensional Materials

Michael Naguib et al.

ADVANCED MATERIALS (2014)

Article Chemistry, Multidisciplinary

Synthesis and characterization of two-dimensional Nb4C3 (MXene)

M. Ghidiu et al.

CHEMICAL COMMUNICATIONS (2014)

Article Chemistry, Physical

Transparent Conductive Two-Dimensional Titanium Carbide Epitaxial Thin Films

Joseph Halim et al.

CHEMISTRY OF MATERIALS (2014)

Article Multidisciplinary Sciences

Conductive two-dimensional titanium carbide 'clay' with high volumetric capacitance

Michael Ghidiu et al.

NATURE (2014)

Article Chemistry, Multidisciplinary

New Two-Dimensional Niobium and Vanadium Carbides as Promising Materials for Li-Ion Batteries

Michael Naguib et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2013)

Article Chemistry, Multidisciplinary

Two-Dimensional Transition Metal Carbides

Michael Naguib et al.

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