Lookup NU author(s): Dr Stevin Pramana
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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.
Author(s): Prabhakar RR, Pramana SS, Karthik KRG, Sow CH, Jinesh KB
Publication type: Article
Publication status: Published
Journal: Journal of Materials Chemistry
Print publication date: 28/07/2012
Online publication date: 11/05/2012
ISSN (print): 0959-9428
ISSN (electronic): 1364-5501
Publisher: Royal Society of Chemistry
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