Environmentally stable/self-powered ultraviolet photodetectors with high sensitivity

Shengxue Yang; Sefaattin Tongay; Shu Shen Li; Jian Bai Xia; Junqiao Wu; Jingbo Li

doi:10.1063/1.4824204

Environmentally stable/self-powered ultraviolet photodetectors with high sensitivity

Shengxue Yang, Sefaattin Tongay, Shu Shen Li, Jian Bai Xia, Junqiao Wu, Jingbo Li

Research output: Contribution to journal › Article › peer-review

26 Scopus citations

Abstract

Here, we demonstrate self-powered ultraviolet photodetectors that are capable of generating opposite current flow when illuminated at different wavelengths. The photodetectors are composed of n-ZnO/Polyaniline (PANI) p-n and PANI/ZnGa₂O₄ type-II heterojunctions and operate without any need for external power source. Devices display superior stability in ambient conditions within months. Results provide opportunities for developing devices for optical recognition.

Original language	English (US)
Article number	143503
Journal	Applied Physics Letters
Volume	103
Issue number	14
DOIs	https://doi.org/10.1063/1.4824204
State	Published - Sep 30 2013
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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10.1063/1.4824204

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title = "Environmentally stable/self-powered ultraviolet photodetectors with high sensitivity",

abstract = "Here, we demonstrate self-powered ultraviolet photodetectors that are capable of generating opposite current flow when illuminated at different wavelengths. The photodetectors are composed of n-ZnO/Polyaniline (PANI) p-n and PANI/ZnGa2O4 type-II heterojunctions and operate without any need for external power source. Devices display superior stability in ambient conditions within months. Results provide opportunities for developing devices for optical recognition.",

author = "Shengxue Yang and Sefaattin Tongay and Li, {Shu Shen} and Xia, {Jian Bai} and Junqiao Wu and Jingbo Li",

note = "Funding Information: J. Li gratefully acknowledges financial support from National Science Found for Distinguished Young Scholar (Grant No. 60925016) and the National Basic Research Program of China (Grant No. 2011CB921901).",

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AU - Yang, Shengxue

AU - Tongay, Sefaattin

AU - Li, Shu Shen

AU - Xia, Jian Bai

AU - Wu, Junqiao

AU - Li, Jingbo

N1 - Funding Information: J. Li gratefully acknowledges financial support from National Science Found for Distinguished Young Scholar (Grant No. 60925016) and the National Basic Research Program of China (Grant No. 2011CB921901).

PY - 2013/9/30

Y1 - 2013/9/30

N2 - Here, we demonstrate self-powered ultraviolet photodetectors that are capable of generating opposite current flow when illuminated at different wavelengths. The photodetectors are composed of n-ZnO/Polyaniline (PANI) p-n and PANI/ZnGa2O4 type-II heterojunctions and operate without any need for external power source. Devices display superior stability in ambient conditions within months. Results provide opportunities for developing devices for optical recognition.

AB - Here, we demonstrate self-powered ultraviolet photodetectors that are capable of generating opposite current flow when illuminated at different wavelengths. The photodetectors are composed of n-ZnO/Polyaniline (PANI) p-n and PANI/ZnGa2O4 type-II heterojunctions and operate without any need for external power source. Devices display superior stability in ambient conditions within months. Results provide opportunities for developing devices for optical recognition.

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Environmentally stable/self-powered ultraviolet photodetectors with high sensitivity

Abstract

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