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Review
Chemistry, Applied
Lu Li et al.
Summary: This review summarizes the construction strategies of high valence metals as dopants or heterostructures with Fe/Co/Ni-based catalysts and highlights their induced effects, including accelerating surface reconstruction, forming amorphous structure, generating vacancies/defects, and acting as stabilizers. The impacts of high valence metals on OER performance are elucidated based on different elements, and the correlations between construction strategies, induced effects, catalytic activity, and OER reaction pathways are discussed. The remaining challenges for further enhancements of OER performance induced by high valence metals are presented.
JOURNAL OF ENERGY CHEMISTRY
(2023)
Article
Chemistry, Multidisciplinary
Yingming Wang et al.
Summary: Se-vacancy with charge polarization is created in the NiSe2 structure, which enhances the stability, decreases the electron transfer kinetics, and optimizes the free adsorption energy of reaction intermediate. The prepared NiSe2-V-Se exhibits high selectivity in alkaline media and excellent stability over a wide potential range.
Article
Chemistry, Physical
Qing Zhang et al.
Summary: A metal-organic frameworks hybrid-assisted strategy is reported for synthesizing highly efficient OER electrocatalysts. The developed composite exhibits remarkable performance in terms of low overpotential and high current density for OER and water splitting.
Article
Chemistry, Multidisciplinary
Yunjie Zhou et al.
Summary: NH2-modified carbon dots (NCDs) are shown to enhance the selectivity and efficiency of Cu/CuO catalyst for CO2 conversion into C2H4 by regulating electron transfer behavior. NCDs increase adsorption capacity of catalysts to CO2 and promote C-C coupling reactions, providing a new approach for improving electrocatalytic reduction of CO2 to multi-carbon products.
ADVANCED FUNCTIONAL MATERIALS
(2022)
Review
Chemistry, Multidisciplinary
Ziliang Chen et al.
Summary: This article discusses five classes of nontransition metal species that have been successfully utilized in water electrolysis, with a focus on the relationship between electronic structure and catalytic activity, as well as phase stability. The article also addresses fundamental aspects of electrocatalysts for water electrolysis and provides a perspective on future research in this field.
ADVANCED MATERIALS
(2022)
Review
Nanoscience & Nanotechnology
Luka Dordevic et al.
Summary: This review focuses on the importance of photoluminescent carbon nanoparticles, or carbon dots, for biomedical and energy applications. These nanomaterials exhibit tunable light emission, dispersibility, and low toxicity, making them highly attractive for various purposes. The review discusses how chemical tools can impact the properties of carbon dots and presents synthetic strategies for functionalizing these nanomaterials. Examples are provided to illustrate the correlation between structure, composition, and function, offering insights into the future development of carbon dots.
NATURE NANOTECHNOLOGY
(2022)
Review
Chemistry, Physical
Yunpu Zhai et al.
Summary: Research on the synthesis and applications of 0D carbon dots (CDs) has flourished in recent years, showcasing their diverse chemical, structural, and optical characteristics. CDs have shown great promise in electrocatalysis and electrical energy storage due to their superior electrochemical activity and ease of modification. This review provides an overview of the latest groundbreaking research on the utilization of CDs in electrochemical processes and energy storage, highlighting both challenges and opportunities for future advancements in this field.
ADVANCED ENERGY MATERIALS
(2022)
Review
Chemistry, Multidisciplinary
Mingquan Yu et al.
Summary: Water electrolysis for green hydrogen production is crucial for a circular economy, but supply of sustainable electricity and availability of OER electrocatalysts are major bottlenecks. Co-, Ni-, and Fe-based catalysts are considered potential candidates to replace noble metals due to their versatility, abundance, and tunable electron configurations.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2022)
Article
Chemistry, Multidisciplinary
Ziliang Chen et al.
Summary: This study employs an entropy-enhancement strategy to enable low-cost perovskite oxide to effectively catalyze the electrosynthesis of H2O2. The optimized Pb(NiWMnNbZrTi)(1/6)O-3 ceramic exhibits commendable ORR activity in alkaline media, displaying high selectivity for H2O2 and exceptional degradation property for organic dyes through the Fenton process.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2022)
Article
Chemistry, Physical
Hongyuan Yang et al.
Summary: This study developed a novel ternary intermetallic CaFe6Ge6 precatalyst, which can transform into a porous ultrathin Ca-Fe-O heteroshell structure during alkaline OER. The material exhibits a large electrochemical surface area and more exposed active Fe sites, benefiting from synergistic effects. Additionally, the presence of Ca in Ca-Fe-O enhances the transport and activation of hydroxyls and related OER reaction intermediates.
Article
Optics
Chunyun Su et al.
