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Manipulating hot carrier cooling in silicon phononic crystals opens new application opportunities

Chinese Chemical Letters 2023年第9期34卷 1-2页

作者： Peng Zhou Shaojuan Lu Wangnan Li Shulai Lei State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Wuhan University of TechnologyWuhan 430070China Hubei Key Laboratory of Low Dimensional Optoelectronic Materials and Devices Hubei University of Arts and ScienceXiangyang 441053China Hubei Institute of Aerospace Chemotechnology Xiangyang 441003China Hubei Longzhong Laboratory Xiangyang 441000China

Phononic crystals(PnCs)have had a multiple of important and promising applications such as sonic diodes,acoustic cloaking,optomechanic,and thermoelectrics[1–5].Undoubtably,it is of significance to explore new finding... 详细信息

关键词： diodes application finding

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Self-assembled monolayers(SAMs)in inverted perovskite solar cells and their tandem photovoltaics application

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Interdisciplinary materials 2024年第2期3卷 203-244页

作者： Zijun Yi Xin Li Yuchen Xiong Guibin Shen Wenguang Zhang Yihuai Huang Qinghui Jiang Xin Ren Ng Yubo Luo Jianghui Zheng Wei Lin Leong Fan Fu Tongle Bu Junyou Yang State Key Laboratory of Material Processing and Die&Mould Technology Huazhong University of Science and TechnologyWuhanChina China‐Eu Institute for Clean and Renewable Energy Huazhong University of Science and TechnologyWuhanChina School of Electrical and Electronic Engineering Nanyang Technological UniversitySingaporeSingapore Department of Chemistry National University of SingaporeSingaporeSingapore School of Physics The University of SydneySydneyNew South WalesAustralia Laboratory for Thin Films and Photovoltaics Empa‐Swiss Federal Laboratories for Materials Science and TechnologyDübendorfSwitzerland State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Wuhan University of TechnologyWuhanChina

Self-assembled monolayers(SAMs)employed in inverted perovskite solar cells(PSCs)have achieved groundbreaking progress in device efficiency and stability for both single-junction and tandem configurations,owing to their distinctive and versatile ability to manipulate chemical and physical interface *** this regard,we present a comprehensive review of recent research advancements concerning SAMs in inverted perovskite singlejunction and tandem solar cells,where the prevailing challenges and future development prospects in the applications of SAMs are *** thoroughly examine the mechanistic roles of diverse SAMs in energy-level regulation,interface modification,defect passivation,and charge *** is achieved by understanding how interfacial molecular interactions can be finely tuned to mitigate charge recombination losses in inverted *** this comprehensive review,we aim to provide valuable insights and references for further investigation and utilization of SAMs in inverted perovskite single‐junction and tandem solar cells.

关键词： inverted perovskite solar cells power conversion efficiency self-assembled monolayers tandem

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ZrO2-CPS/ZrO2 graded composite ceramics with high osteoinductivity for dental implants fabricated by stereolithography

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Ceramics International 2025年第16期51卷 21900-21912页

作者： Wu, Jiaxin Li, Zhi Meng, Xingliang Cheng, Bo Yang, Jing Li, Binbin Wang, Xinyu State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Wuhan University of Technology Wuhan430070 China Foshan Xianhu Laboratory of the Advanced Energy Science and Technology Guangdong Laboratory Xianhu Hydrogen Valley Foshan528200 China Hainan Institute Wuhan University of Technology Sanya572000 China Biomedical Materials and Engineering Research Center of Hubei Province Wuhan University of Technology Wuhan430070 China School of Foreign Languages Wuhan University of Technology Wuhan430070 China Department of Stomatology Zhongnan Hospital of Wuhan University Wuhan430060 China

