Advanced Materials

Theory of Piezo-Phototronics for Light-Emitting Diodes

Authors

  • Yan Zhang,

    1. School of Material Science and Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332-0245, USA
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  • Zhong Lin Wang

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

Devices fabricated by using the inner-crystal piezopotential as a “gate” voltage to tune/control the carrier generation, transport, and recombination processes at the vicinity of a p–n junction are named piezo-phototronics. Here, the theory of the photon emission and carrier transport behavior in piezo-phototronic devices is investigated as a p–n junction light-emitting diode. Numerical calculations are given for predicting the photon emission and current–voltage characteristics of a general piezo-phototronic light-emitting diode.

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