TY - JOUR
T1 - Solution processed transition metal sulfides
T2 - Application as counter electrodes in dye sensitized solar cells (DSCs)
AU - Mulmudi, Hemant Kumar
AU - Batabyal, Sudip Kumar
AU - Rao, Manohar
AU - Prabhakar, Rajiv Ramanujam
AU - Mathews, Nripan
AU - Lam, Yeng Ming
AU - Mhaisalkar, Subodh Gautam
PY - 2011/11/21
Y1 - 2011/11/21
N2 - 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 Co 8.4S8 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.
AB - 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 Co 8.4S8 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.
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U2 - 10.1039/c1cp22817j
DO - 10.1039/c1cp22817j
M3 - Article
AN - SCOPUS:80055028840
SN - 1463-9076
VL - 13
SP - 19307
EP - 19309
JO - Physical Chemistry Chemical Physics
JF - Physical Chemistry Chemical Physics
IS - 43
ER -