Journal
APPLIED PHYSICS LETTERS
Volume 97, Issue 22, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.3524231
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Funding
- National Basic Research Program of China [2007CB936201]
- Major Project of International Cooperation and Exchanges [50620120439, 2006DFB51000]
- State Key Laboratory for Advanced Metals and Materials [2008ZD-09, 2008Z-08]
- Fundamental Research Funds for the Central Universities
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We report a self-powered ultraviolet photodetector based on a single Sb-doped ZnO nanobelt bridging an Ohmic contact and a Schottky contact. The photoresponse sensitivity and the response time of the fabricated device are as high as 2200% and less than 100 ms, respectively. The performance of the device dramatically degrades as the Sb-doping concentration decreases in the ZnO nanobelt. The possible mechanisms have been proposed and discussed. (C) 2010 American Institute of Physics. [doi:10.1063/1.3524231]
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