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IUPAC 5th International Symposium on Novel materials and their synthesis,19th International Symposium on Fine Chemistry and Functional Polymers(IUPAC 第五届国际新型材料及其制备学术研讨会暨第19届国际精细化学和功能高分子学术讨论会)

作者： Y.B.Wang H.J.Sun J.Zhou B.Li C.Y.Zhang W.Chen State Key Laboratory of Advanced Technology for Materials Synthesis and Processing School of Material Science and EngineeringWuhan University of TechnologyWuhan430070China

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Highly Monodispersed PtPd bimetallic Nanocomposites with a Novel One Particle@One Cell Structure

Highly Monodispersed PtPd bimetallic Nanocomposites with a N...

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2015年第四届国际新材料大会

作者： Jie Ying Wang Yong Xiao-Yu Yang Bao-Lian Su State Key Laboratory of Advanced Technology for Material Synthesis and Processing Wuhan University of Technology Laboratory of Inorganic Materials Chemistry University of Namur (FUNDP)

Pt-based nanostructures have attracted tremendous research attention owing to their excellent performance in many applications,such as proton-exchange membrane(PEM) fuel *** Pt-based alloy which not only reduce the content of Pt,but also usually show a superior performance compared with pure Pt *** improve the stability,durability and utilization efficiency of metals,various types of nano-architectures,especially nanoporous structure,have been employed as catalyst *** avoiding the blocking of channels between pores and aggregation of nanoparticles,it's very necessary to synthesize uniform Pt-based bimetallic nanoparticles highly monodispersed in nanostructures for maximizing the activity of a Pt-based ***,we synthesized highly monodispersed PtPd nanoparticles encapsulated in a unique "one particle@one cell" structure by adjusting the viscosity of solvents using mesocellular *** nanocomposites exhibit excellent electrocatalytic activity(over 4 times mass and specific activities than the commercial Pt/C catalyst).Importantly,this nanocatalyst shows no obvious change of structure and only 29.5% loss in electrochemically active surface area after 5000 potential *** synthetic approach is facile and general for the design of practical catalysts,which could combine functionalities in all of the compositions.

关键词： Highly Monodispersed PtPd bimetallic Nanocomposites with a Novel One Particle@One Cell Structure

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Sulfur-doped g-C3N4/TiO2 S-scheme heterojunction photocatalyst for Congo Red photodegradation

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Chinese Journal of Catalysis 2021年第1期42卷 56-68页

作者： Juan Wang Guohong Wang Bei Cheng Jiaguo Yu Jiajie Fan Hubei Key Laboratory of Pollutant Analysis and Reuse Technology College of Chemistry and Chemical EngineeringInstitute for Advanced MaterialsHubei Normal UniversityHuangshi 435002HubeiChina State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Wuhan University of TechnologyWuhan 430070HubeiChina Material Science and Engineering School Zhengzhou UniversityZhengzhou 450001HenanChina

Constructing step-scheme(S-scheme)heterojunctions has been confirmed as a promising strategy for enhancing the photocatalytic activity of composite *** this work,a series of sulfur-doped g-C3N4(SCN)/TiO2 S-scheme photocatalysts were synthesized using electrospinning and calcination *** as-prepared SCN/TiO2 composites showed superior photocatalytic performance than pure TiO2 and SCN in the photocatalytic degradation of Congo Red(CR)aqueous *** significant enhancement in photocatalytic activity benefited not only from the 1D well-distributed nanostructure,but also from the S-scheme ***,the XPS analyses and DFT calculations demonstrated that electrons were transferred from SCN to TiO2 across the interface of the SCN/TiO2 *** built-in electric field,band edge bending,and Coulomb interaction synergistically facilitated the recombination of relatively useless electrons and holes in hybrid when the interface was irradiated by simulated solar ***,the remaining electrons and holes with higher reducibility and oxidizability endowed the composite with supreme redox *** results were adequately verified by radical trapping experiments,ESR tests,and in situ XPS analyses,suggesting that the electron immigration in the photocatalyst followed the S-scheme heterojunction *** work can enrich our knowledge of the design and fabrication of novel S-scheme heterojunction photocatalysts and provide a promising strategy for solving environmental pollution in the future.

