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后处理对TiO_2纳米晶膜电极光电性能的改善(英文) 被引量:5

Photocurrent Enhancement by TiCl_4 Post_Treatment for TiO_2 Nanoporous Film Electrode
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摘要 利用TiCl4 水溶液处理TiO2 纳米晶膜电极 ,可以提高光电流 ,改善电极的光电转换性能 .对未经处理和处理后电极的比表面、孔分布 ,以及瞬态光电流分析表明 ,后处理改善了电荷在电极中的传输 。 Enhanced photocurrent in dye_sensitized photoelectrochemical cell was obtained by post_treating the TiO 2 nanoporous film electrode with TiCl 4. By investigating the effect of the post_treatment on surface area, pore size distribution, laser pulse induced current transient of the film electrode, photocurrent increase by the post_treatment was assigned to the improved electron percolation resulting from broadening of interparticle neck.
出处 《电化学》 CAS CSCD 2002年第1期5-8,共4页 Journal of Electrochemistry
基金 Project(2 0 0 730 0 3)supportedbytheNationalNaturalScienceFoundationofChina
关键词 光电化学电池 敏化 TIO2 电极处理 二氧化钛 纳米晶膜电极 光电性能 四氯化钛 Photoelectrochemical cell, Sensitization, TiO 2, Electrode post_treatment
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