Coordination Environment-Mediated Different Heteroatomic Configuration from Doping Strategy for Enhancing Microwave Absorption

Article Chemistry, Multidisciplinary

Large Annular Dipoles Bounded between Single-Atom Co and Co Cluster for Clarifying Electromagnetic Wave Absorbing Mechanism

Hu Liu et al.

Summary: By controlling the concentration of copper atoms, the dipole polarization and relaxation of the copper atoms can be adjusted, thus achieving optimized dipole moments and excellent absorption performance.

ADVANCED FUNCTIONAL MATERIALS (2023)

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Article Chemistry, Multidisciplinary

Metal Ions Confined in Periodic Pores of MOFs to Embed Single-Metal Atoms within Hierarchically Porous Carbon Nanoflowers for High-Performance Electromagnetic Wave Absorption

Xinci Zhang et al.

Summary: This study achieves the uniform dispersion of Ni-single metal atoms (Ni-SAs) within hierarchically porous carbon nanoflowers (Ni-SA/HPCF) through spatial confinement of Ni ions in metal-organic frameworks (MOFs) and subsequent carbonization process. The Ni-SA/HPCF exhibits unexpected electromagnetic wave (EMW) absorption properties with high surface area and abundant mesopores. The uniformly dispersed Ni-SAs break local symmetry of the electronic structure, enhance electrical conductivity, and the unique 3D hierarchical porous morphology improves the impedance matching property, synergistically improving the EMW absorption performance of the Ni-SA/HPCF.

ADVANCED FUNCTIONAL MATERIALS (2023)

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Article Chemistry, Multidisciplinary

Exploring the Ni 3d Orbital Unpaired Electrons Induced Polarization Loss Based on Ni Single-Atoms Model Absorber

Hongsheng Liang et al.

Summary: The study shows that the morphology, composition, electrical conductivity, defects, and electronic interactions of the material can be well tailored by modulating Ni species engineering. Atomically dispersed individual Ni atoms contribute to enhanced electromagnetic wave absorption, and the study reveals the evolution of microscopic electromagnetic loss mechanism, providing important insights for absorber design.

ADVANCED FUNCTIONAL MATERIALS (2023)

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Article Chemistry, Physical

Order effect of nitrogen and phosphorus co-doping carbon nanofibers for enhancing electromagnetic wave absorption

Shaoyao Tian et al.

Summary: In this work, N, P co-doped carbon nanofibers (CNF-NP and CNF-PN) were synthesized and the effect of doping orders on microwave absorption (MA) was investigated. It was found that graphitic-N produced from the first N-doping suppressed the formation of C3PO, while for CNF-PN large amounts of C3PO were easily formed when P atoms were first doped. The ratios of different doping sites obviously influenced the MA performance, with CNF-PN exhibiting better MA properties due to appropriate ratios of C-OPO3 and pyrrolic-N/pyridinic-N.

CARBON (2023)

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Article Engineering, Environmental

Preparation and Electromagnetic-wave-absorption properties of N, O-doped PMMA&DVB&AN carbon microspheres with porous hollow structures

Da Wang et al.

Summary: This study used a soap-free lotion polymerization method and a seed polymerization method to prepare three-layer composite microspheres with PMMA as the seed and DVB and AN as the coating monomers. After carbonization at a high temperature of 700 degrees Celsius, PMMA exhibited excellent electromagnetic wave absorption performance.

CHEMICAL ENGINEERING JOURNAL (2023)

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Article Engineering, Environmental

A synergistic route of heterointerface and metal single-atom configurations towards enhancing microwave absorption

Zhihao Sun et al.

Summary: Derivatized multi-void composite microplates (CoNXC) with high-efficient electromagnetic wave absorption (EMA) were successfully fabricated using a two-step pyrolysis process assisted by molten dual-salt-mediated template. N-doping modulated the bonding configurations of Co/N atoms, enhancing dielectric loss capacity. CoNXC exhibited high EMA performance even with high filler loading and outperformed most reported derivatized carbon-based composites.

