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Issue 43, 2011
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Solution processed transition metal sulfides: application as counter electrodes in dye sensitized solar cells (DSCs)

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Abstract

A solution processed method for fabricating transition metal sulfides on fluorine doped tin oxide (FTO) as efficient counter electrodes in iodine/iodide based solar cells has been demonstrated. Conversion efficiencies of 7.01% and 6.50% were obtained for nickel and cobalt sulfides, respectively, comparable to the conventional thermally platinised FTO electrodes (7.32%). A comparable charge transfer resistance of Ni3S2 and Co8.4S8 to conventional Pt was found to be a key factor for such high efficiencies. Cyclic voltammetry, Kelvin probe microscopy, Electrochemical Impedance Spectroscopy, and Tafel polarization were performed to study the underlying reasons behind such efficient counter electrode performance.

Graphical abstract: Solution processed transition metal sulfides: application as counter electrodes in dye sensitized solar cells (DSCs)

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Publication details

The article was received on 05 Sep 2011, accepted on 15 Sep 2011 and first published on 30 Sep 2011


Article type: Communication
DOI: 10.1039/C1CP22817J
Citation: Phys. Chem. Chem. Phys., 2011,13, 19307-19309
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    Solution processed transition metal sulfides: application as counter electrodes in dye sensitized solar cells (DSCs)

    H. K. Mulmudi, S. K. Batabyal, M. Rao, R. R. Prabhakar, N. Mathews, Y. M. Lam and S. G. Mhaisalkar, Phys. Chem. Chem. Phys., 2011, 13, 19307
    DOI: 10.1039/C1CP22817J

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