All-inorganic perovskite quantum dot/mesoporous TiO2 composite-based photodetectors with enhanced performance

Lin Zhou; Kai Yu; Fan Yang; Jun Zheng; Yuhua Zuo; Chuanbo Li; Buwen Cheng; Qiming Wang

doi:10.1039/C6DT04758K

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All-inorganic perovskite quantum dot/mesoporous TiO₂ composite-based photodetectors with enhanced performance†

Lin Zhou,

^a Kai Yu,^a Fan Yang,^a Jun Zheng,^a Yuhua Zuo,*^a Chuanbo Li,^a Buwen Cheng^a and Qiming Wang^a

Author affiliations

* Corresponding authors

^a State Key Laboratory on Integrated Optoelectronics, Institute of Semiconductors, Chinese Academy of Sciences, Beijing 100083, China
E-mail: yhzuo@semi.ac.cn

Abstract

High-performance all-inorganic perovskite-based metal/semiconductor/metal (MSM) photodetectors with a bilayer composite film of mesoporous TiO₂ and CsPbBr₃ quantum dots as a photosensitizer were prepared. The photodetectors demonstrated significantly improved on/off ratios of nearly three orders of magnitude compared to those of pure bromine-based perovskite nanocrystal photodetectors with an MSM structure.

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Article information

DOI: https://doi.org/10.1039/C6DT04758K
Article type: Communication
Submitted: 17 Dec 2016
Accepted: 22 Dec 2016
First published: 22 Dec 2016

Download Citation

Dalton Trans., 2017,46, 1766-1769

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All-inorganic perovskite quantum dot/mesoporous TiO₂ composite-based photodetectors with enhanced performance

L. Zhou, K. Yu, F. Yang, J. Zheng, Y. Zuo, C. Li, B. Cheng and Q. Wang, Dalton Trans., 2017, 46, 1766 DOI: 10.1039/C6DT04758K

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Dalton Transactions