Ultrathin Nanosheets of Oxo‐functionalized Graphene Inhibit the Ion Migration in Perovskite Solar Cells

Mixed cation/halide perovskites have led to a significant increase in the efficiency and stability of perovskite solar cells. However, mobile ionic defects inevitably exacerbate the photoinduced phase segregation and self‐decomposition of the crystal structure. Herein, ultrathin 2D nanosheets of oxo...

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Veröffentlicht in:	Advanced energy materials 2020-01, Vol.10 (4), p.n/a
Hauptverfasser:	Li, Meng, Zuo, Wei‐Wei, Wang, Qiong, Wang, Kai‐Li, Zhuo, Ming‐Peng, Köbler, Hans, Halbig, Christian E., Eigler, Siegfried, Yang, Ying‐Guo, Gao, Xing‐Yu, Wang, Zhao‐Kui, Li, Yongfang, Abate, Antonio
Format:	Artikel
Sprache:	eng
Schlagworte:	Cations Cesium Crystal defects Crystal structure Dodecylamine Efficiency Electric fields Energy conversion efficiency Functional groups Graphene Ion migration Ion‐migration inhibition Nanosheets oxo‐functionalized graphene Perovskites Photovoltaic cells Solar cells Structural stability triple cation perovskite
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