期刊
APPLIED SURFACE SCIENCE
卷 357, 期 -, 页码 1743-1746出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.apsusc.2015.10.049
关键词
Band alignments; Heterojunction; FAPbI(3); ZnO; X-ray photoelectron spectroscopy
类别
资金
- National Key Basic Research Program of China [2011CB925603]
- National Natural Science Foundation of China [61290305, 11374259]
The band alignments at the interface of ZnO/HC(NH2)(2)PbI3 (FAPbI(3)) heterojunction were measured by X-ray photoelectron spectroscopy. Core levels of Pb 5d and Zn 3d were utilized to align the valence-band offset (VBO). The VBO was determined to be 1.86 +/- 0.30 eV, and the conduction-band offset (CBO) was concluded to be 0.05 +/- 0.30 eV, manifesting that the ZnO/FAPbI3 heterojunction has a type-I band alignment. The data of the band alignment of ZnO/FAPbI(3) heterojunction may benefit the design and development of novel perovskite solar cells (PSCs). (C) 2015 Elsevier B.V. All rights reserved.
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