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Advanced Materials

Nanowire Piezo-phototronic Photodetector: Theory and Experimental Design

Authors

  • Ying Liu,

    1. School of Material Science and Engineering, Georgia Institute of Technology, Atlanta, Georgia, 30332-0245, United States
    Current affiliation:
    1. Y.L. and Q.Y. contributed equally in this work.
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  • Qing Yang,

    1. School of Material Science and Engineering, Georgia Institute of Technology, Atlanta, Georgia, 30332-0245, United States
    2. State Key Laboratory of Modern Optical Instrumentation, Department of Optical Engineering, Zhejiang University, Hangzhou 310027, P. R. China
    Current affiliation:
    1. Y.L. and Q.Y. contributed equally in this work.
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  • Yan Zhang,

    1. School of Material Science and Engineering, Georgia Institute of Technology, Atlanta, Georgia, 30332-0245, United States
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  • Zongyin Yang,

    1. State Key Laboratory of Modern Optical Instrumentation, Department of Optical Engineering, Zhejiang University, Hangzhou 310027, P. R. China
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  • Zhong Lin Wang

    Corresponding author
    1. School of Material Science and Engineering, Georgia Institute of Technology, Atlanta, Georgia, 30332-0245, United States
    • School of Material Science and Engineering, Georgia Institute of Technology, Atlanta, Georgia, 30332-0245, United States.
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Abstract

The piezo-phototronic effect is about the use of the inner crystal piezoelectric potential to tune/control charge carrier generation, separation, transport and/or recombination in optoelectronic devices. In this paper, a theoretical model for describing the characteristics of a metal-nanowire-metal structured piezo-phototronic photodetector is constructed. Numerical simulations fit well to the experimental results of a CdS and ZnO nanowire based visible and UV detector, respectively.

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