The energy level alignment at the CH3NH3PbI3/pentacene interface
Ji, GW; Zhao, B; Song, F; Zheng, GHJ; Zhang, XN; Shen, KC; Yang, YG; Chen, S; Gao, XY
2017
发表期刊APPLIED SURFACE SCIENCE
ISSN0169-4332
卷号393页码:417-421
文章类型期刊论文
摘要Pentacene thin film on CH3NH3PbI3 was studied by in-situ X-ray photoelectron spectroscopy and ultraviolet photoelectron spectroscopy to determine their interfacial energy level alignment. A 0.2 eV downward band bending together with a 0.1 eV interfacial dipole was found at the pentacene side, whereas there was no band bending found at the CH(3)NH(3)Pbl(3) side. The offset between CH3NH3PbI3 Valance Band Maximum (VBM) and pentacene Highest Occupied Molecular Orbital (HOMO) and that between CH3NH3PbI3 Conduction Band Minimum (CBM) and pentacene Lowest Unoccupied Molecular Orbital (LUMO) was determined to be 0.7 and 1.35 eV, respectively. The band alignment at this interface is favor of efficient hole transfer, which suggests pentacene as a viable HTL candidate to be explored in perovskite solar cells. (C) 2016 Elsevier B.V. All rights reserved.
关键词Perovskite Solar Cell Interface Electronic Structure Energy Level Alignment
DOI10.1016/j.apsusc.2016.10.033
收录类别SCI
语种英语
WOS记录号WOS:000389090700048
引用统计
被引频次:4[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.sinap.ac.cn/handle/331007/27473
专题中科院上海应用物理研究所2011-2018年
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Ji, GW,Zhao, B,Song, F,et al. The energy level alignment at the CH3NH3PbI3/pentacene interface[J]. APPLIED SURFACE SCIENCE,2017,393:417-421.
APA Ji, GW.,Zhao, B.,Song, F.,Zheng, GHJ.,Zhang, XN.,...&Gao, XY.(2017).The energy level alignment at the CH3NH3PbI3/pentacene interface.APPLIED SURFACE SCIENCE,393,417-421.
MLA Ji, GW,et al."The energy level alignment at the CH3NH3PbI3/pentacene interface".APPLIED SURFACE SCIENCE 393(2017):417-421.
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