Search results for: Yong‐Wei Zhang

Items from 1 to 20 out of 115 results

article

Linear Electro‐Optic Effect in 2D Ferroelectric for Electrically Tunable Metalens

Yuanda Liu, Yaze Wu, Ruihuan Duan, Jichao Fu, more

Advanced Materials > 36 > 29 > n/a - n/a

The advent of 2D ferroelectrics, characterized by their spontaneous polarization states in layer‐by‐layer domains without the limitation of a finite size effect, brings enormous promise for applications in integrated optoelectronic devices. Comparing with semiconductor/insulator devices, ferroelectric devices show natural advantages such as non‐volatility, low energy consumption and high response...

article

Frameworked Electrolytes: A Pathway Towards Solid Future of Batteries

Jianguo Sun, Xingyang Wang, Hao Yuan, Yu Liu, more

Small > 20 > 20 > n/a - n/a

All‐solid‐state batteries (ASSBs) represent a highly promising next‐generation energy storage technology owing to their inherently high safety, device reliability, and potential for achieving high energy density in the post‐ara of lithium‐ion batteries, and therefore extensive searches are ongoing for ideal solid‐state electrolytes (SSEs). Though promising, there is still a huge barrier that limits...

article

Revamping Triboelectric Output by Deep Trap Construction

Nannan Wang, Yizhe Liu, Yange Feng, Jing Yang, more

Advanced Materials > 36 > 13 > n/a - n/a

High output performance is critical for building triboelectric nanogenerators (TENGs) for future multifunctional applications. Unfortunately, the high triboelectric charge dissipation rate has a significant negative impact on its electrical output performance. Herein, a new tribolayer is designed through introducing self‐assembled molecules with large energy gaps on commercial PET fibric to form carrier...

article

General Entropy Approach Toward Ultratough Sustainable Plastics

Xunan Hou, Qing‐Xiang Pei, Wen Sun, Bangjie Song, more

Macromolecular Rapid Communications > 45 > 5 > n/a - n/a

Entropy is a universal concept across the physics of mixtures. While the role of entropy in other multicomponent materials has been appreciated, its effects in polymers and plastics have not. In this work, it is demonstrated that the seemingly small mixing entropy contributes to the miscibility and performance of polymer alloys. Experimental and modeling studies on over 30 polymer pairs reveal a strong...

article

Laser‐Ironing Induced Capping Layer on Co‐ZIF‐L Promoting In Situ Surface Modification to High‐Spin Oxide–Carbon Hybrids on the “Real Catalyst” for High OER Activity and Stability

Weihao Liu, Jing Yang, Yizhe Zhao, Ximeng Liu, more

Advanced Materials > 36 > 8 > n/a - n/a

Enhancing electrocatalytic performance through structural and compositional engineering attracts considerable attention. However, most materials only function as pre‐catalysts and convert into “real catalysts” during electrochemical reactions. Such transition involves dramatic structural and compositional changes and disrupts their designed properties. Herein, for the first time, a laser‐ironing (LI)...

article

Accelerating Sulfur Redox Kinetics by Electronic Modulation and Drifting Effects of Pre‐Lithiation Electrocatalysts

Haimei Wang, Hao Yuan, Wanwan Wang, Xingyang Wang, more

Advanced Materials > 36 > 8 > n/a - n/a

Efficient catalyst design is crucial for addressing the sluggish multi‐step sulfur redox reaction (SRR) in lithium‐sulfur batteries (LiSBs), which are among the promising candidates for the next‐generation high‐energy‐density storage systems. However, the limited understanding of the underlying catalytic kinetic mechanisms and the lack of precise control over catalyst structures pose challenges in...

article

Crystallographic Insight of Reduced Lattice Volume Expansion in Mesoporous Cu²⁺‐Doped TiNb₂O₇ Microspheres during Li⁺ Insertion

Chengfu Yang, Dongwei Ma, Jing Yang, Maykel Manawan, more

Advanced Functional Materials > 33 > 15 > n/a - n/a

TiNb₂O₇ represents a promising anode material for lithium‐ion batteries (LIBs), but its practical applications are currently hampered by the non‐negligible volumetric expansion and contraction during the charge/discharge process and the sluggish ion/electron kinetics. A combination technique is reported by systematically optimizing the porous and spherical morphology, crystal structure, and surface...

article

Sumanene Monolayer of Pure Carbon: A Two‐Dimensional Kagome‐Analogy Lattice with Desirable Band Gap, Ultrahigh Carrier Mobility, and Strong Exciton Binding Energy

Xiaoran Shi, Weiwei Gao, Hongsheng Liu, Zhen‐Guo Fu, more

Small > 18 > 40 > n/a - n/a

The design and synthesis of novel two‐dimensional (2D) materials that possess robust structural stability and unusual physical properties may open up enormous opportunities for device and engineering applications. Herein, a 2D sumanene lattice that can be regarded as a derivative of the conventional Kagome lattice is proposed. The tight‐binding analysis demonstrates sumanene lattice contains two sets...

