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Ultra-thin conformal deposition of CuInS2 on ZnO nanowires by chemical spray pyrolysis

Lookup NU author(s): Dr Stevin Pramana

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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.


Publication metadata

Author(s): Prabhakar RR, Pramana SS, Karthik KRG, Sow CH, Jinesh KB

Publication type: Article

Publication status: Published

Journal: Journal of Materials Chemistry

Year: 2012

Volume: 22

Issue: 28

Pages: 13965-13968

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

URL: https://doi.org/10.1039/c2jm31270k

DOI: 10.1039/c2jm31270k


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