Colloidal chemically fabricated ZnO : Cu-based photodetector with extended UV-visible detection waveband

Liang Hu; Liping Zhu; Haiping He; Yanming Guo; Guoyao Pan; Jie Jiang; Yizheng Jin; Luwei Sun; Zhizhen Ye

doi:10.1039/C3NR01979A

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Colloidal chemically fabricated ZnO : Cu-based photodetector with extended UV-visible detection waveband†

Liang Hu,^a Liping Zhu,*^a Haiping He,*^a Yanming Guo,^a Guoyao Pan,^a Jie Jiang,^a Yizheng Jin,^a Luwei Sun^a and Zhizhen Ye^a

Author affiliations

* Corresponding authors

^a State Key Laboratory of Silicon Materials, Dept. of Materials, Zhejiang University, Hangzhou, People's Republic of China
E-mail: zlp1@zju.edu.cn, hphe@zju.edu.cn
Fax: +86-571-87952625
Tel: +86-571-87951958

Abstract

Polycrystalline ZnO : Cu-based film photodetectors with extended detection waveband (UV and visible light) were fabricated using facile colloidal chemistry and a post-annealing process. The obtained detectors are highly sensitive to visible light and can realize the response switch between UV and visible light. A native and extrinsic trap cooperatively controlled space charge limited (SCL) transport mechanism is proposed to understand this complex photoconduction behaviour.

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Article information

DOI: https://doi.org/10.1039/C3NR01979A
Article type: Communication
Submitted: 21 Apr 2013
Accepted: 09 Aug 2013
First published: 14 Aug 2013

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Nanoscale, 2013,5, 9577-9581

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Colloidal chemically fabricated ZnO : Cu-based photodetector with extended UV-visible detection waveband

L. Hu, L. Zhu, H. He, Y. Guo, G. Pan, J. Jiang, Y. Jin, L. Sun and Z. Ye, Nanoscale, 2013, 5, 9577 DOI: 10.1039/C3NR01979A

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