Promoting mechanical strength and osteoinductivity properties is crucial for dental implants materials. Herein, we synthesized silicocarnotite (CPS) powder via a hydrothermal method, and mixed it with zirconia to create a composite material for preparing four slurries: xCPS-(1−x)ZrO2 (x = 0, 1/6, 1/3, and 1/2 vol%). The optimal printing parameters for each slurry were investigated. Following the printing of the slurries, debinding was performed on them in the temperature range of 25 °C–600 °C in nitrogen atmosphere and 600 °C–1000 °C in air atmosphere, respectively, followed by sintering at 1350 °C for 2 h. The graded zirconia-based composite ceramics prepared using stereolithography (SLA) exhibited excellent mechanical properties, including a flexural strength of 742.37 ± 22.52 MPa, Vickers hardness of 7.29 ± 0.15 GPa, fracture toughness of 5.34 ± 0.29 MPa m1/2, and a relative density of 96.3 %. Compared with zirconia ceramics, the graded composite ceramics displayed higher surface roughness. The graded composite ceramics degraded and released Ca, Si, and P ions, promoting MC3T3-E1 cells proliferation, adhesion, and osteogenic differentiation. These findings suggest that ZrO2-CPS/ZrO2 graded composite ceramics synthesized via SLA holds great potential as dental implants with high osteoinductivity. © 2025

关键词： Fracture toughness

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Visualization of charge carriers in photocatalysts

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国家科学评论（英文版） 2023年第9期10卷 116-118页

作者： Si-Ming Wu Markus Antonietti Xiao-Yu Yang State Key Laboratory of Advanced Technology for Materials Synthesis and Processing and Laoshan Laboratory Wuhan University of TechnologyChina Department of Colloid Chemistry Max Planck Institute of Colloids and InterfacesGermany

Semiconductors can generate excited charge carriers for photo-or electro-chemical reactions such as water splitting for H2 ***,the dynamic charge-transfer process has been directly observed to reveal the photocatalyti...

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Idea of macro-scale and micro-scale prestressed ceramics

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Interdisciplinary materials 2024年第6期3卷 897-906页

作者： Junfeng Gu Shuai Fu Hang Ping Wei Ji Ji Zou Hao Wang Weimin Wang Fan Zhang Hanxing Liu Zhengyi Fu State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Wuhan University of TechnologyWuhanChina School of Materials Science and Engineering Wuhan University of TechnologyWuhanChina

The brittleness of ceramics restricts their engineering *** is promising to solve the problem,yet still lacks enough attention and ex-tensive *** work proposes the idea of macro-scale and micro-scale prestressed ceramics:to form compressive prestress in macro-or micro-scale range in the ceramics by designed additional force,which offsets the fracture stress at the crack tips,then enhances the strength of *** macro-scale prestressed ceramic has a designed long-range ordering stress distribution in a large scale,similar to the reinforced concrete and tempered *** micro-scale ceramic has a designed short-range ordered stress dis-tribution,similar to that in the natural *** constructing the macro-scale and micro-scale prestressed ceramics are *** research interests and challenges are prospected for developing the mechan-ical properties of ceramics.

关键词： macro-scale micro-scale prestressed ceramics strength

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ZIF-Mediated Anchoring of Co species on N-doped Carbon Nanorods as an Efficient Cathode Catalyst for Zn-Air Batteries

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Energy & Environmental materials 2023年第3期6卷 257-263页

作者： Qiang Yu Jianshuai Lv Jiantao Li Ruohan Yu Jinsong Wu Shibo Xi Xinyuan Li Nuo Xu Liang Zhou Liqiang Ma State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Wuhan University of TechnologyWuhan 430070China Qingdao National Laboratory for Marine Science and Technology Qingdao 266237China Nanostructure Research Centre Wuhan University of TechnologyyWuhan 430070China Institute of Chemical and Engineering Sciences A*STAR(Agency for ScienceTechnology and Research)Singapore 627833Singapore School of Science Wuhan University of TechnologyWuhan 430070China

Developing efficient oxygen reduction reaction(ORR)catalyst is essential for the practical application of Zn-air batteries(ZABs).In this contribution,we develop a novel zeolitic imidazolate framework(ZIF)-mediated strategy to anchor Co species on N-doped carbon nanorods for efficient *** ultrahigh N-doping(10.29 at.%),monodisperse Co nanocrystal decoration,and well-dispersed Co-N_(x)functionalization,the obtained Co-decorated N-doped carbon nanorods(Co@NCNR)exhibit a decent ORR performance comparable to commercial Pt/C in alkaline *** ZABs have been assembled using Co@NCNR as the cathode *** assembled ZABs manifest high initial open-circuit voltage as well as high energy *** addition,the Co@NCNR also demonstrates ideal ORR performance in quasi-solid-state ZABs.