article

In‐Memory Computing using Memristor Arrays with Ultrathin 2D PdSeO_x/PdSe₂ Heterostructure

Yesheng Li, Shuai Chen, Zhigen Yu, Sifan Li, more

Advanced Materials > 34 > 26 > n/a - n/a

In‐memory computing based on memristor arrays holds promise to address the speed and energy issues of the classical von Neumann computing system. However, the stochasticity of ions’ transport in conventional oxide‐based memristors imposes severe intrinsic variability, which compromises learning accuracy and hinders the implementation of neural network hardware accelerators. Here, these challenges...

article

Dual Tumor Microenvironment Remodeling by Glucose‐Contained Radical Copolymer for MRI‐Guided Photoimmunotherapy

Hongwei Cheng, Xiaoshan Fan, Enyi Ye, Hu Chen, more

Advanced Materials > 34 > 25 > n/a - n/a

Aberrant glucose metabolism and immune evasion are recognized as two hallmarks of cancer, which contribute to poor treatment efficiency and tumor progression. Herein, a novel material system consisting of a glucose and TEMPO (2,2,6,6‐tetramethylpiperidin‐1‐yl)oxyl) at the distal ends of PEO‐b‐PLLA block copolymer (glucose‐PEO‐b‐PLLA‐TEMPO), is designed to encapsulate clinical therapeutics CUDC101...

article

Effect of baseline infarct size on endovascular thrombectomy with or without intravenous alteplase in stroke patients: A subgroup analysis of a randomized trial (DIRECT‐MT)

Zhen Yu Jia, Yong Xin Zhang, Yue Zhou Cao, Lin Bo Zhao, more

European Journal of Neurology > 29 > 6 > 1643 - 1651

Background and purpose DIRECT‐MT showed that endovascular thrombectomy was noninferior to thrombectomy preceded by intravenous alteplase with regard to functional outcome in patients with acute ischemic stroke. In this post hoc analysis, we examined whether infarct size modified the effect of alteplase. Methods All patients with baseline Alberta Stroke Program Early Computed Tomography Score (ASPECTS)...

article

Modeling and Analysis of the Geometry‐Dependent Mechanical and Thermal Properties of Coiled Carbon Nanotubes

Yan Chen, Huasong Qin, Yilun Liu, Qing-Xiang Pei, more

physica status solidi (RRL) – Rapid Research Letters > 16 > 3 > n/a - n/a

Coiled carbon nanotubes (CNTs) have attracted much attention thanks to their unique geometrical structure along with outstanding mechanical and thermal properties. However, the relationship between the geometrical parameters and mechanical and thermal properties of coiled CNTs remains largely unexplored. Herein, coiled CNTs are constructed with various geometries by phase‐field crystal (PFC) modeling...

article

Redox‐Mediated Ambient Electrolytic Nitrogen Reduction for Hydrazine and Ammonia Generation

Xun Wang, Jing Yang, Manohar Salla, Shibo Xi, more

Angewandte Chemie > 133 > 34 > 18869 - 18875

This work presents a redox‐mediated electrolytic nitrogen reduction reaction (RM‐eNRR) using polyoxometalate (POM) as the electron and proton carrier which frees the TiO₂‐based catalyst from the electrode and shifts the reduction of nitrogen to a reactor tank. The RM‐eNRR process has achieved an ammonium production yield of 25.1 μg h⁻¹ or 5.0 μg h⁻¹ cm⁻² at an ammonium concentration of 6.7 ppm. With...

article

Redox‐Mediated Ambient Electrolytic Nitrogen Reduction for Hydrazine and Ammonia Generation

Xun Wang, Jing Yang, Manohar Salla, Shibo Xi, more

Angewandte Chemie International Edition > 60 > 34 > 18721 - 18727

article

A Moisture‐Hungry Copper Complex Harvesting Air Moisture for Potable Water and Autonomous Urban Agriculture

Jiachen Yang, Xueping Zhang, Hao Qu, Zhi Gen Yu, more

Advanced Materials > 32 > 39 > n/a - n/a

The earth's atmosphere houses an enormous amount of water, which could be effectively exploited for a plethora of applications. While the development of materials for harnessing this abundant resource has gained impetus in recent years, limited efforts have been devoted to in‐depth research on their agricultural applications. Herein, a novel copper(II)–ethanolamine complex (Cu‐complex), which has...

article

Water Harvesting: A Moisture‐Hungry Copper Complex Harvesting Air Moisture for Potable Water and Autonomous Urban Agriculture (Adv. Mater. 39/2020)

Jiachen Yang, Xueping Zhang, Hao Qu, Zhi Gen Yu, more

Advanced Materials > 32 > 39 > n/a - n/a

In article number 2002936, Swee Ching Tan and co‐workers report the synthesis of a moisture‐hungry Cu‐complex and use it for fabricating a “Smart Farm” device that can autonomously harvest atmospheric water during the night and release water during the day under natural sunlight. Driven by solar energy, the device enables self‐sustaining irrigation, which can help to alleviate both water and food...

