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Solution-processed and annealing-free zirconium acetylacetonate electron-selective contacts for efficient crystalline silicon solar cells
Yao, Lingze1,2; Ying, Zhiqin1,4; Wang, Wei1,5; Yang, Zhenhai1,6; Sun, Juanjuan1,2; Wang, Xinlong1,5; Yang, Xi1; Zeng, Yuheng1; Yan, Baojie1; Xu, Xiaoliang3; Ye, Jichun1
2021-02-01
Source PublicationSolar Energy
ISSN0038-092X
Volume215Pages:410-415
Abstract

The interfaces between n-type silicon (n-Si) and metal electrode contact have enormous influences on the performance and stability of silicon solar cells. Recently, it has been proven that the carrier-selective contact (CSC) is an effective strategy to improve the device efficiency. Herein, a solution-processed and annealing-free zirconium acetylacetonate (ZrAcac) layer is used as an electron-selective contact for fabricating efficient crystalline silicon solar cell. This contact scheme enabled a reduction in both the contact resistivity and the work function at the interface between n-Si and Al, which can be attributed to the dipole formation at the contact interface induced by charge transfer. The application of this ZrAcac based contact was shown to consistently improve all device parameters reaching a maximum power conversion efficiency of 17.8% with a high fill factor of 81.1%, and greatly improve the device stability. This work demonstrated that the ZrAcac layer can provide sufficient energy alignment and enhanced carrier selectivity for efficient and stable photovoltaic devices.

KeywordCarrier-selective Contact Dipole Silicon Solar Cell Zirconium Acetylacetonate
DOI10.1016/j.solener.2020.12.048
URLView the original
Indexed BySCIE
Language英語English
WOS Research AreaEnergy & Fuels
WOS SubjectEnergy & Fuels
WOS IDWOS:000615999900010
Scopus ID2-s2.0-85099630913
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Cited Times [WOS]:2   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionUniversity of Macau
Corresponding AuthorYang, Xi; Ye, Jichun
Affiliation1.Ningbo Institute of Material Technology and Engineering, Chinese Academy of Sciences, Ningbo, 315201, China
2.Nano Science and Technology Institute, University of Science and Technology of China, Suzhou, 215123, China
3.Department of Physics, University of Science and Technology of China, Hefei, 230026, China
4.Joint Key Laboratory of the Ministry of Education, Institute of Applied Physics and Materials Engineering, University of Macau, Taipa, Avenida da Universidade, 999078, Macao
5.University of Chinese Academy of Sciences, Beijing, 100049, China
6.Department of Electrical and Electronic Engineering, Faculty of Science and Engineering, The University of Nottingham, Ningbo, 315100, China
Recommended Citation
GB/T 7714
Yao, Lingze,Ying, Zhiqin,Wang, Wei,et al. Solution-processed and annealing-free zirconium acetylacetonate electron-selective contacts for efficient crystalline silicon solar cells[J]. Solar Energy,2021,215:410-415.
APA Yao, Lingze,Ying, Zhiqin,Wang, Wei,Yang, Zhenhai,Sun, Juanjuan,Wang, Xinlong,Yang, Xi,Zeng, Yuheng,Yan, Baojie,Xu, Xiaoliang,&Ye, Jichun.(2021).Solution-processed and annealing-free zirconium acetylacetonate electron-selective contacts for efficient crystalline silicon solar cells.Solar Energy,215,410-415.
MLA Yao, Lingze,et al."Solution-processed and annealing-free zirconium acetylacetonate electron-selective contacts for efficient crystalline silicon solar cells".Solar Energy 215(2021):410-415.
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