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Proceedings Paper

Low-dimensional II-VI oxide-based semiconductor nanostructure photodetectors for light sensing
Author(s): Jae Su Yu; Yeong Hwan Ko; Goli Nagaraju
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Paper Abstract

Low-dimensional II-VI oxide-based semiconductor nanostructure photodetectors for light sensing are described. Depending on the absorption edge and energy bandgap of the nanostructured materials, the detection wavelength range can be controlled. The physical properties of the fabricated nanostructures are investigated. The p-n junction property of n-ZnO and p-CuO nanostructures is obtained. This growth of the ZnO nanorod arrays on CuO nanostructures may be useful for photodetection applications. The NiO/ZnO nanostructures are also synthesized. Metal-semiconductor-metal (MSM) type photodetectors are fabricated by integrating the oxide-based (i.e., ZnO and CuO) semiconductor nanostructures. Using the solution-based ZnO seed layer, the UV MSM type photodetectors with the vertically-aligned ZnO nanorod arrays are also fabricated. Their photoresponse characteristics are evaluated in a specific spectral range.

Paper Details

Date Published: 8 February 2015
PDF: 8 pages
Proc. SPIE 9370, Quantum Sensing and Nanophotonic Devices XII, 93702X (8 February 2015); doi: 10.1117/12.2079113
Show Author Affiliations
Jae Su Yu, Kyung Hee Univ. (Korea, Republic of)
Yeong Hwan Ko, Kyung Hee Univ. (Korea, Republic of)
Goli Nagaraju, Kyung Hee Univ. (Korea, Republic of)


Published in SPIE Proceedings Vol. 9370:
Quantum Sensing and Nanophotonic Devices XII
Manijeh Razeghi; Eric Tournié; Gail J. Brown, Editor(s)

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