Summary: In this paper, ZIF-67 nanomaterials were prepared through the liquid-phase exfoliation method, and their nonlinear saturable absorption property at 3μm was investigated. The experimental results showed that the material exhibited excellent performance as a saturable absorber in the passively Q-switched laser.
OPTICS AND LASER TECHNOLOGY
(2022)
Article
Chemistry, Multidisciplinary
Jie Wu et al.
Summary: By using a composition engineering strategy, the intrinsic activity of amorphous nickel boride nanoarchitectures can be flexibly regulated, leading to efficient 2e(-) oxygen reduction reaction. The amorphous NiB2 exhibits a 2e(-) selectivity of over 93% in a wide potential range and negligible activity decay over extended periods. Moreover, assembling NiB2 in gas diffusion electrode enables an ultrahigh H2O2 production rate.
ADVANCED MATERIALS
(2022)
Article
Materials Science, Multidisciplinary
Tae Gyu Yun et al.
Summary: This paper discusses the electrochemical electrolysis with aqueous electrolyte, focusing on the oxygen evolution reaction at the anode side. It identifies four significant origins affecting the stability of oxide-based OER catalysts and emphasizes the importance of research in this area.
Article
Chemistry, Physical
Chao Jing et al.
Summary: Understanding the catalysis mechanism of the sluggish oxygen evolution reaction (OER) in water splitting is crucial for the development of clean hydrogen energy. In this study, the dynamic crystal and electronic structure reconstruction of nano-sheet cobalt hydroxide was investigated using in situ Raman spectroscopy and density functional theory simulation. The correlation between OER activity and structural reconstruction thermodynamics was demonstrated, highlighting its importance in the fabrication of high-activity catalysts.
Review
Chemistry, Physical
J. Niklas Hausmann et al.
Summary: The extensive investigation of 3d transition metal chalcogenide precatalysts revealed their transformation into (oxyhydr)oxides during oxygen evolution reaction (OER) and possibly hydrogen evolution reaction (HER) conditions. The review discusses the suitability of chalcogenides as sacrificial catalysts and their abundance, low cost, and non-toxicity. The role of chalcogenates in the reconstruction/transformation process and their effect on OER activity and *OH/*OOH scaling relations is also examined.
CURRENT OPINION IN ELECTROCHEMISTRY
(2022)
Review
Chemistry, Multidisciplinary
Ziliang Chen et al.
Summary: Carbon dots (CDs) are a new type of carbon-based functional material that have attracted much interest due to their tunable structure and composition, as well as their rich photoelectrochemical properties. They show great potential in various applications such as biology, catalysis, sensors, and energy storage. However, the understanding of CDs is still limited due to their inherent complexity, which requires expertise from organic chemistry, materials science, and solid state physics. Discovering appealing properties, elucidating fundamental factors that affect the properties, and proposing effective engineering strategies are highly pursued by researchers. This Account provides an introduction to the features and properties of CDs, as well as discussing analysis techniques and regulation strategies for tailored applications. The challenges and future directions in CD research are also discussed.
ACCOUNTS OF CHEMICAL RESEARCH
(2022)
Article
Chemistry, Multidisciplinary
J. Niklas Hausmann et al.
Summary: In this study, a layered cobalt borophosphate precursor is reconstructed into two different cobalt oxyhydroxide phases, and the electrocatalytic properties of various cobalt oxyhydroxides and phosphate derivatives are compared. The choice of buffer, the number of edge sites not inhibited by buffers, and the morphology are identified as important factors affecting the oxygen evolution reaction activity.
ADVANCED MATERIALS
(2022)
Article
Construction & Building Technology
Amin Al-Fakih et al.
Summary: This study investigates the feasibility and compatibility of using a small amount of ZIF-67 as an additive in cement-based materials. The results show that adding 0.5 wt.% of ZIF-67 significantly improves the compressive and direct tensile strengths of the cement-based materials, increases the dry density, and decreases water absorption and total porosity.
CONSTRUCTION AND BUILDING MATERIALS
(2022)
Review
Chemistry, Physical
Qingqing Xu et al.
Summary: Carbon dots have stable and adjustable photoluminescence properties, good biocompatibility, and abundant surface defects. Composites with inorganic nanomaterials can expand the application scope, improve performance, and enhance versatility. They have been widely used in sensing, catalysis, biology, and optoelectronics.
JOURNAL OF MATERIALS CHEMISTRY A
(2022)
Review
Green & Sustainable Science & Technology
Wei Shen et al.
Summary: The latest progress on in situ methods for characterizing the surface reconstruction of transition metal-based OER electrocatalysts is summarized, and the correlation between structure, surface reconstruction, and intrinsic activity is discussed.
