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Issue 44, 2017
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The light-induced pyro-phototronic effect improving a ZnO/NiO/Si heterojunction photodetector for selectively detecting ultraviolet or visible illumination

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Abstract

In this work, we fabricate a ZnO/NiO/Si heterojunction photodetector, which successfully realizes selective detection of UV or visible light in a single photodetector. In addition, the pyro-phototronic effect has been confirmed as an effective approach for enhancing the performance of photodetectors based on ZnO. The pyro-phototronic effect is carefully studied by comparing with a ZnO/Si heterojunction photodetector under UV and visible illumination at different bias voltages. To enhance the photodetector's wavelength selectivity, the parameters and structure are further optimized for the ZnO/NiO/SiO2/Si heterojunction photodetector. The newly designed photodetector may be used to selectively detect and distinguish UV and visible illumination in a single photodetector.

Graphical abstract: The light-induced pyro-phototronic effect improving a ZnO/NiO/Si heterojunction photodetector for selectively detecting ultraviolet or visible illumination

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Publication details

The article was received on 15 Aug 2017, accepted on 17 Oct 2017 and first published on 17 Oct 2017


Article type: Communication
DOI: 10.1039/C7NR06037H
Citation: Nanoscale, 2017,9, 17199-17206
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    The light-induced pyro-phototronic effect improving a ZnO/NiO/Si heterojunction photodetector for selectively detecting ultraviolet or visible illumination

    B. Yin, H. Zhang, Y. Qiu, Y. Luo, Y. Zhao and L. Hu, Nanoscale, 2017, 9, 17199
    DOI: 10.1039/C7NR06037H

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