BAND_GAP

作品数：264被引量：364H指数：8
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In situ seed layer bandgap engineering leading to the conduction band offset reversion and efficient Sb_(2)Se_(3)solar cells with high open-circuit voltage
《Journal of Energy Chemistry》2025年第2期201-212,I0006,共13页Yanting Jiang Weiyu Wang Zhirong Chen Zhenyu Fang Qiqiang Zhu Qiao Zheng Jionghua Wu Hui Deng Weihuang Wang Shuying Cheng 
supported by the National Natural Science Foundation of China(62305064);the Research Start-up Fund for Young Teachers of Fuzhou University(602592);the Young and Middleaged Teacher Education Research Project of Fujian Province(JAT220011);the Fujian Science&Technology Innovation Laboratory Optoelectronic Information of China(Grant No.2021ZZ124).
Sb_(2)Se_(3)solar cells have achieved a power conversion efficiency(PCE)of over 10%.However,the serious open-circuit voltage deficit(VOC-deificit),induced by the hard-to-control crystal orientation and heterojunction ...
关键词：Seed-layer Crystal orientation Carrier transport Open circuit voltage deficit Band gap alignment 
Modeling of Sandwich MRE Resonator and Band Gap Adjustment of Metamaterial Beam
《Acta Mechanica Solida Sinica》2024年第6期844-857,共14页Zhihong Gao Xueyi Zhang Yu Xue Jinhui Liu Jinqiang Li Zhiguang Song 
supported by the National Natural Science Foundation of China(No.12072084);Fundamental Research Funds for the Central Universities.
A model of a sandwich magnetorheological elastomer(MRE)beam with a concentrated mass attached to one end is proposed to analyze the resonance characteristics of the cantilever beam-mass resonator.This model of sandwic...
关键词：Sandwich beam MRE metamaterial Band gap Vibration suppression Finite element method 
Effect of Tacticity on the Dynamic Response of Chiral Mechanical Metamaterials
《Acta Mechanica Solida Sinica》2024年第6期979-988,共10页Pengcheng Zhao Zhigang Wang Xiaojun Zhu Tingting Wang Kai Zhang 
supported by the national natural science foundation of China(Grant No.12172297);the open foundation of state key laboratory of structural analysis for industrial equipment(GZ22106);the fundamental research funds for the central universities.
In this work,a tacticity strategy is proposed to adjust the mechanical properties of chiral mechanical metamaterials for vibration isolation.By applying the finite element method,the impact of tacticity on tensile def...
关键词：Wave propagation 1D chiral mechanical metamaterial Band gap Vibration attenuation 
Langmuir-Schaefer Film Investigation and Density Functional Theory Band Gap Calculations of Calix[n]arene-Para-Aminobenzoic Acid for Drug Nanosensor Application
《Journal of Wuhan University of Technology(Materials Science)》2024年第5期1311-1318,共8页WONG Yeong Yi F L Supian A Radzwan M Musa N F N Abd Karim 
Funded by the Sultan Idris Education University(UPSI)(No.2020-0256-103-02(FRGS/1/2020/STG07/UPSI/02/2))provided by the Ministry of Higher Education,Malaysia。
Calix[n]arenes was utilized to detect PABA,the primary sunscreen component.This study investigates the interaction of calix[4]arene(C4),calix[6]arene(C6),and PABA using the Langmuir method and first-principle density ...
关键词：calix[n]arenes band gap density functional theory Langmuir-Schaefer PABA sensor 
Optoelectronic and thermoelectric properties of spinel chalcogenides HgLa_(2)X_(4)(X=S and Se):A first-principles study
《Journal of Rare Earths》2024年第10期1927-1936,共10页Aparna Dixit Inas AAhmed Jisha Annie Abraham Zeinhom MEl-Bahy Mumtaz Manzoor Sajad Ahmad Dar Ramesh Sharma 
Deanship of Scientific Research at King Khalid University for funding this work through large group Research Project under grant number RGP2/82/44。
We investigated spinel chalcogenides HgLa_(2)(S/Se)_(4)by using density function theory,and scrutinized the structural,optical,electrical,mechanical and thermoelectric transport characteristics of HgLa_(2)(S/Se)_(4)sp...