关键词： Co nanocrystals Co-N_(x) N-doped carbon oxygen reduction reaction Zn-air battery

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Two-Dimensional materials for Highly Efficient and Stable Perovskite Solar Cells

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Nano-Micro Letters 2024年第10期16卷 176-212页

作者： Xiangqian Shen Xuesong Lin Yong Peng Yiqiang Zhang Fei Long Qifeng Han Yanbo Wang Liyuan Han State Key Laboratory of Metal Matrix Composites Shanghai Jiao Tong UniversityShanghai 200240People's Republic of China Xinjiang Key Laboratory of Solid State Physics and Devices School of Physical Science and TechnologyXinjiang UniversityUrumqi 830046People's Republic of China Special Division of Environmental and Energy Science College of Arts and SciencesKomaba Organization for Educational ExcellenceUniversity of TokyoTokyo 153-8902Japan State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Wuhan University of TechnologyWuhan 430070People's Republic of China College of Chemistry Henan Institute of Advanced TechnologyZhengzhou UniversityZhengzhou 450001People's Republic of China Guangxi Key Laboratory of Optical and Electronic Materials and Devices Collaborative Innovation Center for Exploration of Nonferrous Metal Deposits and Efficient Utilization of ResourcesSchool of Materials Science and EngineeringGuilin University of TechnologyGuilin 541004People's Republic of China

Perovskite solar cells(PSCs)offer low costs and high power conversion ***,the lack of long-term stability,primarily stemming from the interfacial defects and the sus-ceptible metal electrodes,hinders their practical *** the past few years,two-dimensional(2D)materials(e.g.,graphene and its derivatives,transitional metal dichalcogenides,MXenes,and black phosphorus)have been identified as a promising solution to solving these problems because of their dangling bond-free surfaces,layer-dependent electronic band structures,tunable functional groups,and inherent ***,recent progress of 2D material toward efficient and stable PSCs is summarized,including its role as both interface materials and *** discuss their beneficial effects on perovskite growth,energy level alignment,defect passivation,as well as blocking external *** particular,the unique properties of 2D materials to form van der Waals heterojunction at the bottom interface are ***,perspectives on the further development of PSCs using 2D materials are provided,such as designing high-quality van der Waals heterojunction,enhancing the uniformity and coverage of 2D nanosheets,and developing new 2D materials-based electrodes.

关键词： Perovskite solar cells Two-dimensional materials Interface engineering Van der Waals heterojunction Electrodes

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Synergistically enhancing cycleability and rate performance of sodium titanate nanowire anode via hydrogenation and carbon coating for advanced sodium ion batteries

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Rare Metals 2022年第12期41卷 4075-4085页

作者： De-Liang Ba Wei-Hua Zhu Yuan-Yuan Li Jin-Ping Liu School of Optical and Electronic Information Huazhong University of Science and TechnologyWuhan 430074China School of Chemistry Chemical Engineering and Life ScienceState Key Laboratory of Advanced Technology for Materials Synthesis and ProcessingWuhan University of TechnologyWuhan 430070China State Center for International Cooperation on Designer Low-Carbon and Environmental Materials and School of Materials Science and Engineering Zhengzhou UniversityZhengzhou 450001China

Layered alkali-metal titanate materials are considered as attractive anodes for sodium ion batteries due to their favorable safety and low ***,their practical implementation faces major challenges of low electronic conductivity and inevitable volume variation during Na^(+)intercalation and de-intercalation,which are generally difficult to conquer by a single modification ***,a synergistic ally enhancing strategy to promote the electrochemical performance of Na_(2)Ti_(2)O_(5)nanowire array anode via simultaneous hydrogenation and carbon coating is *** leads to partially reduced titanium;together with conductive carbon layer,it endows Na_(2)Ti_(2)O_(5)with fast electron transport and structural *** resulting H-Na_(2)Ti_(2)O_(5)@C anode exhibits enhanced rate capability(8.0C,165 mAh·g^(-1))and stable cycle performance up to 1000 times in sodium-ion half-cells(the capacity of H-Na_(2)Ti_(2)O_(5)without carbon fades drastically after only 100 cycles).In addition,a newcoupling full cell is further designed with graphene hybridized high-voltage Na_(3)(VO_(0.5))_(2)(PO4)_(2)F_(2)as cathode,capable of delivering a high specific energy density of 212.1 Wh·kg^(-1)(based on the mass of both anode and cathode)and good rate and cycling *** work may offer inspiration for synergistic optimization of electrode materials for advanced electrochemical energy storage devices.