CHEMICAL ENGINEERING JOURNAL (2023)

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Article Chemistry, Physical

A crosslinked coral-like Co@CoO/RGO nanohybrid structure with good electromagnetic wave absorption performance

Yuan Shu et al.

JOURNAL OF COLLOID AND INTERFACE SCIENCE (2023)

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Article Chemistry, Physical

Designing flower-like MOFs-derived N-doped carbon nanotubes encapsulated magnetic NiCo composites with multi-heterointerfaces for efficient electromagnetic wave absorption

Wenxuan Hou et al.

Summary: To achieve exceptional electromagnetic wave absorption properties, it is crucial to design the microstructure and modify the components of composites. Metal-organic frameworks (MOFs), with their unique metal-organic crystalline coordination, tunable morphology, high surface area, and well-defined pores, have been recognized as promising precursors for electromagnetic wave absorption materials. However, the inadequate contact abilities between adjacent MOFs nanoparticles result in poor electromagnetic wave dissipation capacity at low filler loading, posing a significant challenge in breaking the size effect of nanoparticles.

JOURNAL OF COLLOID AND INTERFACE SCIENCE (2023)

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Article Chemistry, Physical

High-conductivity nickel shells encapsulated wood-derived porous carbon for improved electromagnetic interference shielding

Jiachang Ruan et al.

Summary: A core@shell structure nickel encapsulated wood-derived porous carbon material was prepared to improve the electromagnetic interference (EMI) shielding performance. The material showed a much higher shielding effectiveness (SE) compared to other reported materials. Experimental and numerical simulation results showed that the surface and interface electric field distributions played a vital role in enhancing the EMI shielding performance.

CARBON (2023)

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Article Chemistry, Multidisciplinary

Enhancing the Low/Middle-Frequency Electromagnetic Wave Absorption of Metal Sulfides through F- Regulation Engineering

Jiaolong Liu et al.

Summary: This study demonstrates a new fluoride ion regulation strategy for achieving broad-spectrum low/mid-frequency electromagnetic wave attenuation by synergistically manipulating multiple factors. The concentration and introduction method of fluoride ions were found to be significant in improving electromagnetic wave absorption performance.

ADVANCED FUNCTIONAL MATERIALS (2022)

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Review Chemistry, Multidisciplinary

Dimensional Design and Core-Shell Engineering of Nanomaterials for Electromagnetic Wave Absorption

Zhengchen Wu et al.

Summary: Electromagnetic wave absorption materials with core-shell structures can enhance performance through interfacial polarization, conduction networks, magnetic coupling, and magnetic-dielectric synergy. This review outlines the recent advances in low-dimensional core-shell electromagnetic wave absorption materials and discusses notable examples. Key information regarding dimensional design, structural engineering, performance, and structure-function relationship is comprehensively summarized.

ADVANCED MATERIALS (2022)

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Article Engineering, Environmental

Absorption-dominant, low reflection EMI shielding materials with integrated metal mesh/TPU/CIP composite

Seung Han Ryu et al.

Summary: The article introduces a metal-mesh-supported polymer composite with superior electromagnetic interference shielding effectiveness, discusses its material composition, performance, and application areas.

CHEMICAL ENGINEERING JOURNAL (2022)

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Article Chemistry, Multidisciplinary

Core@shell MOFs derived Co2P/CoP@NPGC as a highly-active bifunctional electrocatalyst for ORR/OER

Weijia Gong et al.

Summary: Co2P/CoP hybrid nanoparticles embedded on the surface of core-shell metal-organic frameworks derived N, P co-doped graphitized carbon were prepared via direct pyrolysis of P-containing MOF precursors. The resulting material showed excellent activity for oxygen reduction and oxygen evolution reactions, and the introduction of N and P further enhanced its activity. This study provides a new perspective for constructing competitive core-shell MOFs-derived electrocatalysts.

JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY (2022)

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Article Materials Science, Multidisciplinary

S-doped CoP nanoneedles assembled urchin-like structure for efficient water oxidation

Linzheng Ma et al.

Summary: In this study, sulfur-doped CoP nanoneedles assembled into a urchin-like structure on carbon cloth are shown to have improved efficiency and performance for the oxygen evolution reaction. This unique structure provides highly exposed active sites and short charge transfer paths, leading to advanced OER activity in alkaline solution, potentially setting a blueprint for efficient catalysts for water splitting.

MATERIALS LETTERS (2022)

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Article Nanoscience & Nanotechnology

Identification of the Intrinsic Dielectric Properties of Metal Single Atoms for Electromagnetic Wave Absorption

Xinci Zhang et al.

Summary: This study reports a method to synthesize three-dimensional honeycomb-like M-NxC materials with excellent electromagnetic wave absorption properties. Theoretical calculations explain the mechanism of dielectric loss, providing insights for the design of efficient electromagnetic wave absorbing materials.

NANO-MICRO LETTERS (2022)

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Article Chemistry, Physical

Electromagnetic wave shielding flexible films with near-zero reflection in the 5G frequency band

Seung Han Ryu et al.

Summary: A novel EMI shielding flexible film with near-zero reflection has been proposed in this study. By integrating a magnetic absorbing composite layer and a tailored conductive grid, the film achieves low reflection and high shielding effectiveness. This film provides an important advancement toward the commercialization of EMI shielding materials for 5G communication applications.

JOURNAL OF MATERIALS CHEMISTRY A (2022)

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Article Nanoscience & Nanotechnology

Enhanced electromagnetic wave absorption of engineered epoxy nanocomposites with the assistance of polyaniline fillers

Jiang Guo et al.

Summary: In this study, polyaniline (PANI)/epoxy composites were reinforced with PANI-M to enhance their electromagnetic wave absorption performance and mechanical properties. The synergistic effect of PANI fillers with different geometries led to a significant improvement in reflection loss at high frequencies, as well as the mechanical properties. Characterization of the PANI fillers prepared by different methods revealed their structural and morphological properties, providing guidance for the preparation of advanced engineered epoxy nanocomposites.

ADVANCED COMPOSITES AND HYBRID MATERIALS (2022)

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Article Chemistry, Multidisciplinary

Sub-Nanometer Fe clusters confined in Carbon Nanocages for Boosting Dielectric Polarization and Broadband Electromagnetic Wave Absorption

Tong Gao et al.

Summary: This study demonstrates the enhanced dielectric loss capacity through dielectric polarization in sub-nanometer hetero-substitutions, providing insights for the design of high-performance electromagnetic absorption materials.

ADVANCED FUNCTIONAL MATERIALS (2022)

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Article Chemistry, Multidisciplinary

Tailoring Self-Polarization of Bimetallic Organic Frameworks with Multiple Polar Units Toward High-Performance Consecutive Multi-Band Electromagnetic Wave Absorption at Gigahertz

Junye Cheng et al.

Summary: This study demonstrates the use of bi-metallic organic frameworks as electromagnetic wave absorbers, achieving broad frequency band and strong absorption capabilities. The rational selection of materials and structure manipulation enhance the performance of electromagnetic wave absorption. This work opens up new possibilities for the development of broadband and strong electromagnetic wave absorbers.

ADVANCED FUNCTIONAL MATERIALS (2022)

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Article Chemistry, Multidisciplinary

Emerging Materials and Designs for Low- and Multi-Band Electromagnetic Wave Absorbers: The Search for Dielectric and Magnetic Synergy?

Junye Cheng et al.

Summary: This article reviews the achievements of low- and multi-frequency EMW absorbers, analyzes design strategies, and elaborates on the corresponding electromagnetic response mechanisms. It is of great significance for the new trends and challenges of EMW absorbers.

ADVANCED FUNCTIONAL MATERIALS (2022)

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Article Engineering, Environmental

Vacancy and architecture engineering of porous FeP nanorods for achieving superior Li plus storage

Zhaoqian Yan et al.

