Interfacial Electronic Structures of Photodetectors Based on C8BTBT/Perovskite

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成果类型：

期刊论文

作者：

Li, Lin;Tong, Sichao;Zhao, Yuan;Wang, Can;Wang, Shitan;...

通讯作者：

Niu, Dongmei;Gao, Yongli

作者机构：

[Yang, Junliang; Li, Lin; Wang, Shitan; Gao, Yongli; Huang, Yingbao; Wang, Can; Niu, Dongmei; Tong, Sichao; Huang, Han; Niu, DM; Gao, YL; Lyu, Lu; Liu, Xiaoliang; Zhao, Yuan] Cent S Univ, Inst Super Microstruct & Ultrafast Proc Adv Mat, Sch Phys & Elect, Changsha 410083, Hunan, Peoples R China.

[Li, Lin; Gao, Yongli] Cent S Univ, State Key Lab Powder Met, Changsha 410083, Hunan, Peoples R China.

[Li, Lin] Cent South Univ Forestry & Technol, Sch Elect & Informat Engn, Changsha 410004, Hunan, Peoples R China.

[Gao, Yongli] Univ Rochester, Dept Phys & Astron, Rochester, NY 14627 USA.

通讯机构：

[Niu, DM; Gao, YL; Gao, Yongli] C

[Gao, Yongli] U

Cent S Univ, Inst Super Microstruct & Ultrafast Proc Adv Mat, Sch Phys & Elect, Changsha 410083, Hunan, Peoples R China.

Cent S Univ, State Key Lab Powder Met, Changsha 410083, Hunan, Peoples R China.

Univ Rochester, Dept Phys & Astron, Rochester, NY 14627 USA.

语种：

英文

关键词：

interfacial electronic structures;energy level alignment;photodetector

期刊：

ACS Applied Materials & Interfaces

ISSN：

1944-8244

年：

2018

卷：

期：

页码：

20959-20967

DOI：

10.1021/acsami.8b03355

基金类别：

Division of Chemical, Bioengineering, Environmental, and Transport Systems#&#&#CBET-1437656 National Natural Science Foundation of China#&#&#11334014#&#&#51673217 Division of Materials Research#&#&#DMR-1303742

机构署名：

本校为其他机构

院系归属：

计算机与信息工程学院

摘要：

Comprehensive measurements of ultraviolet photoemission spectroscopy, X-ray photoemission spectroscopy, X-ray diffraction, and atomic force microscopy are adopted to investigate the corelevance of energy level alignment, molecular orientation, and film growth of Au/C8BTBT/perovskite interfaces. A small energy offset of valence band maximum of 0.06 eV between perovskite and C8BTBT makes hole transportation feasible. About 0.65 eV upward shift of energy levels is observed with the deposition of the Au film on C8BTBT, which enhances hole transport...

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Interfacial Electronic Structures of Photodetectors Based on C8BTBT/Perovskite

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