Physics, Condensed Matter

Article Chemistry, Multidisciplinary

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

Junye Cheng, Huibin Zhang, Mingqiang Ning, Hassan Raza, Deqing Zhang, Guangping Zheng, Qingbin Zheng, Renchao Che

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)

Article Chemistry, Multidisciplinary

Efficient Alkaline Water/Seawater Hydrogen Evolution by a Nanorod-Nanoparticle-Structured Ni-MoN Catalyst with Fast Water-Dissociation Kinetics

Libo Wu, Fanghao Zhang, Shaowei Song, Minghui Ning, Qing Zhu, Jianqing Zhou, Guanhui Gao, Zhaoyang Chen, Qiancheng Zhou, Xinxin Xing, Tian Tong, Yan Yao, Jiming Bao, Luo Yu, Shuo Chen, Zhifeng Ren

Summary: This study demonstrates a heterogeneous Ni-MoN catalyst with outstanding performance for high-current-density water electrolysis. The catalyst, consisting of nanoparticles and nanorods, possesses abundant active sites and a hydrophilic surface that facilitates gas-release and prevents catalyst degradation. Theoretical calculations confirm the synergistic effect of Ni and MoN, as well as the improved water-dissociation kinetics at the Mo sites.

ADVANCED MATERIALS (2022)

Review Chemistry, Physical

Metal/Covalent-Organic Framework Based Cathodes for Metal-Ion Batteries

Lingjun Kong, Ming Liu, Hui Huang, Yunhua Xu, Xian-He Bu

Summary: Metal-organic frameworks (MOFs) and covalent-organic frameworks (COFs) are emerging families of functional materials with immense potential for high-performance electrode materials for metal-ion batteries. Despite their advantages, MOFs/COFs and their derivatives face challenges as cathode materials.

ADVANCED ENERGY MATERIALS (2022)

Article Chemistry, Physical

Non-iridium-based electrocatalyst for durable acidic oxygen evolution reaction in proton exchange membrane water electrolysis

Zhen-Yu Wu, Feng-Yang Chen, Boyang Lie, Shen-Wei Yu, Y. Zou Finfrock, Debora Motta Meira, Qiang-Qiang Yan, Peng Zhu, Ming-Xi Chen, Tian-Wei Song, Zhouyang Yin, Hai-Wei Liang, Sen Zhang, Guofeng Wang, Haotian Wang

Summary: A nickel-stabilized ruthenium dioxide catalyst (Ni-RuO2) is reported as a promising alternative to iridium for proton exchange membrane water electrolysis, with high activity and durability in acidic oxygen evolution reaction. Density functional theory studies and operando mass spectroscopy analysis confirm the stabilization effect of nickel on the catalyst lattice, improving the durability of the oxygen evolution reaction.

NATURE MATERIALS (2023)

Review Chemistry, Physical

Anode materials for lithium-ion batteries: A review

P. U. Nzereogu, A. D. Omah, F. I. Ezema, E. I. Iwuoha, A. C. Nwanya

Summary: The demand for eco-friendly and portable energy sources in various industries has led to extensive research and innovation in lithium-ion battery (LIB) technology. LIBs have emerged as the most suitable device for storing electrical power in mobile appliances and electric vehicles, thanks to their lightweight, high energy density, small size, long cycle life, and low pollution. This review article discusses recent advancements in LIB anode materials, their advantages and disadvantages, as well as new approaches to overcome their drawbacks.

APPLIED SURFACE SCIENCE ADVANCES (2022)

Article Chemistry, Multidisciplinary

A Dynamic and Self-Adapting Interface Coating for Stable Zn-Metal Anodes

Zhikun Guo, Lishuang Fan, Chenyang Zhao, Aosai Chen, Nannan Liu, Yu Zhang, Naiqing Zhang

Summary: The zinc-ion battery is gaining attention for its safety and environmental benefits, but dendrite formation and dead zinc accumulation can reduce battery life. A self-adaptable PDMS/TiO2-x coating has been developed to address these issues, inhibiting dendrite growth and maintaining stability during cycling. The cells achieved a high coulombic efficiency after 700 cycles, showcasing the effectiveness of the adaptive interface coating.

ADVANCED MATERIALS (2022)

Review Chemistry, Physical

Review on Graphene-, Graphene Oxide-, Reduced Graphene Oxide-Based Flexible Composites: From Fabrication to Applications

Aamir Razaq, Faiza Bibi, Xiaoxiao Zheng, Raffaello Papadakis, Syed Hassan Mujtaba Jafri, Hu Li

Summary: This paper provides a comprehensive review of the recent progress in the synthesis and applications of graphene-based composites in the field of flexible devices. It also highlights the difficulties and challenges in the development of graphene, serving as a valuable reference for further innovation.

