期刊
JOURNAL OF MATERIALS CHEMISTRY C
卷 2, 期 25, 页码 5005-5010出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c3tc32547d
关键词
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资金
- National Basic Research Program of China (973 Program) [2011CB302006, 2011CB302005, 2011CB302004]
- National Science Foundation of China [11074248, 10974197, 11104265, 61376054]
- 100 Talents Program of the Chinese Academy of Sciences
A highly efficient ultraviolet photodetector was successfully obtained based on a Sb-doped p-type ZnO microwire p-n homojunction which consisted of a single Sb-doped p-type ZnO microwire and a single undoped ZnO microwire. The ultralong Sb-doped ZnO single crystalline microwires were synthesized via a chemical vapor deposition method. The ZnO microwire homojunction showed well-defined rectification characteristics, which indicated the p-type conductivity of the Sb-doped ZnO microwire. An ultraviolet photodetector with an external quantum efficiency of 64.5% was obtained based on the ZnO microwire p-n homojunction. The photodetector showed high wavelength selectivity with a full width at half maximum of 6 nm for the photoresponse peak located at 386 nm.
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