Journal
OPTICAL MATERIALS
Volume 64, Issue -, Pages 401-405Publisher
ELSEVIER
DOI: 10.1016/j.optmat.2017.01.013
Keywords
Carbon material; Counter electrode; Dye-sensitized solar cells
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Carbon materials represent an attractive alternative to platinum based counter electrodes in DSSCs. Graphitic carbon produced from carbonization of sucrose has been used for making counter electrode for DSSCs. It was observed that increment in thickness of carbon counter electrode improves the performance of DSSCs. Electrochemical impedance spectroscopy, Tafel polarization and cyclic voltammetry measurements suggest that sucrose derived carbon based counter electrode shows fast reduction rate of I-(3) over bar compare with platinum based counter electrode. DSSCs based on sucrose derived carbon exhibit high power conversion efficiency (PCE) of 9.96% and fill factor (FF) of 0.72 which is higher than PCE of 9.39% and FF of 0.67 of the cells with platinum (Pt) based counter electrode. (C) 2017 Elsevier B.V. All rights reserved.
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