期刊
ADVANCED MATERIALS
卷 29, 期 20, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.201601715
关键词
microstructural control; nucleation and crystal growth; organic-inorganic hybrid perovskites; perovskite solar cells
类别
资金
- Fundamental Research Funds for the Central Universities [WUT: 2016IVA085]
- National Natural Science Foundation of China [NSFC 51672202, NSFC 51402115]
- Australian Centre for Advanced Photovoltaics (ACAP)
- Australian Renewable Energy Agency (ARENA)
The efficiencies of the hybrid organic-inorganic perovskite solar cells have been rapidly approaching the benchmarks held by the leading thin-film photovoltaic technologies. Arguably, one of the most important factors leading to this rapid advancement is the ability to manipulate the microstructure of the perovskite layer and the adjacent functional layers within the device. Here, an analysis of the nucleation and growth models relevant to the formation of perovskite films is provided, along with the effect of the perovskite microstructure (grain sizes and voids) on device performance. In addition, the effect of a compact or mesoporous electron-transport-layer (ETL) microstructure on the perovskite film formation and the optical/photoelectric properties at the ETL/perovskite interface are overviewed. Insight into the formation of the functional layers within a perovskite solar cell is provided, and potential avenues for further development of the perovskite microstructure are identified.
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