Photovoltaic effect and charge storage in single ZnO nanowires
- State Key Laboratory for Mesoscopic Physics, Department of Physics, Peking University, Beijing 100871 (China)
- Electron Microscopy Laboratory, School of Physics, Peking University, Beijing 100871 (China)
Asymmetric Schottky barriers between ZnO nanowire and metal electrode have been fabricated at the two ends of the nanowire. An obvious photocurrent generated from the device at zero voltage bias can be switched on/off with quick response by controlling the light irradiation. Moreover, the device can still afford a current at zero bias after switching off light illumination, which is ascribed to the charge storage effect in single ZnO nanowires. The underlying mechanisms related to the photovoltaic effect and charge storage were discussed.
- OSTI ID:
- 21123974
- Journal Information:
- Applied Physics Letters, Vol. 93, Issue 2; Other Information: DOI: 10.1063/1.2957470; (c) 2008 American Institute of Physics; Country of input: International Atomic Energy Agency (IAEA); ISSN 0003-6951
- Country of Publication:
- United States
- Language:
- English
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