Effect of a Fullerene Derivative on the Performance of TiO2-Nanotube-Based Dye-Sensitized Solar Cells
Highly ordered TiO2 nanotube arrays were prepared by anodic oxidation of Ti foil in an application to dye-sensitized solar cells (DSCs). A fullerene derivative called PC61BM was used as a material for the surface modification of TiO2 nanotube arrays to improve the power conversion efficiency of DSCs Although open circuit voltages (V oc) were slightly decreased by PC61BM interlayer, short circuit current densities (J sc) were increased and thus the power conversion efficiencies were improved. EIS (Electrochemical Impedance Spectroscopy) results showed superior properties for PC61BM-coated samples.
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Document Type: Research Article
Publication date: 2012-02-01
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