Keywords
N-acetylcysteine
acid-functionalized molecular additives
additive
intrinsic photostability
MeNH3PbI3
NAC
perovskite solar cells
perovskite thin film
stability
Abstract
The influence of incorporating three acid additives in a MAPbI3 precursor solution on the photostability of MAPbI3 thin films under solar radiation of 60–70 mW cm−2 at a temperature of 50–60 °C in an inert atmosphere was investigated. Photostability test results were evaluated using UV-VIS spectroscopy, XRD, AFM and photoluminescence measurements. The results demonstrated that the additives, particularly N-acetylcysteine, to the perovskite precursor improved the photostability of thin films for up to 1000 h under inert conditions.
Funders
Ministry of Education and Science of the Russian Federation
FFSG 2024-0008
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