ADVANCED ENERGY AND SUSTAINABILITY RESEARCH
(2022)
Review
Materials Science, Multidisciplinary
Boyang Wang et al.
Summary: This review discusses the preparation and optical properties of carbon dots (CDs), which are an important type of nanomaterial with wide applications in optoelectronic devices and biomedicine. The review explores the fluorescence mechanism and preparation methods of CDs, and highlights the adjustment of CD afterglow emission. Additionally, the review discusses the important optical applications of CDs and presents future research directions and potential challenges.
Article
Chemistry, Multidisciplinary
Prashanth W. Menezes et al.
Summary: Efforts in developing artificial manganese-based catalysts for the oxygen evolution reaction have been hindered by unsatisfactory catalytic performance and poor stability. However, a new class of materials, helical manganese borophosphates, has shown uniquely high catalytic activity and durability in alkaline media, achieving the highest efficiency reported to date. This is attributed to their unexpected surface transformation into an amorphous MnOx phase with birnessite-like short-range order and surface-stabilized Mn-III sites under extended electrical bias, as demonstrated by various spectroscopy methods.
ADVANCED MATERIALS
(2021)
Review
Chemistry, Multidisciplinary
Xue Feng Lu et al.
Summary: Metal-organic frameworks (MOFs) have been recognized as versatile precursors or templates for preparing high-performance electrodes or catalysts in electrochemical energy storage and conversion (EESC), due to their high surface area, tunable pore sizes, and diverse chemical compositions and physical structures. Research focuses on the composition/structure/performance relationship and practical applications in various EESC systems, providing insights into the future development of MOF-derived functional materials.
Article
Chemistry, Multidisciplinary
Huijie Zhou et al.
Summary: By growing NiCoFeLDH on the surface of ZIF-67, a multi-component hierarchical structure was obtained, significantly improving the capacitance performance of MOFs. Controlling the type and valence state of doped metals, as well as the reaction time, allows for effective control of the morphology transformation of MOF composites. This scheme is crucial for the design of MOF-based materials used in supercapacitor devices.
CHINESE CHEMICAL LETTERS
(2021)
Article
Multidisciplinary Sciences
Weiren Cheng et al.
Summary: Insight into the structural evolution of oxygen electrocatalysts, particularly the Br-Ni-MOF, during the OER process reveals significant performance improvements, with the post-formed gamma-NiOOH analog showing high OER performance due to strong electronic coupling between Br and Ni atoms.
Review
Chemistry, Multidisciplinary
Hui Ding et al.
Summary: Electrochemical water splitting for hydrogen generation is a promising pathway for renewable energy conversion. Developing cost-effective and highly efficient electrocatalysts to drive sluggish oxygen-evolution reaction (OER) at the anode side is crucial. The investigation of structural transformation during OER contributes to understanding accurate catalytic mechanisms and benefiting the rational design of catalytic materials.
Review
Chemistry, Inorganic & Nuclear
Boyang Wang et al.
Summary: Precise nanomedicine has been extensively explored for effective cancer imaging and treatment, with carbon dots being a new and highly interesting member of carbon-based nanomaterials in the field of nanomedicine. This review provides concise insights into the recent development of CDs in nanomedicine research, covering preparation, functionalization processes, and key applications.
COORDINATION CHEMISTRY REVIEWS
(2021)
Review
Chemistry, Multidisciplinary
Dong Liu et al.
Summary: Perovskite oxides are studied as electrocatalysts for oxygen evolution reactions due to their low cost, customizable structure, high stability, and good catalytic activity. Two main challenges for efficient OER performance are limited active sites and low electrical conductivity, which can be overcome by strategies such as composition engineering, crystal facet control, morphology modulation, defect engineering, and hybridization. The review comprehensively summarizes recent developments in enhancing catalytic activities of perovskite oxide-based electrocatalysts for practical applications in OER.
Article
Chemistry, Multidisciplinary
Hongyuan Yang et al.
Summary: A unique dual metal oxides lattice coupling strategy was proposed to fabricate NiO/CeO2 nanowires arrays, which exhibited excellent electrochemical performance as a precatalyst for oxygen evolution reaction (OER), showing low overpotential and impressive cycle durability. The atomic coupling of CeO2 was found to significantly promote the generation of oxygen vacancies, expedite the phase transformation of NiO, and effectively inhibit the aggregation of NiOOH nanodomains, optimizing the reaction free energy towards oxygen-containing intermediates.
Review
Chemistry, Physical
Hongyuan Yang et al.
Summary: Over the years, significant progress has been made in enhancing the efficiency of water splitting through the development of economic electrocatalysts with improved conductivity, active site accessibility, and intrinsic activity. However, the challenge remains to create earth-abundant catalysts that can meet the demands of practical water electrolysis. Self-supported electrocatalysts are considered the most suitable contenders for large-scale hydrogen generation due to their features like increased active species loading, rapid charge and mass transfer, strong affinity between catalytic components and substrates, easily controlled wettability, and enhanced bifunctional performance.
