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Title: Towards perfectly ordered novel ZnO/Si nano-heterojunction arrays
Authors: Liu, Hai
Yadian, Boluo
Wei, Yuefan
Wu, Junsheng
Zhang, Sen
Sun, Linfeng
Zhao, Chunwang
Liu, Qing
Ramanujan, Raju V.
Zhou, Kun
Gan, Chee Lip
Huang, Yizhong
Keywords: DRNTU::Engineering::Materials::Nanostructured materials
Issue Date: 2013
Source: Yadian, B., Liu, H., Wei, Y., Wu, J., Zhang, S., Sun, L., et al. (2014). Towards perfectly ordered novel ZnO/Si nano-heterojunction arrays. Small, 10(2), 344-348.
Series/Report no.: Small
Abstract: The fabrication of a highly ordered novel ZnO/Si nano-heterojuntion array is introduced. ZnO seed layer is first deposited on the Si (P<111>) surface. The nucleation sites are then defined by patterning the surface through focused ion beam (FIB) system. The ZnO nanorods are grown on the nucleation sites through hydrothermal process. The whole fabrication process is simple, facile and offers direct control of the space, length and aspect ratio of the array. It is found that ZnO/Si nanojunctions show an improved interface when subjected to heat treatment. The recrystallization of ZnO and the tensile lattice strain of Si developed during the heating process contribute the enhancement of their photoresponses to white light. The photoluminescence (PL) measurement result of nano-heterojunction arrays with different parameters is discussed.
ISSN: 1613-6810
DOI: 10.1002/smll.201301674
Rights: © 2013 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
Fulltext Permission: none
Fulltext Availability: No Fulltext
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