期刊
JOURNAL OF MATERIALS CHEMISTRY A
卷 6, 期 43, 页码 21389-21395出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c8ta07699e
关键词
-
资金
- Russian Science Foundation [18-13-00353]
Here we explore the effect of the partial substitution of univalent methylammonium (MA) cations with hydrazinium (HA) ions on the stability, morphology and photovoltaic performance of hybrid MA((1-x))HA(x)SnI(3) systems. The hydrazinium-loaded films have shown much superior stability with respect to light exposure under an inert atmosphere as compared to the reference MASnI(3) films, which undergo rapid conversion to MA(2)SnI(6) under these conditions. Furthermore, the incorporation of hydrazinium ions dramatically improved the photovoltaic performance of the materials yielding a maximum efficiency of 2.6% in inverted planar junction perovskite solar cells using the optimal HA(0.2)MA(0.8)SnI(3) composition.
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