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Vapor incubation of FASnI3films for efficient and stable lead-free inverted perovskite solar cells
Ligang Xu1,2; Chi Zhang1; Xiangyun Feng1; Wenxuan Lv1; Zu Qiang Huang1; Wenzhen Lv1; Chao Zheng1; Guichuan Xing3; Wei Huang1,4; Runfeng Chen1
2021-08-21
Source PublicationJournal of Materials Chemistry A
ISSN2050-7488
Volume9Issue:31Pages:16943-16951
Other Abstract

Tin perovskites with a narrow bandgap and high carrier mobility are highly attractive for environmentally friendly perovskite solar cells (PSCs), but the Sn-based PSCs are still less efficient and stable owing to the less perfect tin perovskite films. Here, we report a simple and efficient method to produce high-quality FASnI3 films by establishing a solvent vapor environment without using additional additives to manipulate both the nucleation and crystal growth of perovskites at the very early stage of perovskite formation. The smooth morphology, large grain size and low trap state density of the tin perovskite films in preferred orientations were realized. Sn-based inverted PSCs show power conversion efficiency over 10% along with high device stability that retains 83 and 82% of initial performances for 600 h under continuous illumination and for 1000 h in a N2 environment. These performances, which are among the best results of FASnI3-based PSCs, demonstrate the impressive advantages of the vapor-incubation strategy in preparing preferred perovskite films for high-performance lead-free devices.

DOI10.1039/d1ta04722a
URLView the original
Indexed BySCIE
Language英語English
WOS Research AreaChemistry ; Energy & Fuels ; Materials Science
WOS SubjectChemistry, Physical ; Energy & Fuels ; Materials Science, Multidisciplinary
WOS IDWOS:000679992500001
PublisherROYAL SOC CHEMISTRY,THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS, ENGLAND
Scopus ID2-s2.0-85112495650
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Cited Times [WOS]:3   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionUniversity of Macau
Corresponding AuthorGuichuan Xing; Runfeng Chen
Affiliation1.Key Laboratory for Organic Electronics and Information Displays, Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM), Nanjing University of Posts & Telecommunications, Nanjing, 9 Wenyuan Road, 210023, China
2.Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan, Hubei, 430074, China
3.Joint Key Laboratory of the Ministry of Education, Institute of Applied Physics and Materials Engineering, University of Macau, Avenida da Universidade, Taipa, 999078, Macao
4.Frontiers Science Center for Flexible Electronics (FSCFE), Shaanxi Institute of Flexible Electronics (SIFE), Shaanxi Institute of Biomedical Materials and Engineering (SIBME), Northwestern Polytechnical University (NPU), Xi'an, 127 West Youyi Road, 710072, China
Corresponding Author AffilicationINSTITUTE OF APPLIED PHYSICS AND MATERIALS ENGINEERING
Recommended Citation
GB/T 7714
Ligang Xu,Chi Zhang,Xiangyun Feng,et al. Vapor incubation of FASnI3films for efficient and stable lead-free inverted perovskite solar cells[J]. Journal of Materials Chemistry A,2021,9(31):16943-16951.
APA Ligang Xu,Chi Zhang,Xiangyun Feng,Wenxuan Lv,Zu Qiang Huang,Wenzhen Lv,Chao Zheng,Guichuan Xing,Wei Huang,&Runfeng Chen.(2021).Vapor incubation of FASnI3films for efficient and stable lead-free inverted perovskite solar cells.Journal of Materials Chemistry A,9(31),16943-16951.
MLA Ligang Xu,et al."Vapor incubation of FASnI3films for efficient and stable lead-free inverted perovskite solar cells".Journal of Materials Chemistry A 9.31(2021):16943-16951.
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