期刊
SMALL
卷 11, 期 21, 页码 2472-2486出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/smll.201403534
关键词
perovskite solar cells; interfaces; atomic structures; electronic structures; charge transfer; interface engineering
类别
资金
- Beijing Science and Technology Committee [Z131100006013003]
- National Key Basic Research Program [2012CB932903]
- Natural Science Foundation of China [51372270, 51372272, 21173260, 11474333, 91233202, 91433205, 51421002]
The interfacial atomic and electronic structures, charge transfer processes, and interface engineering in perovskite solar cells are discussed in this review. An effective heterojunction is found to exist at the window/perovskite absorber interface, contributing to the relatively fast extraction of free electrons. Moreover, the high photovoltage in this cell can be attributed to slow interfacial charge recombination due to the outstanding material and interfacial electronic properties. However, some fundamental questions including the interfacial atomic and electronic structures and the interface stability need to be further clarified. Designing and engineering the interfaces are also important for the next-stage development of this cell.
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