关键词： Sodium ion batteries(SIBs) Na2Ti2O5 nanowire Hydrogenation Carbon coating Enhanced performance

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具有协同吸附-催化效应的莫特-肖特基异质结构修饰隔膜助力锂硫电池

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Science China materials 2023年第6期66卷 2181-2191页

作者：谷佳佩冬晨旭周铖沈春丽皮玉强许絮 State Key Laboratory of Advanced Technology for Materials Synthesis and Processing International School of Materials Science and EngineeringWuhan University of TechnologyWuhan 430070China School of Chemistry and Materials Science Hubei Engineering UniversityXiaogan 432000China

锂硫电池(LSBs)的实际应用受到硫利用率低、严重的穿梭效应和缓慢的氧化还原反应的限制.本工作通过使用新型莫特-肖特基异质结构对隔膜进行改性的策略有效地缓解上述问题.具体而言,这种特殊结构通过导电聚合物聚吡咯(PPy)在Bi_(2)MoO_(6... 详细信息

锂硫电池(LSBs)的实际应用受到硫利用率低、严重的穿梭效应和缓慢的氧化还原反应的限制.本工作通过使用新型莫特-肖特基异质结构对隔膜进行改性的策略有效地缓解上述问题.具体而言,这种特殊结构通过导电聚合物聚吡咯(PPy)在Bi_(2)MoO_(6)纳米片表面原位聚合形成Bi_(2)MoO_(6)-PPy纳米片来合成.基于Bi_(2)MoO_(6)-PPy纳米片的强吸附效应、高催化活性和内置电场,这种新型异质结构可以降低多硫化物上的氧化还原能垒.使用由Bi_(2)MoO_(6)-PPy纳米片改性的功能隔膜组装的电池显示出良好的循环稳定性,在2 C下500次循环中,每次循环的容量衰减低至0.045%.此外,即使在高硫负载(7.5 mg cm^(-2))下,电池在80次循环后仍显示出6.3mA h cm^(-2)的面积容量.因此,Bi_(2)MoO_(6)-PPy纳米片改性隔膜(Bi_(2)MoO_(6)-PPy@PP隔膜)有效地抑制了穿梭效应,为锂硫电池高效催化剂的应用提供了有效策略.

关键词：锂硫电池穿梭效应导电聚合物容量衰减异质结构催化效应肖特基多硫化物

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NiFeRuO_(x)nanosheets on Ni foam as an electrocatalyst for efficient overall alkaline seawater splitting

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Frontiers of Chemical Science and Engineering 2023年第11期17卷 1698-1706页

作者： Yu Liu Lin Chen Yong Wang Yuan Dong Liang Zhou Susana ICórdoba de Torresi Kenneth IOzoemena Xiao-Yu Yang State Key Laboratory of Advanced Technology for Materials Synthesis and Processing&International School of Materials Science and Engineering&School of Materials Science and Engineering&Shenzhen Research Institute&Laoshan Laboratory Wuhan University of TechnologyWuhan 430070China Instituto de Química Universidade de São Paulo05508-080 São PauloBrazil Molecular Sciences Institute School of ChemistryUniversity of the WitwatersrandJohannesburg 2050South Africa

The electrocatalyst NiFeRuO_(x)/NF,comprised of NiFeRuO_(x)nanosheets grown on Ni foam,was synthesized using a hydrothermal process followed by thermal ***_(x)/NF displays high electrocatalytic activity and stability for overall alkaline seawater splitting:98 mV@10 mA∙cm^(−2)in hydrogen evolution reaction,318 mV@50 mA∙cm^(−2)in oxygen evolution reaction,and a cell voltage of 1.53 V@10 mA∙cm^(−2),as well as 20 h of durability.A solar-driven system containing such a bifunctional NiFeRuO_(x)/NF has an almost 100%Faradaic *** NiFeRuO_(x)coating around Ni foam is an anti-corrosion layer and also a critical factor for enhancement of bifunctional performances.

关键词： NiFeRuO_(x)nanosheets Ni foam electrocatalysis overall seawater splitting solar-driven system

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