中文版 | English
Title

All-inorganic CsPb1-xSnxI2Br perovskites mediated by dicyandiamide additive for efficient 4-terminal tandem solar cell

Author
Corresponding AuthorYan,Keyou
Publication Years
2023-01-15
DOI
Source Title
ISSN
1385-8947
EISSN
1873-3212
Volume452
Abstract
Sn-Pb mixed perovskite solar cells (PSCs) have attracted research attention due to their application in tandem solar cells, but suffered from pin-hole morphology and device instability. In this work, dicyandiamide (DCD) is used as an antioxidative additive to regulate the crystallization and passivation of all-inorganic CsPbSnIBr film. The strong coordination bonding between DCD and Pb/Sn not only effectively eliminates the pin-holes but also inhibits the oxidation of Sn at low temperature. The power conversion efficiency (PCE) of inverted PSC (ITO/NiO/CsPbSnIBr:DCD/ZnO/PCBM/Ag) is improved from 10.53% to 14.17% (0.1 cm), which is also one of the highest efficiencies of all-inorganic Sn-Pb mixed PSC. Meanwhile, compare with the control devices, the target device exhibits better stability after a series of tests. In addition, combining semitransparent 1.92-eV-bandgap top PSC (ITO/NiO/CsPbIBr:DCD/TiSnO/IZO/MgF) with CsPbSnIBr:DCD (1.54 eV) bottom PSC, an efficiency of 19.61% is demonstrated in all-inorganic 4-terminal (4T) tandem PSC. This work paves the way towards efficient all-inorganic perovskite tandem solar cells.
Keywords
URL[Source Record]
Indexed By
Language
English
SUSTech Authorship
Others
Funding Project
National Natural Science Foundation of China[U2001217] ; Guangdong Science and Technology Program["2020B121201003","2019ZT08L075","2019QN01L118"]
WOS Research Area
Engineering
WOS Subject
Engineering, Environmental ; Engineering, Chemical
WOS Accession No
WOS:000887235000003
Publisher
ESI Research Field
ENGINEERING
Scopus EID
2-s2.0-85139999209
Data Source
Scopus
Citation statistics
Cited Times [WOS]:5
Document TypeJournal Article
Identifierhttp://kc.sustech.edu.cn/handle/2SGJ60CL/406880
DepartmentDepartment of Electrical and Electronic Engineering
Affiliation
1.School of Environment and Energy,State Key Laboratory of Luminescent Material and Devices,Guangdong Provincial Key Laboratory of Solid Wastes Pollution Control and Recycling,South China University of Technology,Guangzhou,Guangdong,510000,China
2.Guangdong University Key Laboratory for Advanced Quantum Dot Displays and Lighting,Department of Electrical & Electronic Engineering,Southern University of Science and Technology,Shenzhen,518055,China
Recommended Citation
GB/T 7714
Wen,Qiaoyun,Duan,Chenghao,Zou,Feilin,et al. All-inorganic CsPb1-xSnxI2Br perovskites mediated by dicyandiamide additive for efficient 4-terminal tandem solar cell[J]. CHEMICAL ENGINEERING JOURNAL,2023,452.
APA
Wen,Qiaoyun.,Duan,Chenghao.,Zou,Feilin.,Luo,Dou.,Li,Jiong.,...&Yan,Keyou.(2023).All-inorganic CsPb1-xSnxI2Br perovskites mediated by dicyandiamide additive for efficient 4-terminal tandem solar cell.CHEMICAL ENGINEERING JOURNAL,452.
MLA
Wen,Qiaoyun,et al."All-inorganic CsPb1-xSnxI2Br perovskites mediated by dicyandiamide additive for efficient 4-terminal tandem solar cell".CHEMICAL ENGINEERING JOURNAL 452(2023).
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