CAS OpenIR  > 中科院上海应用物理研究所2011-2020年
Highly Thermostable and Efficient Formamidinium-Based Low-Dimensional Perovskite Solar Cells
Cheng, L; Liu, Z; Li, SD; Zhai, YF; Wang, X; Qiao, Z; Xu, QF; Meng, K; Zhu, ZY; Chen, G
2021
Source PublicationANGEWANDTE CHEMIE-INTERNATIONAL EDITION
ISSN1433-7851
Volume60Issue:2Pages:856-864
Subtype期刊论文
AbstractCurrently, most two-dimensional (2D) metal halide perovskites are of the Ruddlesden-Popper type and contain the thermally unstable methylammonium (MA) molecules, which leads to inferior photovoltaic performance and mild stability. Here we report a new type of MA-free formamidinium (FA) based low-dimensional perovskites, featuring a general formula of (PDA)(FA)(n-1)PbnI3n+1 with propane-1,3-diammonium (PDA) as the organic spacer cation. The perovskite films with well-oriented crystal grains are attained under the assistance of the FACl additive, where the role of Cl is investigated through the grazing-incidence X-ray diffraction technique. The photovoltaic device based on the optimized (PDA)(FA)(3)Pb4I13 film demonstrates a remarkable power conversion efficiency of 13.8 %, the highest record for the FA-based 2D perovskite solar cells. In addition, compared to (PDA)(MA)(3)Pb4I13, the MA-containing analogue and a renowned stable 2D perovskite, both the (PDA)(FA)(3)Pb4I13 films and their derived devices exhibit exceedingly higher thermal stability.
KeywordLEAD IODIDE PEROVSKITES HYBRID PEROVSKITES HALIDE PEROVSKITES OPTICAL-PROPERTIES TRIHALIDE CRYSTALLIZATION DEGRADATION CH3NH3PBI3 MANAGEMENT KINETICS
DOI10.1002/anie.202006970
Indexed BySCI
Language英语
Citation statistics
Cited Times:10[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/32907
Collection中科院上海应用物理研究所2011-2020年
Affiliation1.ShanghaiTech Univ, Sch Phys Sci & Technol, Shanghai 201210, Peoples R China
2.Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai Synchrotron Radiat Facil, Shanghai 201204, Peoples R China
Recommended Citation
GB/T 7714
Cheng, L,Liu, Z,Li, SD,et al. Highly Thermostable and Efficient Formamidinium-Based Low-Dimensional Perovskite Solar Cells[J]. ANGEWANDTE CHEMIE-INTERNATIONAL EDITION,2021,60(2):856-864.
APA Cheng, L.,Liu, Z.,Li, SD.,Zhai, YF.,Wang, X.,...&Chen, G.(2021).Highly Thermostable and Efficient Formamidinium-Based Low-Dimensional Perovskite Solar Cells.ANGEWANDTE CHEMIE-INTERNATIONAL EDITION,60(2),856-864.
MLA Cheng, L,et al."Highly Thermostable and Efficient Formamidinium-Based Low-Dimensional Perovskite Solar Cells".ANGEWANDTE CHEMIE-INTERNATIONAL EDITION 60.2(2021):856-864.
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