CAS OpenIR  > 多相复杂系统国家重点实验室
High-Performance GaAs Nanowire Solar Cells for Flexible and Transparent Photovoltaics
Han, Ning1,2; Yang, Zai-xing2,3,4; Wang, Fengyun5; Dong, Guofa2,4; Yip, SenPo2,3,4; Liang, Xiaoguang2; Hung, Tak Fu2; Chen, Yunfa1; Ho, Johnny C.2,3,4
2015-09-16
Source PublicationACS APPLIED MATERIALS & INTERFACES
ISSN1944-8244
Volume7Issue:36Pages:20454-20459
Abstract

Among many available photovoltaic technologies at present, gallium arsenide (GaAs) is one of the recognized leaders for performance and reliability; however, it is still a great challenge to achieve cost-effective GaAs solar cells for smart systems such as transparent and flexible photovoltaics. In this study, highly crystalline long GaAs nanowires (NWs) with minimal crystal defects are synthesized economically by chemical vapor deposition and configured into novel Schottky photovoltaic structures by simply using asymmetric Au-Al contacts. Without any doping profiles such as p-n junction and complicated coaxial junction structures, the single NW Schottky device shows a record high apparent energy conversion efficiency of 16% under air mass 1.5 global illumination by normalizing to the projection area of the NW. The corresponding photovoltaic output can be further enhanced by connecting individual cells in series and in parallel as well as by fabricating NW array solar cells via contact printing showing an overall efficiency of 1.6%. Importantly, these Schottky cells can be easily integrated on the glass and plastic substrates for transparent and flexible photovoltaics, which explicitly demonstrate the outstanding versatility and promising perspective of these GaAs NW Schottky photovoltaics for next-generation smart solar energy harvesting devices.

KeywordGaas Nanowires Schottky Contact Photovoltaics Output Reinforcement Transparent And Flexible Solar Cells
SubtypeArticle
WOS HeadingsScience & Technology ; Technology
DOI10.1021/acsami.5b06452
Indexed BySCI
Language英语
WOS KeywordLIGHT-ABSORPTION ; EFFICIENCY ; ELECTRONICS ; MOBILITY ; NANOSTRUCTURES ; INTERFACES ; DEVICES ; SENSORS ; SILICON ; DESIGN
WOS Research AreaScience & Technology - Other Topics ; Materials Science
WOS SubjectNanoscience & Nanotechnology ; Materials Science, Multidisciplinary
WOS IDWOS:000361501700068
Citation statistics
Cited Times:24[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/19570
Collection多相复杂系统国家重点实验室
Affiliation1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
2.City Univ Hong Kong, Dept Phys & Mat Sci, Kowloon Tong, Hong Kong, Peoples R China
3.City Univ Hong Kong, State Key Lab Millimeter Waves, Kowloon Tong, Hong Kong, Peoples R China
4.City Univ Hong Kong, Shenzhen Res Inst, Shenzhen 518057, Peoples R China
5.Qingdao Univ, Cultivat Base State Key Lab, Qingdao 266071, Peoples R China
Recommended Citation
GB/T 7714
Han, Ning,Yang, Zai-xing,Wang, Fengyun,et al. High-Performance GaAs Nanowire Solar Cells for Flexible and Transparent Photovoltaics[J]. ACS APPLIED MATERIALS & INTERFACES,2015,7(36):20454-20459.
APA Han, Ning.,Yang, Zai-xing.,Wang, Fengyun.,Dong, Guofa.,Yip, SenPo.,...&Ho, Johnny C..(2015).High-Performance GaAs Nanowire Solar Cells for Flexible and Transparent Photovoltaics.ACS APPLIED MATERIALS & INTERFACES,7(36),20454-20459.
MLA Han, Ning,et al."High-Performance GaAs Nanowire Solar Cells for Flexible and Transparent Photovoltaics".ACS APPLIED MATERIALS & INTERFACES 7.36(2015):20454-20459.
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