article

Online information on Crohn's disease in Chinese: an evaluation of its quality and readability

Xiao Yin Bai, Yong Wei Zhang, Ji Li, Yue Li, more

Journal of Digestive Diseases > 20 > 11 > 596 - 601

To assess the quality and readability of patient‐education information on Crohn's disease on the internet in China. Methods Baidu and Sogou were chosen as search engines, and the top 58 webpages on Crohn's disease meeting the inclusion criteria were evaluated. After the data were screened, the quality of information was assessed by two specialists using a simplified DISCERN system. Different levels...

article

Surface Reconstruction, Oxidation Mechanism, and Stability of Cd₃As₂

Junfeng Gao, Anna Cupolillo, Silvia Nappini, Federica Bondino, more

Advanced Functional Materials > 29 > 26 > n/a - n/a

Cadmium arsenide (Cd₃As₂) has recently attracted considerable interest for the presence of 3D massless Dirac fermions with ultrahigh mobility and magnetoresistance. However, its surface properties are currently largely unexplored both theoretically and experimentally, due to the very large unit cell and the challenging growth of single‐crystal samples, respectively. Here, by combining ab initio calculations...

article

Artificial Synapses Based on Multiterminal Memtransistors for Neuromorphic Application

Lin Wang, Wugang Liao, Swee Liang Wong, Zhi Gen Yu, more

Advanced Functional Materials > 29 > 25 > n/a - n/a

Neuromorphic computing, which emulates the biological neural systems could overcome the high‐power consumption issue of conventional von‐Neumann computing. State‐of‐the‐art artificial synapses made of two‐terminal memristors, however, show variability in filament formation and limited capacity due to their inherent single presynaptic input design. Here, a memtransistor‐based artiﬁcial synapse is realized...

article

Discrete‐Continuum Duality of Architected Materials: Failure, Flaws, and Fracture

Arturo J. Mateos, Wei Huang, Yong‐Wei Zhang, Julia R. Greer

Advanced Functional Materials > 29 > 5 > n/a - n/a

3D nano‐ and micro‐architected materials are resilient under compression; their susceptibility to flaws and fracture remain unexplored. This work reports the fabrication and tensile‐to‐failure response of hollow alumina nanolattices arranged into 5 µm octet‐truss unit cells. Some specimens contained through‐thickness center notches oriented at different angles to the loading direction, with a length‐over‐sample‐width...

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INFONA - science communication portal

Search results for: Yong‐Wei Zhang

Linear Electro‐Optic Effect in 2D Ferroelectric for Electrically Tunable Metalens

Frameworked Electrolytes: A Pathway Towards Solid Future of Batteries

Revamping Triboelectric Output by Deep Trap Construction

General Entropy Approach Toward Ultratough Sustainable Plastics

Laser‐Ironing Induced Capping Layer on Co‐ZIF‐L Promoting In Situ Surface Modification to High‐Spin Oxide–Carbon Hybrids on the “Real Catalyst” for High OER Activity and Stability

Accelerating Sulfur Redox Kinetics by Electronic Modulation and Drifting Effects of Pre‐Lithiation Electrocatalysts

Crystallographic Insight of Reduced Lattice Volume Expansion in Mesoporous Cu²⁺‐Doped TiNb₂O₇ Microspheres during Li⁺ Insertion

Sumanene Monolayer of Pure Carbon: A Two‐Dimensional Kagome‐Analogy Lattice with Desirable Band Gap, Ultrahigh Carrier Mobility, and Strong Exciton Binding Energy

In‐Memory Computing using Memristor Arrays with Ultrathin 2D PdSeO_x/PdSe₂ Heterostructure

Dual Tumor Microenvironment Remodeling by Glucose‐Contained Radical Copolymer for MRI‐Guided Photoimmunotherapy

Effect of baseline infarct size on endovascular thrombectomy with or without intravenous alteplase in stroke patients: A subgroup analysis of a randomized trial (DIRECT‐MT)

Modeling and Analysis of the Geometry‐Dependent Mechanical and Thermal Properties of Coiled Carbon Nanotubes

Redox‐Mediated Ambient Electrolytic Nitrogen Reduction for Hydrazine and Ammonia Generation

Redox‐Mediated Ambient Electrolytic Nitrogen Reduction for Hydrazine and Ammonia Generation

A Moisture‐Hungry Copper Complex Harvesting Air Moisture for Potable Water and Autonomous Urban Agriculture

Water Harvesting: A Moisture‐Hungry Copper Complex Harvesting Air Moisture for Potable Water and Autonomous Urban Agriculture (Adv. Mater. 39/2020)

Online information on Crohn's disease in Chinese: an evaluation of its quality and readability

Surface Reconstruction, Oxidation Mechanism, and Stability of Cd₃As₂

Artificial Synapses Based on Multiterminal Memtransistors for Neuromorphic Application

Discrete‐Continuum Duality of Architected Materials: Failure, Flaws, and Fracture

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