关键词： TiO2 nanofiber Sulfur-doped g-C3N4 Step-scheme heterojunction photocatalysis In situ XPS S-scheme mechanism

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Carbon nanotubes modified MXene film as a high-performance electrode for supercapacitor

Carbon nanotubes modified MXene film as a high-performance e...

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2022 International Conference on Optoelectronic Information and Functional materials, OIFM 2022

作者： Wang, Yesheng Kong, Dongqing Cui, Yongpeng Xing, Wei State Key Laboratory of Heavy Oil Processing School of Material Science and Engineering China University of Petroleum Qingdao266580 China Weifang Key Lab of Advanced Light Materials Manufacturing and Forming Weifang University of Science and Technology Weifang262700 China

ISBN: (数字)9781510655126

ISBN: (纸本)9781510655119

As a new family of 2D material, MXene has shown a huge potential in the application of supercapacitor because of their superior conductivity, abundant active sites and the stable layered structure. However, the electrochemical performance of MXene-based electrodes is limited by the stacking of the nanosheets. Herein, the flexible carbon nanotube (CNT) modified Ti3C2 (CNT@Ti3C2-300) film was obtained via facile filtration of the MXene and CNT suspension mixture followed by annealing. The CNT could effectively pillar the interlayer space of the nanosheets to avoid the layeraggregation and create a cross-linked conductive network in the film. The hybrid film exhibits high capacitance of 366.7 F g-1 at a current density 1 A g-1, excellent rate performance up to 75.1% at 20 A g-1 and long cycling life (98.7 % capacitance retention after 8000 cycles at 20 A g-1). The above results indicate its huge potential application as flexible supercapacitors electrode. © 2022 SPIE.

关键词： Carbon nanotubes

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Self-powered sensor based on compressible ionic gel electrolyte for simultaneous determination of temperature and pressure

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InfoMat 2024年第7期6卷 62-75页

作者： Junjie Zou Yanan Ma Chenxu Liu Yimei Xie Xingyao Dai Xinhui Li Shuxuan Li Shaohui Peng Yang Yue Shuo Wang Ce-Wen Nan Xin Zhang State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Center of Smart Materials and Devices&International School of Materials Science and EngineeringWuhan University of TechnologyWuhanthe People's Republic of China Hubei Key Laboratory of Energy Storage and Power Battery School of MathematicsPhysics and Optoelectronic EngineeringHubei University of Automotive TechnologyShiyanthe People's Republic of China Information Materials and Intelligent Sensing Laboratory of Anhui Province Key Laboratory of Structure and Functional Regulation of Hybrid Materials of Ministry of EducationInstitutes of Physical Science and Information TechnologyAnhui UniversityHefeithe People's Republic of China State Key Lab of New Ceramics and Fine Processing School of Materials Science and EngineeringTsinghua UniversityBeijingthe People's Republic of China

The simultaneous detection of multiple stimuli,such as pressure and temperature,has long been a persistent challenge for developing electronic skin(eskin)to emulate the functionality of human ***,the demand for integrated power supply units is an additional pressing concern to achieve its lightweightness and ***,we propose a self-powered dual temperature–pressure(SPDM)sensor,which utilizes a compressible ionic gel electrolyte driven by the potential difference between MXene and Al *** SPDM sensor exhibits a rapid and timely response to changes in pressure-induced deformation,while exhibiting a slow and hysteretic response to temperature *** distinct response characteristics enable the differentiation of current signals generated by different stimuli through machine learning,resulting in an impressive accuracy rate of 99.1%.Furthermore,the developed SPDM sensor exhibits a wide pressure detection range of 0–800 kPa and a broad temperature detection range of 5–75C,encompassing the environmental conditions encountered in daily human *** dual-mode coupled strategy by machine learning provides an effective approach for temperature and pressure detection and discrimination,showcasing its potential applications in wearable electronics,intelligent robots,human–machine interactions,and so on.

