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Ultrasensitive photodetectors based on a high-quality LiInSe2 single crystal

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Abstract

As an environmentally friendly and chemically robust crystal, LiInSe2 (LISe) exhibits promising optoelectronic properties. Here, an ultrasensitive metal–semiconductor–metal (MSM) structured photodetector based on a high-quality LISe crystal was systemically investigated. Remarkably, the LISe based photodetectors exhibit an outstanding photosensitivity with a high on/off current ratio (6.80 × 104), fast photoresponse (trise = 180 μs and tdecay = 200 μs), and high detectivity (2.16 × 1012 Jones). This work may lay the foundation and ignite future research interest on chalcogenide crystals in photodetectors.

Graphical abstract: Ultrasensitive photodetectors based on a high-quality LiInSe2 single crystal

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Publication details

The article was received on 30 Aug 2018, accepted on 22 Oct 2018 and first published on 23 Oct 2018


Article type: Paper
DOI: 10.1039/C8TC04337J
Citation: J. Mater. Chem. C, 2018, Advance Article
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    Ultrasensitive photodetectors based on a high-quality LiInSe2 single crystal

    N. Jia, S. Wang, P. Wang, C. Li, T. Yu, J. Qiao, C. Li, X. Xiong, J. Sun and X. Tao, J. Mater. Chem. C, 2018, Advance Article , DOI: 10.1039/C8TC04337J

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