Improved efficiency and stability of Pb-Sn binary perovskite solar cells by Cs substitution

Journal
Journal of Materials Chemistry A
Journal Volume
4
Journal Issue
46
Pages
17939-17945
Date Issued
2016
Author(s)
Liu X.
Yang Z.
Chueh C.-C.
Rajagopal A.
Williams S.T.
Sun Y.
Jen A.K.-Y.
DOI
URI
Abstract
Cs substitution was applied to Pb–Sn alloy perovskites to retard the fast crystallization rate. As a result, the derived device performance and stability can be effectively improved. The representative MA0.9Cs0.1Pb0.5Sn0.5I3 device can achieve a high efficiency of 10.07% with better thermal and ambient stability than the pristine MAPb0.5Sn0.5I3 device (6.36%).
SDGs

[SDGs]SDG7

Publisher
Royal Society of Chemistry
Type
journal article

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