关键词： e-skin gel electrolyte machine learning self-powered dual-mode sensor

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Closed-eye intraocular pressure and eye movement monitoring via a stretchable bimodal contact lens

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Microsystems and Nanoengineering 2025年第1期11卷 1-12页

作者： Gan, Xingyi Yao, Guang Li, Cunbo Mu, Yufeng Xie, Maowen Zhou, Chenzheng Li, Peisi Dong, Qiwei Chen, Ke Zhao, Kangning Gao, Min Pan, Taisong Lu, Fang Yao, Dezhong Xu, Peng Lin, Yuan School of Materials and Energy University of Electronic Science and Technology of China Sichuan Chengdu610054 China State Key Laboratory of Electronic Thin Films and Integrated Devices University of Electronic Science and Technology of China Sichuan Chengdu610054 China Shenzhen Institute for Advanced Study University of Electronic Science and Technology of China Shenzhen Guangdong518110 China Clinical Hospital of Chengdu Brain Science Institute MOE Key Lab for Neuroinformation University of Electronic Science and Technology of China Sichuan Chengdu611731 China State Key Laboratory of Advanced Technology for Materials Synthesis and Processing International School of Materials Science and Engineering Wuhan University of Technology Hubei Wuhan430070 China Medico-Engineering Cooperation on Applied Medicine Research Center Department of Ophthalmology Sichuan Academy of Medical Sciences and Sichuan Provincial People’s Hospital University of Electronic Science and Technology of China Sichuan Chengdu610054 China

Chronic ophthalmic diseases are multivariate, time-varying, and degenerative. Smart contact lenses have emerged as a scalab.e platform for noninvasive ocular signal detection and disease diagnosis. However, real-time monitoring and decoupling of multiple ocular parameters, particularly when the eyes are closed, remain challenging in clinical medicine. In this work, we propose a stretchable bimodal contact lens (BCL) amalgamating self-decoupled electromagnetic capacitive intraocular pressure (CIOP) and magnetic eye movement (MEM) monitoring components. The sandwich-integrated BCL can be intimately attached to the eyeball, enabling closed-eye, wireless, and precise signal acquisition without interference. During the eye open and closed, the serpentine-geometry CIOP unit was validated on a rabbit model, achieving supered resolution (1 mmHg) and sensitivity (≥0.22 MHz mmHg−1) for reversible hypo- to hyper-IOP fluctuations. Ex vivo and in vivo MEM monitoring, based on composition-optimized magnetic interlayer film, demonstrated exceptional accuracy (≥97.25%) with eyes open and closed, surpassing existing methods. The collected CIOP and MEM data could be wirelessly aggregated and transmitted to portable devices via integrated acquisition modules within frame glasses for real-time eye healthcare. Emerging noninvasive and bimodal modalities reconcile the trade-off between minimal discomfort, eye status, and reliable measurement, spurring the widespread adoption of the integrated monitoring system for continuous ocular health monitoring. (Figure presented.) © The Author(s) 2025.

关键词： Ophthalmology

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Impedance analysis of Nb2O5 doped BaTiO3-Na0.5Bi0.5TiO3 ceramics

Impedance analysis of Nb2O5 doped BaTiO3-Na0.5Bi0.5TiO3 cera...

