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Preparation of ZnO films with different morphologies and their applications in dye sensitized photo-voltaic cells

Authors:

P.M. Sirimanne ,

Department of Science and Technology, Uva Wellassa University, LK
About P.M.
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E.V.A. Premalal

Department of Nano Materials, Graduate School of Science and Technology, Shizuoka University, JP
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Abstract

ZnO films with different morphologies were synthesized electrochemically. The characteristics of ZnO films were studied. Addition of selected precursors into the electrolyte changes the morphology of ZnO films and yields hybrid organic-ZnO films. Highly porous ZnO films were obtained by extracting eosin Y from hybrid ZnO|eosinY films. Different organic dyes were used to sensitize ZnO films by means of utilization as light harvesting electrodes in dye sensitized photovoltaic cells. Photo-effects of sensitized ZnO electrodes were studied in I-|I3- redox-electrolyte. Among tested dyes an indoline dye D149 produced better performance.

Keywords: EosinY; Hybrid ZnO films; D149 dye

DOI: http://dx.doi.org/10.4038/sljp.v12i0.4095

Sri Lankan Journal of Physics, Vol. 12 (2011) 15-24

How to Cite: Sirimanne, P.M. & Premalal, E.V.A., (2012). Preparation of ZnO films with different morphologies and their applications in dye sensitized photo-voltaic cells. Sri Lankan Journal of Physics. 12, pp.15–24. DOI: http://doi.org/10.4038/sljp.v12i0.4095
Published on 17 Feb 2012.
Peer Reviewed

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