Summary: Iron phosphide (FeP) as an anode material for lithium ion batteries has high theoretical capacity and safer voltage platform, but suffers from capacity fading and unsatisfied rate capability. A novel approach using MOF-derived porous FeP nanorods modified by abundant P vacancies (V-FeP) greatly improved the electrochemical performance by enhancing electrical conductivity, providing more active sites, and relieving volume variations. Transmission electron microscopy, X-ray absorption fine structure, electron paramagnetic resonance were used to characterize the V-FeP nanorods.

CHEMICAL ENGINEERING JOURNAL (2022)

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Article Chemistry, Multidisciplinary

Anion-Doping-Induced Vacancy Engineering of Cobalt Sulfoselenide for Boosting Electromagnetic Wave Absorption

Jiaolong Liu et al.

Summary: This study demonstrates the modulation of the electronic structure of transition metal chalcogens through vacancy engineering and establishes a clear correlation between vacancy concentrations/various anion vacancies and electromagnetic wave dissipation ability. By selectively oxidizing and sulfuring/selenizing a Co-based precursor, the vacancy level is improved and a broad bandwidth of S-doped CoSe2 material is achieved, showing 100% coverage for X- and Ku-bands at 2.42 mm.

ADVANCED FUNCTIONAL MATERIALS (2022)

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Article Materials Science, Multidisciplinary

Porous N-doped Ni@SiO2/graphene network: Three-dimensional hierarchical architecture for strong and broad electromagnetic wave absorption

Rui Guo et al.

Summary: In this study, a rational design and synthesis of N-doped Ni@SiO2/graphene composite, consisting of a 3D interconnected porous graphene network and Ni@SiO2 core-shell architecture, was reported. This lightweight and broadband material exhibited highly efficient electromagnetic wave absorption. By optimizing the structure and composition of the composite, the material achieved strong absorption in a specific frequency range.

JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY (2022)

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Article Chemistry, Physical

Engineering hierarchical heterostructure material based on metal-organic frameworks and cotton fiber for high-efficient microwave absorber

Yan Guo et al.

Summary: Hierarchical heterostructure WS2/CoS2@carbonized cotton fiber was fabricated as an excellent metal-organic frameworks based electromagnetic wave absorber. The hierarchical heterostructure and multi-component of WS2/CoS2@CCF result in improved impedance matching and enhanced electromagnetic wave attenuation performance.

NANO RESEARCH (2022)

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Article Nanoscience & Nanotechnology

Ultrahigh Density of Atomic CoFe-Electron Synergy in Noncontinuous Carbon Matrix for Highly Efficient Magnetic Wave Adsorption

Wenhuan Huang et al.

Summary: In this study, a high-temperature explosion strategy was used to successfully assemble hierarchical porous carbon sponge with Co-Fe decoration. The as-constructed hybrid material exhibited superior electromagnetic wave absorption performance. Off-axis electron holography and X-ray absorption spectroscopy analysis revealed the presence of polarized nanodomain and the mutual interaction between metal clusters and carbon matrix responsible for the improved absorption.

NANO-MICRO LETTERS (2022)

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Article Nanoscience & Nanotechnology

Vertically Aligned Silicon Carbide Nanowires/ Boron Nitride Cellulose Aerogel Networks Enhanced Thermal Conductivity and Electromagnetic Absorbing of Epoxy Composites

Duo Pan et al.

Summary: A cellulose aerogel with highly enhanced thermal conductivity was successfully obtained by constructing a vertically aligned silicon carbide nanowires/boron nitride network. The composite exhibited significantly increased thermal conductivity compared to pure epoxy, both in vertical and horizontal directions. Additionally, it showed good electrical insulation and excellent electromagnetic wave absorption performance.

NANO-MICRO LETTERS (2022)

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Article Chemistry, Physical

Template-directed synthesis of Co2P/MoSe2 in a N-doped carbon hollow structure for efficient and stable sodium/potassium ion storage

Yuyu Wang et al.