关键词：Density functional theory Direct band gap OPTOELECTRONIC Thermoelectric Semiconductors Power factor 
Study the Structural, Electronic, Optical Properties of CZTS Compound after Doping Ba at Zn Site and Si at Sn Site Using Density Functional Theory (DFT)
《Materials Sciences and Applications》2024年第9期305-319,共15页Fatema Najrin Rabeya Bakar Sarna Sayedul Hasan Shariful Islam Budrun Neher Md. Mahbubur Rahman Bhuiyan Farid Ahmed 
The structural, electronic, and optical properties of Cu2Zn1−xBaxSn1−ySiyS4 compounds have been calculated using GGA-PBE function within the framework of Density Functional Theory (DFT). In the present work, lattice p...
关键词：Photovoltaics Absorber Layer Density Functional Theory (DFT) Band Gap Solar Cell 
Optimal design for rubber concrete layered periodic foundations based on the analytical approximations of band gaps and mapping relations
《Earthquake Engineering and Engineering Vibration》2024年第3期593-608,共16页Wu Qiaoyun Xu Zhifeng Xu Peishan Zeng Wenxuan Chen Xuyong 
National Natural Science Foundation of China under Grant Nos.52078395 and 52178301;the Open Projects Foundation of the State Key Laboratory for Health and Safety of Bridge Structures under Grant No.BHSKL19-07-GF;the Dawn Program of Knowledge Innovation Project from the Bureau of Science and Technology of Wuhan Municipality under Grant No.2022010801020357;the Science Research Foundation of Wuhan Institute of Technology under Grant No.K2021030。
The seismic performance of rubber concrete-layered periodic foundations are significantly influenced by their design,in which the band gaps play a paramount role.Aiming at providing better designs for these foundation...
关键词：periodic foundation band gap vibration attenuation seismic isolation optimal design 
Research on embedded locally resonant metamaterials used for vibration attenuation of thin-walled workpieces in mirror milling
《Acta Mechanica Sinica》2024年第8期1-16,共16页Bei Ding Wei Wang Juliang Xiao Zhiqiang Wu Cheng Liu 
supported by the National Natural Science Foundation of China(Grant Nos.12172248,12021002,12302022,12132010);Tianjin Research Program of Application Foundation and Advanced Technology(Grant No.22JCQNJC00780);the IoT Standards and Application Key Laboratory of the Ministry of Industry and Information Technology(Grant No.202306).
The shell composed of large-scale parts is the essential component of mechanical structures in the aerospace,shipping,and railway industries.These workpieces are characterized by thin walls and weak rigidity,thus requ...
关键词：Local resonance Band gap Thin-walled workpieces Vibration suppression 
Manipulation of band gap in 1T-TiSe_(2) via rubidium deposition
《Chinese Physics B》2024年第8期102-106,共5页欧仪 陈磊 信子鸣 任宇靖 袁鹏浩 王政国 朱玉 陈景芝 张焱 
Project supported by the National Key Research and Development Program of China (Grant Nos.2022YFA1403502 and 2018YFA0305602);the National Natural Science Foundation of China (Grant No.11888101);SSRF is supported by ME2 project under contract No.11227901 from the National Natural Science Foundation of China。
The 1T-TiSe_(2) is a two-dimensional charge-density-wave(CDW)material that attracts great interest.A small band gap locates at the Fermi level separating the Ti d-bands and Se p-bands,which makes 1T-TiSe_(2) a promisi...
关键词：angle-resolved photoemission spectroscopy metal–insulator transition transition metal dichalcogenides 
Ultra-wide band gap and wave attenuation mechanism of a novel star-shaped chiral metamaterial被引量：1
《Applied Mathematics and Mechanics(English Edition)》2024年第7期1261-1278,共18页Shuo WANG Anshuai WANG Yansen WU Xiaofeng LI Yongtao SUN Zhaozhan ZHANG Qian DING G.D.AYALEW Yunxiang MA Qingyu LIN 
supported by the National Natural Science Foundation of China(Nos.12372019,12072222,12132010,12021002,and 11991032);the Open Projects of State Key Laboratory for Strength and Structural Integrity of China(No.ASSIKFJJ202303002);the State Key Laboratory of Mechanical Behavior and System Safety of Traffic Engineering Structures of China(No.SKLTESKF1901);the Aeronautical Science Foundation of China(No.ASFC-201915048001)。
A novel hollow star-shaped chiral metamaterial(SCM)is proposed by incorporating chiral structural properties into the standard hollow star-shaped metamaterial,exhibiting a wide band gap over 1500 Hz.To broaden the ban...
关键词：METAMATERIAL ultra-wide band gap wave propagation vibration suppression 
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