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采用阳极氧化法在纯钛箔表面制备TiO2纳米管,再用直流电沉积法在纳米管内沉积Pt,制备出载Pt-TiO2纳米管电极.并采用场发射扫描电子显微镜(FESEM)、X射线衍射(XRD)对其进行表征.研究载Pt-TiO2纳米管阵列与TiO2纳米管阵列对有机磷农药敌敌畏(DDVP)的光电催化降解效果,并与光催化、电降解做了简单对比.结果表明:所制Pt-TiO2纳米管存在锐钛矿晶型TiO2,其饱合光电流比TiO2纳米管大.与单独光催化、电降解相比,载Pt-TiO2纳米管电极光电催化降解效果更显著.

参考文献

[1] 刘萍,李新勇,王玉新,鞠晓东,陈国华.二氧化钛纳米管阵列的构建及其光电催化性能[J].高等学校化学学报,2006(12):2411-2413.
[2] 王保玉,张景会,刘湛鋆.TiO2纳米管的制备与表征[J].精细化工,2003(06):333-336.
[3] Fabiana Y. Oliva;Lucia B. Avalle;Elizabeth Santos;Osvaldo R. Camara .Photoelectrochemical characterization of nanocrystalline TiO_2 films on titanium substrates[J].Journal of Photochemistry and Photobiology, A. Chemistry,2002(3):175-188.
[4] Kamat P V .Photophysical,photochemical and photocatalytie aspects of metal nanopanicles[J].Journal of Physical Chemistry B,2002,106(32):7729-7744.
[5] Quan X;Yang SG;Ruan XL;Zhao HM .Preparation of titania nanotubes and their environmental applications as electrode[J].Environmental Science & Technology: ES&T,2005(10):3770-3775.
[6] Choi W;Termin A;Hoffmamm M R .The role of metal ion dopants in quantumsized TiO2:correlation between photoreactivity and charge carrier recombination dynamics[J].Physical Chemistry,1994,98(51):13669-13679.
[7] Wilke K;Breuer H D .The infuence of transition metal doping on the physical and photocatalytic properties of titania[J].Photochemical & Photobiological Sciences,1999,121(01):49-53.
[8] Li XZ.;Li FB. .Study of Au/Au3+-TiO2 photocatalysts toward visible photooxidation for water and wastewater treatment[J].Environmental Science & Technology: ES&T,2001(11):2381-2387.
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