Summary: A template-directed strategy is proposed for synthesizing multi-component hollow nanospheres, which greatly improves the electrochemical performance in large-sized K+/Na+ storage. The Co2P/MoSe2@NC structure exhibits excellent rate capability and high capacity retention.

NANO ENERGY (2022)

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Article Chemistry, Multidisciplinary

Constructing Conductive Network in Hybrid Perovskite for a Highly Efficient Microwave Absorption System

Zhi Zhang et al.

Summary: This study developed a method to construct an electromagnetic wave absorbing system by introducing a CNTs network into CH3NH3PbI3. The CNTs network widens the absorption bandwidth and reduces the absorption thickness, resulting in a highly efficient absorption effect.

ADVANCED FUNCTIONAL MATERIALS (2022)

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Article Chemistry, Physical

Multiple synergistic losses in the absorption of electromagnetic waves by three-dimensional cross-linked carbon fiber

Bushi Dai et al.

Summary: Carbon fiber with a three-dimensional cross-linked structure was prepared by electrostatic spinning and heat treatment. The predominantly boundary type graphite defects in the carbon fiber showed excellent electromagnetic wave absorption performance. The heat treatment temperature significantly affected the conductivity and electromagnetic properties.

CARBON (2022)

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Article Chemistry, Physical

S-doped carbon materials: Synthesis, properties and applications

Guixuan Ma et al.

Summary: This review focuses on the effects of sulfur doping on the properties and applications of carbon materials. The unique characteristics of sulfur atoms make them suitable for various applications in carbon nanomaterials. The promising applications of sulfur-doped carbons are presented, emphasizing the impact of sulfur doping on their properties and performance.

CARBON (2022)

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Article Engineering, Environmental

Surface bonding of CoP to biomass derived carbon microtube: Site-specific growth and high-efficiency catalysis

Xiaoyun Zhang et al.

Summary: Imitating and exploring natural structures and characteristics serve as a source of inspiration for scientific and technological progress. In this study, CoP anchored carbon microtubes (CoP@BCMT) were prepared using cattail fibers as carbon sources. The surface hydroxyl groups were used as growth sites for CoP, and C-O-Co bonds were formed between CoP and BCMT, resulting in improved catalytic performance. This work provides new ideas for utilizing biomass in the preparation of advanced catalysts.

CHEMICAL ENGINEERING JOURNAL (2022)

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Article Chemistry, Physical

S-doped graphene nano-capsules toward excellent low-temperature performance in Li-ion capacitors

Zhihua Xiao et al.

Summary: In this study, S-doped graphene nano-capsules (SGCs) were designed as both the anode and cathode in lithium-ion capacitors (LICs). The SGCs exhibited excellent electrochemical performance and cycling stability at both room temperature and low temperature, suggesting their potential for future energy storage applications.

JOURNAL OF POWER SOURCES (2022)

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Editorial Material Multidisciplinary Sciences

New generation electromagnetic materials: harvesting instead of dissipation solo

Yali Zhang et al.

SCIENCE BULLETIN (2022)

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Article Nanoscience & Nanotechnology

Overview of MXene and conducting polymer matrix composites for electromagnetic wave absorption

Bo Dai et al.

Summary: With the development of wireless communication technology, electromagnetic pollution has become a pressing issue, demanding the development of efficient electromagnetic wave absorbing materials. This article examines the structure and performance of MXene and CPs, reviewing the current research progress and absorption mechanism.

ADVANCED COMPOSITES AND HYBRID MATERIALS (2022)

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Article Engineering, Environmental

Electrically conductive Two-dimensional Metal-Organic frameworks for superior electromagnetic wave absorption

Zhen Shan et al.

Summary: This study prepared three two-dimensional MOFs using a hydrothermal method and investigated their electromagnetic wave absorption properties and absorption mechanisms. The hexagonal prismatic rod-shaped Cu3(HHTP)2 showed superior absorption performance compared to Zn/Ni3(HHTP)2, with a wide absorption bandwidth comparable to carbonized MOF-derived materials.

