Enhancing responsivity of ZnO nanowire based photodetectors by piezo-phototronic effect
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- 作者：Yuanjie Su ; Dicksu25@163.com" class="auth_mail" title="E-mail the corresponding authorAuthor Vitae ; Zhiming WuAuthor Vitae ; Xuefei WuAuthor Vitae ; Yin LongAuthor Vitae ; Hulin ZhangAuthor Vitae ; Guangzhong XieAuthor Vitae ; Xiaosong DuAuthor Vitae ; Huiling TaiAuthor Vitae ; Yadong Jiang ; Jiangyd@uestc.edu.cn" class="auth_mail" title="E-mail the corresponding authorAuthor Vitae
- 关键词：UV sensor ; ZnO nanowire array ; Piezo-phototronic effect ; Schottky barrier
- 刊名：Sensors and Actuators A: Physical
- 出版年：2016
- 出版时间：15 April 2016
- 年：2016
- 卷：241
- 期：Complete
- 页码：169-175
- 全文大小：2105 K
文摘
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A promising approach was proposed to enhance the responsivity of a ZnO nanowires array based photodetector though piezo-phototronic effect.
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The ZnO nanowires serve as piezoelectric functional layer and light-trapping material.
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Using polarization charges at interfaces under strain, the local Schottky barrier height and the responsivity of the device can be modulated.
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The fabricated detector allows simultaneous and identical changing behavior of Schottky barrier heights at the two contacts.