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釕摻雜TiO2/Ti光電極的制備及光電催化性能
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陜西省自然基金資助項目(SJ08B16)；西安理工大學(xué)優(yōu)秀博士學(xué)位論文研究基金(602-210804，602-210805)


Preparation of Ruthenium-Doped TiO2/Ti Photoelectrodes and Photoelectrocatalytic Performance
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    摘要:

    采用陽極氧化法制備貴金屬釕摻雜TiO2/Ti光電極，用EIS、XRD和SEM對光電極的性能進行表征，并對亞甲基藍進行光電催化降解。結(jié)果表明：釕摻雜后可增大TiO2/Ti光電極比表面積，提高其光電催化活性；在HF電解液中，陽極氧化制備釕摻雜TiO2/Ti光電極的最佳條件為：氧化電壓為20 V，氧化時間20 min，熱處理溫度600 ℃；以紫外燈(125 W)為光源，在外加偏壓0.2 V，釕摻雜TiO2/Ti光電極對亞甲基藍光電催化120 min可完全脫色。

    Abstract:

    Noble metal ruthenium-doped TiO2/Ti photoelectrodes were prepared by anodization. The photoelectrodes were characterized by EIS, XRD and SEM. And the photoelectrocatalytic degradation of methylene blue was carried out using the photoelectrodes. The results show that ruthenium doping can increase the specific surface area and enhance the photoelectrocatalytic activity of TiO2/Ti photoelectrodes. In 0.5% HF electrolyte, the optimal parameters are anodization voltage of 20 V, anodization time of 20 min and heat treatment of 600 oC for ruthenium-doped TiO2/Ti photoelectrode preparation. With bias voltage of 0.2 V, methylene blue were decolored completely in 120 min by ruthenium-doped TiO2/Ti photoelectrodes under UV light(125 W).

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王理明,姚秉華,裴 亮,程 剛.釕摻雜TiO2/Ti光電極的制備及光電催化性能[J].稀有金屬材料與工程,2010,39(7):1240~1243.[Wang Liming, Yao Binghua, Pei Liang, Cheng Gang. Preparation of Ruthenium-Doped TiO2/Ti Photoelectrodes and Photoelectrocatalytic Performance[J]. Rare Metal Materials and Engineering,2010,39(7):1240~1243.]
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  • 收稿日期:2009-08-15
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