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IEEE International Symposium on Applications of Ferroelectrics (ISAF)

作者： Yue Sun Hanxing Liu Hua Hao Shujun Zhang State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Wuhan University of Technology Wuhan China Material Research Institute The Pennsylvania State University USA

BaTiO 3 -based MLCC materials were limited for high temperature applications (temperature range up to 200°C), due to their low Curie temperatures. The addition of Na 0.5 Bi 0.5 TiO 3 (NBT) component in BaTiO 3 (BT) based ceramics was found to increase the Curie temperature, without sacrificing the dielectric constant. The Curie temperature was reported to increase from 125°C to 156°C with addition up to 10mol%, making it possible to satisfy the X8R or X9R criterions. In addition, the small amount of Nb 2 O 5 dopant in the system leads to a diffused dielectric maxima and improved temperature stability. The NBT-BT with 2wt% Nb 2 O 5 addition was found to exhibit a core-shell structure, while maintaining the dielectric constant at about 2500. To analyze the electrical microstructure variation, the obtained impedance data was fitted by a 4RC equivalent circuit, corresponding to the core, shell, grain boundary, and ceramic/electrode interface regions. All the electrical properties, including the capacitance, activation energy, and conductivity could be well explained by using this equivalent circuit.

关键词： Niobium Ceramics Grain boundaries Dielectrics Impedance Temperature Conductivity

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processing research of AlN-BN composites fabricated by in situ reaction

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Wuhan Ligong Daxue Xuebao/Journal of Wuhan University of technology 2006年第1期28卷 1-3页

作者： Jia, Tie-Kun Wang, Wei-Min State Key Lab. of Advanced Technology for Material Synthesis and Processing Wuhan University of Technology Wuhan 430070 China

In situ reaction method was undertaken to fabricate A1N-BN composites in this paper. Factors including temperature, heat preservation time, and the ratio of Al to BN were investigated in this system. DTA and XRD were employed to character the phases of production. SEM was conducted to observe the microstructure of the samples. The results showed that the grains tended to perfect with the increasing of the sintering temperature and soaking time. Optimum parameters were temperature of 1000°C and 1.5 h for soaking time.

关键词： Aluminum nitride In situ reaction Sintering Temperature

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The preparation of oriented TiO2 nanotube films by electrophoretic deposition method without hard template and enhanced photocatalytic activity

The preparation of oriented TiO2 nanotube films by electroph...

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9th Chinese International Nanoscience and technology Symposium and the Nano-Products Exposition

作者： Zhao, Li Shen, Yi Wang, Shimin State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Wuhan University of Technology Luoshi Road 122# Wuhan 430070 China Ministry of Education Key Laboratory for the Green Preparation and Application of Functional Materials Hubei University Wuhan 430062 China Faculty of Material Science and Chemical Engineering China University of Geosciences Wuhan 430074 China

Highly oriented titanate nanotube (TNT) film was successfully synthesized by a simple electrophoretic deposition (EPD) method without any hard templates and surfactants. This oriented films adequately utilized the excellent properties of ID nanomaterials such as single crystal semiconductor architectures, large surface area, and superior charge transport, which lead to higher photocatalytic activity. We believe that this versatile method can be extent to fabricate other ordered ID nanomaterials films. Copyright © Taylor & Francis Group, LLC.

关键词： Yarn

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Properties AlN-BN composites fabricated by reaction hot-pressed sintering

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Gongneng Cailiao/Journal of Functional materials 2006年第SUPPL.期37卷 188-191页

作者： Jia, Tie-Kun Wang, Wei-Min Fu, Zheng-Yi Wang, Hao Zhao, Hai-Yang State Key Lab. of Advanced Technology for Material Synthesis and Processing Wuhan University of Technology Wuhan 430070 China

AlN was synthesized by in situ reaction with Al and BN in this paper. AlN-BN composites were fabricated by hot-pressed sintering without additives. The relationship between the ratio of Al to BN and microstructure and properties were studied. The results show that the content of AlN increases with the ratio of Al to BN increasing, and the density, hardness, bending strength, thermal conductivity and dielectric constant also increase with the ratio of Al to BN increasing. The results show that the samples with thermal conductivity 63.5 W/m·K and dielectric constant 8.76 are acquired by hot-pressed sintering under nitrogen atmosphere and two hours soaking time.

关键词： Ceramic materials

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