synthesis and characterization of graphene-zno nanocomposite and its application in photovoltaic cells

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ID: 163258
2013
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Abstract
In this paper, we present a simple method for preparation of graphene-ZnO nanocomposites (G-ZnO). The method is based on thermal treatment of the graphene oxide (GO)/ZnO paste which reduces the graphene oxide into the graphene and leads to the formation of the G-ZnO nanocomposite. The structure, morphology and optical properties of synthesized nanocomposites are characterized with XRD, FESEM, FTIR and Raman spectroscopies. Here CdS quantum dots are deposited on G-ZnO nanocomposite structure and is integrated as a photoanode in CdS quantum dot sensitized solar cells (QDSSCs). Photovoltaic properties of CdS QDSSC based on bare ZnO nanoparticles and G-ZnO nanocomposite photoanodes are studied here. The cell with G-ZnO/CdS photoanode shows two times higher photoelectric conversion efficiency than that of the pure ZnO photoanode (0.94 vs. 0.45).
Reference Key
ghoreishi2013journalsynthesis Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;F. S. Ghoreishi;V. Ahmadi;M. Samadpour
Journal process safety progress
Year 2013
DOI
10.7508/jns.2013.04.010
URL
http://jns.kashanu.ac.ir/article_5932_90ba403efcbb699f1fdeaf00ac826382.pdf
Keywords
nanocomposite graphene zno

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