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Proceedings Paper

Boron-doped ZnO for infrared detection
Author(s): Wen-wei Liu; Song-qing Zhao; Kun Zhao; Wei Sun; Ai-jun Wang; Yue-liang Zhou
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Paper Abstract

Boron-doped ZnO thin film was fabricated on fused quartz substrate using the pulse laser deposition method. The infrared photovoltaic properties were studied using Nd:YAG 1.064μm pulse laser and 10.6μm carbon dioxide continuous laser. When the film was irradiated by the10.6μm laser, the photovoltage depends on the laser spot and undergoes a sign reversal as the laser spot travels from one electrode to another. The changeover in sign occurs at the middle of two electrodes. When the laser spot irradiated nearly on the electrode, the largest photovoltage of ~3 mV with a rise time of several seconds was observed. When the film was illuminated by the1.064μm pulse laser, the peak photovoltage reaches ~2.8 mV and the rise time and full width at half-maximum are ~1.5 ns and ~3 ns, respectively. The present results suggest that the Boron-doped ZnO thin film can be utilized in an infrared sensitive detector at room temperature.

Paper Details

Date Published: 5 August 2009
PDF: 4 pages
Proc. SPIE 7383, International Symposium on Photoelectronic Detection and Imaging 2009: Advances in Infrared Imaging and Applications, 73832L (5 August 2009); doi: 10.1117/12.835531
Show Author Affiliations
Wen-wei Liu, China Univ. of Petroleum (China)
Song-qing Zhao, China Univ. of Petroleum (China)
Kun Zhao, China Univ. of Petroleum (China)
Wei Sun, China Univ. of Petroleum (China)
Ai-jun Wang, China Univ. of Petroleum (China)
Yue-liang Zhou, Institute of Physics (China)


Published in SPIE Proceedings Vol. 7383:
International Symposium on Photoelectronic Detection and Imaging 2009: Advances in Infrared Imaging and Applications
Jeffery Puschell; Hai-mei Gong; Yi Cai; Jin Lu; Jin-dong Fei, Editor(s)

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