Effect of Acetic Acid in TiCl4 Post-Treatment on Nanoporous TiO2 Electrode in Dye-Sensitized Solar Cell
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概要
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Titanium tetrachloride (TiCl4) is adopted as a post-treatment on the nanoporous titanium oxide (TiO2) layers to enhance the performance of dye-sensitized solar cells (DSCs). A TiCl4 post-treatment is capable of improving electron transport and dye-loading on the surface of TiO2 layers. In this study, the TiCl4 solution mixed with acetic acid was employed to enhance the condition of the TiCl4 post-treatment. Since acetic acid in the TiCl4 solution prevents the formation of impurities and facilitates the crystallization, it improves dye adsorption and electron transport properties. To analyze the performance of the cell, we measured X-ray diffraction (XRD), scanning electron microscopy (SEM), Brunauer--Emmett--Teller (BET) surface measurements, UV--vis spectroscopy and electrochemical impedance spectroscopy (EIS) and photocurrent--voltage (I--V) measurements.
- 2012-09-25
著者
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Son Min-Kyu
Department of Electrical Engineering, Pusan National University, Busan 609-735, Korea
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Kim Hee-Je
Department of Electrical Engineering, Pusan National University, Busan 609-735, Korea
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KIM Hee-Je
Department of Electrical Engineering, Pusan National University
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Kim Byung-Man
Department of Electrical Engineering, Pusan National University, Busan 609-735, Korea
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Kim Soo-Kyoung
Department of Electrical Engineering, Pusan National University, Busan 609-735, Korea
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Kim Jin-Kyoung
Department of Electrical Engineering, Pusan National University, Busan 609-735, Korea
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Hong Na-Yeong
Department of Electrical Engineering, Pusan National University, Busan 609-735, Korea
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Prabakar Kandasamy
Department of Electrical Engineering, Pusan National University, Busan 609-735, Korea
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