ADVANCED ENERGY MATERIALS
(2021)
Review
Chemistry, Multidisciplinary
Zachary P. Ifkovits et al.
Summary: Decoupled water splitting technology separates the spatial and temporal coupling of electrolysis reactions through the coupling of intermediate redox mediators, offering flexibility, modularity, and coupling to renewable energy sources as advantages. However, considerations of trade-offs and opportunities for future discovery in practical applications are also worth noting.
ENERGY & ENVIRONMENTAL SCIENCE
(2021)
Review
Chemistry, Multidisciplinary
Likun Gao et al.
Summary: Recent advancements in the development of cost-effective and high-efficiency transition metal-based electrocatalysts have led to a better understanding of the dynamic reconstruction of surface structures during electrocatalytic water oxidation, especially the anodic oxygen evolution reaction (OER). Through operando and in situ techniques, it has been found that electrocatalysts undergo surface reconstruction to form actual active species during OER in alkaline solution. By exploring issues such as initiators for surface reconstruction and establishing relationships between structure, composition, and electrocatalytic activity, progress has been made in the rational manipulation of in situ catalyst surface reconstruction for the development of high-efficiency electrocatalysts.
CHEMICAL SOCIETY REVIEWS
(2021)
Article
Chemistry, Multidisciplinary
Carsten Walter et al.
Summary: Intermetallic compounds show attractive electronic, physical, and chemical properties, making them ideal materials for electrocatalytic applications. However, their widespread use is often hindered by complex and energy-intensive processes, leading to larger particles and decreased surface areas. Alternative synthetic strategies are being explored to achieve high performance and stable electrode materials.
Review
Chemistry, Multidisciplinary
Songsong Li et al.
Summary: Transition metal-based bimetallic MOFs show superior performance and stability in the oxygen evolution reaction, offering potential for enhancing efficiency in clean-energy production and energy storage. They can also serve as precursors for obtaining high surface area carbon materials or metal compounds, thereby improving catalytic activity.
ENERGY & ENVIRONMENTAL SCIENCE
(2021)
Review
Chemistry, Multidisciplinary
N. Clament Sagaya Selvam et al.
Summary: This review discusses recent progress on reconstructed OER electrocatalysts and future opportunities. Surface reconstruction engineering is highlighted as a tool to significantly improve catalytic performance. Emphasis is placed on understanding the correlation between surface dynamics and activities, with a prospect for clean future energy communities.
ADVANCED FUNCTIONAL MATERIALS
(2021)
Review
Chemistry, Multidisciplinary
Qi Wang et al.
Review
Chemistry, Multidisciplinary
Namasivayam Dhenadhayalan et al.
Review
Chemistry, Multidisciplinary
Zhi-Peng Wu et al.
ADVANCED FUNCTIONAL MATERIALS
(2020)
Review
Materials Science, Multidisciplinary
Ziliang Chen et al.
PROGRESS IN MATERIALS SCIENCE
(2020)
Article
Chemistry, Physical
Ziliang Chen et al.
Article
Chemistry, Multidisciplinary
Qi Hu et al.
Article
Chemistry, Multidisciplinary
Xiong Liu et al.
ADVANCED MATERIALS
(2020)
Article
Chemistry, Physical
Yanbo Zhou et al.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2020)
Article
Energy & Fuels
Shenlong Zhao et al.
Article
Chemistry, Multidisciplinary
Junjun Liu et al.
ACS CENTRAL SCIENCE
(2020)
Article
Chemistry, Multidisciplinary
Jan Niklas Hausmann et al.
ENERGY & ENVIRONMENTAL SCIENCE
(2020)
Review
Chemistry, Multidisciplinary
Yaoyao Li et al.
Article
Chemistry, Physical
Zehua Zou et al.
Review
Chemistry, Multidisciplinary
Chunlei Xia et al.
Article
Chemistry, Physical
Xiong Liu et al.
ACS ENERGY LETTERS
(2019)
Review
Chemistry, Multidisciplinary
Chao Hu et al.
CHEMICAL SOCIETY REVIEWS
(2019)
Review
Chemistry, Multidisciplinary
Bowen Yao et al.
TRENDS IN CHEMISTRY
(2019)
Article
Multidisciplinary Sciences
Gang Ou et al.
NATURE COMMUNICATIONS
(2018)
Review
Chemistry, Physical
Sengeni Anantharaj et al.
Review
Chemistry, Multidisciplinary
JeongYong Lee et al.
CHEMICAL SOCIETY REVIEWS
(2009)
