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Title: Ultra-thin conformal deposition of CuInS 2 on ZnO nanowires by chemical spray pyrolysis
Authors: Prabhakar, R.R.
Pramana, S.S.
Karthik, K.R.G.
Sow, C.H. 
Jinesh, K.B.
Issue Date: 28-Jul-2012
Citation: Prabhakar, R.R., Pramana, S.S., Karthik, K.R.G., Sow, C.H., Jinesh, K.B. (2012-07-28). Ultra-thin conformal deposition of CuInS 2 on ZnO nanowires by chemical spray pyrolysis. Journal of Materials Chemistry 22 (28) : 13965-13968. ScholarBank@NUS Repository.
Abstract: CuInS 2 (CIS) was deposited on ZnO nanowires by a chemical spray pyrolysis (CSP) method, resulting in an ultra-thin, conformal CIS coating on ZnO forming ZnO-CIS core-shell structures. A high-resolution transmission electron microscope and elemental mapping showed the excellent quality of the coating, while Raman spectroscopy revealed the purity of the materials after core-shell formation. A significant enhancement in band-edge emission of ZnO after CIS coating (also lower defect emissions) was observed, which is due to the peculiar band alignment of the ZnO-CIS combination. Further, the electrical behaviour of the single nanowire ZnO-CIS diode was studied, demonstrating the excellent interface between CIS and ZnO. This technique provides tremendous potential for the fabrication of low-cost nano-electronic devices. © 2012 The Royal Society of Chemistry.
Source Title: Journal of Materials Chemistry
ISSN: 09599428
DOI: 10.1039/c2jm31270k
Appears in Collections:Staff Publications

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