MATERIALS (2022)

Review Chemistry, Multidisciplinary

Recent Advances on Host-Guest Material Systems toward Organic Room Temperature Phosphorescence

Xi Yan, Hao Peng, Yuan Xiang, Juan Wang, Lan Yu, Ye Tao, Huanhuan Li, Wei Huang, Runfeng Chen

Summary: Research focus in the field of organic electronics is currently on the design and characterization of purely organic room-temperature phosphorescent (RTP) materials. Host-guest material systems, with the ability to control and modulate properties, are promising candidates for high-performance RTP materials with diverse applications.
Article Chemistry, Multidisciplinary

Tailoring Competitive Adsorption Sites by Oxygen-Vacancy on Cobalt Oxides to Enhance the Electrooxidation of Biomass

Yuxuan Lu, Tianyang Liu, Chung-Li Dong, Chunming Yang, Ling Zhou, Yu-Cheng Huang, Yafei Li, Bo Zhou, Yuqin Zou, Shuangyin Wang

Summary: The electrooxidation of 5-hydroxymethylfurfural (HMF) provides a green route to obtain high-value chemicals from biomass. The study reveals the adsorption behavior of HMF and OH- on Co3O4, with oxygen vacancy playing a crucial role. Modulating adsorption sites leads to excellent activity for the HMFOR process.

ADVANCED MATERIALS (2022)

Article Chemistry, Multidisciplinary

Multifunctional Hyphae Carbon Powering Lithium-Sulfur Batteries

Lei Huang, Shenghui Shen, Yu Zhong, Yongqi Zhang, Lingjie Zhang, Xiuli Wang, Xinhui Xia, Xili Tong, Jiancang Zhou, Jiangping Tu

Summary: Biotechnology is utilized to develop a novel biological self-assembly technology for the large-scale preparation of multifunctional Rhizopus hyphae carbon fiber (RHCF) and its derivatives. The designed RHCF derivatives exhibit powerful multifunctionality in lithium-sulfur batteries, showing excellent cycling performance and high-rate capacity. This work provides a new method for advanced energy storage and conversion using hollow carbon fibers and their derivatives.

ADVANCED MATERIALS (2022)

Article Chemistry, Multidisciplinary

Controlled Distributed Ti3C2Tx Hollow Microspheres on Thermally Conductive Polyimide Composite Films for Excellent Electromagnetic Interference Shielding

Yali Zhang, Kunpeng Ruan, Kun Zhou, Junwei Gu

Summary: Flexible multifunctional (Fe3O4/PI)-Ti3C2Tx-(Fe3O4/PI) composite films with controllable pore sizes and distribution of Ti3C2Tx hollow microspheres were successfully prepared by sacrificial template method. The composite films demonstrated excellent electromagnetic interference (EMI) shielding performance, thermal conductivity, and mechanical properties, making them suitable for EMI shielding protection for high-power, portable, and wearable flexible electronic devices.

ADVANCED MATERIALS (2023)

Article Chemistry, Physical

High-entropy enhanced capacitive energy storage

Bingbing Yang, Yang Zhang, Hao Pan, Wenlong Si, Qinghua Zhang, Zhonghui Shen, Yong Yu, Shun Lan, Fanqi Meng, Yiqian Liu, Houbing Huang, Jiaqing He, Lin Gu, Shujun Zhang, Long-Qing Chen, Jing Zhu, Ce-Wen Nan, Yuan-Hua Lin

Summary: By doping equimolar Zr, Hf, and Sn into Bi4Ti3O12 thin films, a high-entropy stabilized Bi2Ti2O7 pyrochlore phase with an energy density of 182 J cm(-3) and 78% efficiency is achieved. The improved energy storage performance is attributed to the regulated atomic configurational entropy, which introduces favorable microstructural features and enhances breakdown strength.

NATURE MATERIALS (2022)

Review Chemistry, Multidisciplinary

Inorganic Metal-Oxide Photocatalyst for H2O2 Production

Linxi Wang, Jianjun Zhang, Yong Zhang, Huogen Yu, Yinhu Qu, Jiaguo Yu

Summary: Hydrogen peroxide is a versatile oxidizing agent used in various applications, with its production via anthraquinone oxidation process being considered inefficient and environmentally unfriendly. Photocatalytic production of H2O2 using inorganic metal oxide semiconductors is a green and cost-effective alternative, although productivity is still a challenge in laboratory research. Efforts are being made to enhance the photocatalytic activity for H2O2 production, with modifications and quantification methods being explored for future advancements in this field.
Review Chemistry, Multidisciplinary

Flexible Electronics and Devices as Human-Machine Interfaces for Medical Robotics

Wenzheng Heng, Samuel Solomon, Wei Gao

Summary: Medical robots play a crucial role in non-pharmaceutical treatment of disabilities, and flexible human-machine interfaces have emerged as a key technology in this field. They offer high biocompatibility, functionality, conformability, and cost-effectiveness, enabling better rehabilitation feedback and user experience.

