Enhanced efficiency and environmental stability of planar perovskite solar cells by suppressing photocatalytic decomposition
作者： Peng Zhang , Jiang Wu , Yafei Wang , Hojjatollah Sarvari , Detao Liu
DOI: 10.1039/C7TA04014H
关键词: Photocatalysis 、 Heterojunction 、 Ultraviolet 、 Oxide 、 Layer (electronics) 、 Optics 、 Chemical engineering 、 Electron transfer 、 Perovskite (structure) 、 Materials science 、 Photovoltaic system
摘要: The environmental instability of perovskite solar cells caused by the ultraviolet photocatalytic effect metal oxide layers is a critical issue that must be solved. In this paper, we report improved stability ZnO film-based planar heterojunction cells, suppressing activities induced electron transfer layer. photovoltaic performance and in an ambient environment under continuous illumination are effectively applying aluminum interlayer on film to suppress degradation perovskites. highest efficiency has increased from 14.62% 17.17%, after 250 h exposure full spectrum simulated sunlight air, remains as high 15.03%. results suggest effective suppression perovskites with modified layer new solution improve long-term cells.
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