CHEMICAL ENGINEERING JOURNAL (2022)

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Article Materials Science, Multidisciplinary

Molecular engineering guided dielectric resonance tuning in derived carbon materials

Jiaoyan Shi et al.

Summary: This study demonstrates the use of molecular engineering concepts to control the structure of aromatic polymers and obtain high-performance derived carbon materials. By creating dipole polarization and dielectric resonance loss, the resulting derived carbon materials show outstanding electromagnetic wave absorption properties.

JOURNAL OF MATERIALS CHEMISTRY C (2022)

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Article Materials Science, Ceramics

Enhanced electromagnetic absorption properties of Fe-doped Sc2Si2O7 ceramics

Hanjun Wei et al.

Summary: Doping transition metal elements in a crystal can improve the electromagnetic properties of materials. Fe doping in Sc2Si2O7 ceramics leads to defects and enhancement of magnetic properties, improving microwave absorption efficiency. Controlling Fe content can further optimize the absorption performance of the ceramics.

CERAMICS INTERNATIONAL (2021)

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Article Nanoscience & Nanotechnology

Crystal Phase-Controlled Synthesis of the CoP@Co2P Heterostructure with 3D Nanowire Networks for High-Performance Li-Ion Capacitor Applications

Feng-Feng Li et al.

Summary: This study focuses on the controllable synthesis of cobalt-based phosphides with various morphologies to enhance the cycling stability and rate performance of lithium-ion capacitors, achieving excellent specific capacities and energy densities. The rational design of 3D hierarchical nanostructures and highly conductive materials plays a key role in improving the performance of energy storage devices.

ACS APPLIED MATERIALS & INTERFACES (2021)

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Article Chemistry, Physical

CuNi alloy/ carbon foam nanohybrids as high-performance electromagnetic wave absorbers

Longfei Lyu et al.

Summary: Three-dimensional carbon foams embedded with CuNi alloy nanoparticles were constructed for electromagnetic wave absorption application, showing excellent absorption performance. The study highlights the effect of metal compositions on the absorption performance and provides an environmentally friendly, low cost, and easy-to-large-scale-preparation approach for designing metal alloy/CF electromagnetic wave absorbers.

CARBON (2021)

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Article Chemistry, Physical

Controlling the heterogeneous interfaces of S, Co co-doped porous carbon nanosheets for enhancing the electromagnetic wave absorption

Bo Wen et al.

Summary: In this study, sulfur and cobalt co-doped porous carbon nanosheets were synthesized, showing superior electromagnetic wave absorption performance with a minimum reflection loss of -54.5 dB and an efficient absorption bandwidth of 6.88 GHz. The doping of cobalt and sulfur plays an important role in enhancing the electromagnetic wave absorption.

JOURNAL OF COLLOID AND INTERFACE SCIENCE (2021)

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Article Chemistry, Physical

Nanointerface engineering of cobalt sulfide/manganese sulfate hollow spheres for electromagnetic wave absorption

Hao Sun et al.

Summary: The CoS/MnSO4 heterostructure with hollow flower-like structure shows excellent electromagnetic wave absorption performance, attributed to its unique structural features and interfacial polarization at the nanoscale level.

APPLIED SURFACE SCIENCE (2021)

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Article Chemistry, Physical

Highly efficient electromagnetic absorption on ZnN4-based MOFs-derived carbon composites

Tong Gao et al.

Summary: This study reported a high-performance electromagnetic wave absorber with nitrogen-anchored zinc single atoms derived from zeolitic imidazolate frameworks, featuring high Zn-N-4 content and defect concentration, and showing remarkable dielectric loss tangent. Theoretical calculations revealed that the enhancement was due to the coordination structure of single zinc atoms and high density of permanent electric dipoles.

CARBON (2021)

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Article Engineering, Environmental