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CdS修飾TiO2納米管陣列的制備及光催化性能研究
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“十一五”國家科技支撐計劃(2006BAD04A12)


Fabrication and Photocatalytic Properties of TiO2 Nanotube Arrays Modified by CdS
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    摘要:

    首先通過恒壓陽極氧化法在純鈦箔表面制備TiO2納米管陣列，其次運用電化學沉積法在TiO2納米管陣列表面修飾CdS顆粒，最后表征其對甲基橙的光催化降解性能。研究表明，通過電化學沉積可以在管陣列表面獲得均勻分布的CdS納米顆粒。TiO2納米管陣列在經(jīng)過CdS修飾后，對可見光的吸收范圍明顯增大；光照2 h后，對甲基橙的降解效率由修飾前的57.1%提高到修飾后的76.4%，COD的去除率也從49%提高到70.6%

    Abstract:

    Titanium oxide nanotube arrays were fabricated from a pure titanium foil with invariable anodizing voltage. CdS nanoparticles were then deposited upon the TiO2 nanotube arrays by electrochemical deposition method. And it was used to degrade the methyl orange. Results showed that CdS nanoparticals were evenly distributed upon the surface of the nanotube arrays and the doped nanotube arrays has better photocatalytic properties. The degradation of the methyl orange increases from 57.1% to 76.4% and the removal of the COD increases from 49% to 70.6% after 2 hours of irradiation

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薛 峰,王 玲,薛建軍,包祖國,陶海軍,曹志斌. CdS修飾TiO2納米管陣列的制備及光催化性能研究[J].稀有金屬材料與工程,2009,38(7):1238~1241.[Xue Feng, Wang Ling, Xue Jianjun, Bao Zhuguo, Tao Haijun, Cao Zhibing. Fabrication and Photocatalytic Properties of TiO2 Nanotube Arrays Modified by CdS[J]. Rare Metal Materials and Engineering,2009,38(7):1238~1241.]
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  • 收稿日期:2008-06-23
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