期刊
SOLAR ENERGY MATERIALS AND SOLAR CELLS
卷 79, 期 4, 页码 495-505出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/S0927-0248(03)00065-5
关键词
dye-sensitized solar cell; one-step cathodic electrodeposition; ZnO layer; recombination rate; energy barrier
TiO2/ZnO/Eosin Y structure films were prepared by a one-step cathodic electrodeposition method and used as a photoanode in a dye-sensitized solar cell (DSSC). Using this TiO2/ZnO/Eosin Y electrode in DSSC, the degradation of the cell with time was reduced and I-SC, V-OC and fill factor values were increased. The use of a thin ZnO layer, permitted the formation of an energy barrier at the electrode/electrolyte interface, thus reducing recombination rate and improving cell performance. In addition, the adsorbed dye molecules prepared by one-step cathodic electrodeposition with ZnO were very stable compared with that prepared by conventional immersing method, as evidenced by UV/vis absorption spectroscopy measurements. (C) 2003 Elsevier Science B.V. All rights reserved.
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