ADVANCED MATERIALS (2022)

Article Chemistry, Multidisciplinary

Nitrogen-Doped Carbon Fibers Embedded with Zincophilic Cu Nanoboxes for Stable Zn-Metal Anodes

Yinxiang Zeng, Peng Xiao Sun, Zhihao Pei, Qi Jin, Xitian Zhang, Le Yu, Xiong Wen (David) Lou

Summary: The study developed a 3D multifunctional host consisting of N-doped carbon fibers embedded with Cu nanoboxes for stable Zn-metal anodes. The host's structure alleviates volume change during cycling and enables uniform and dense Zn deposition, resulting in high Coulombic efficiency and long cycling life for the electrode.

ADVANCED MATERIALS (2022)

Review Chemistry, Multidisciplinary

Surface Chemistry Engineering of Perovskite Quantum Dots: Strategies, Applications, and Perspectives

Yang Bai, Mengmeng Hao, Shanshan Ding, Peng Chen, Lianzhou Wang

Summary: This article discusses the surface chemistry engineering of metal halide perovskite quantum dots (PQDs) and emphasizes the dual impact of surface ligands on the stability and performance of PQDs, highlighting innovative solutions. Significant achievements in the fields of photovoltaics and optoelectronics have been made through a deep understanding of the surface atomistic structure and defect mechanisms in PQDs.

ADVANCED MATERIALS (2022)

Article Chemistry, Multidisciplinary

Electronically and Geometrically Modified Single-Atom Fe Sites by Adjacent Fe Nanoparticles for Enhanced Oxygen Reduction

Shu-Na Zhao, Jun-Kang Li, Rui Wang, Jinmeng Cai, Shuang-Quan Zang

Summary: This work investigates the electronic and geometric structures of Fe-N-C materials and their correlation with oxygen reduction reaction (ORR) performance. The analyses demonstrate the important role of coordinated atoms and the interaction between isolated sites and adjacent nanoparticles in enhancing ORR performance. Theoretical calculations reveal that regulating the structure of Fe-N-C sites can improve ORR performance.

ADVANCED MATERIALS (2022)

Article Chemistry, Multidisciplinary

Tumor-Microenvironment-Activated Reactive Oxygen Species Amplifier for Enzymatic Cascade Cancer Starvation/Chemodynamic /Immunotherapy

Man Wang, Mengyu Chang, Chunxia Li, Qing Chen, Zhiyao Hou, Bengang Xing, Jun Lin

Summary: A TME-responsive nanosystem was engineered in this study to enhance reactive oxygen species production in the tumor microenvironment for cancer starvation, chemodynamic, and immunotherapy, which was achieved through combining natural enzymes and nanozymes. Furthermore, the enhanced oxidative stress by the nanosystem facilitated antitumor immune responses and effectively inhibited tumor growth and metastasis when combined with PD-L1 antibody for synergistic therapy.

ADVANCED MATERIALS (2022)

Article Chemistry, Physical

Atomic-Level Platinum Filling into Ni-Vacancies of Dual-Deficient NiO for Boosting Electrocatalytic Hydrogen Evolution

Yaotian Yan, Jinghuang Lin, Tianxiong Xu, Baishen Liu, Keke Huang, Liang Qiao, Shude Liu, Jian Cao, Seong Chan Jun, Yusuke Yamauchi, Junlei Qi

Summary: A strategy is proposed to enhance the activity of NiO catalysts by filling Ni-vacancy sites. This can be achieved by using Ar plasma and oxygen vacancies. The filled Pt atoms increase crystal stability and tune the electronic structure. Experimental results show that the Pt-filled D-NiO-Pt electrode exhibits superior mass activity and long-term stability.

ADVANCED ENERGY MATERIALS (2022)

Article Chemistry, Multidisciplinary

Organic-Inorganic Hybrid Cathode with Dual Energy-Storage Mechanism for Ultrahigh-Rate and Ultralong-Life Aqueous Zinc-Ion Batteries

Xuemei Ma, Xinxin Cao, Mengli Yao, Lutong Shan, Xiaodong Shi, Guozhao Fang, Anqiang Pan, Bingan Lu, Jiang Zhou, Shuquan Liang

Summary: This work introduces organic-inorganic hybrid cathodes with a dual energy-storage mechanism for aqueous zinc-ion batteries, providing high specific capacity, elevated voltage, and excellent long-term cycle stability. Density functional theory calculations show remarkable electronic conductivity with an ultralow diffusion barrier, opening new research directions in high-energy secondary batteries.

ADVANCED MATERIALS (2022)