张文杰,毕菲非,孙欣,孙鹏

• 1:沈阳理工大学环境与化学工程学院

摘要(Abstract)：

采用溶胶-凝胶法合成了钛酸锶光催化剂,研究了煅烧温度对钛酸锶性能的影响。结果表明,钛酸锶粉体呈不规则的颗粒形态,样品中存在钛酸锶Sr2TiO4和TiO2两种物相。在较高煅烧温度下制得的样品中Sr2TiO4含量增加,而TiO2含量减少,煅烧温度变化对Sr2TiO4晶粒尺寸的影响较小。在800℃煅烧制备的钛酸锶样品具有最大的比表面积和最佳的光催化活性。经紫外光照射120 min后,甲基橙在钛酸锶样品上的光催化降解率达到78.0%。

关键词(KeyWords)： 钛酸锶;光催化;溶胶-凝胶;煅烧

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(41271251);; 沈阳理工大学辽宁省废水治理技术重点实验室开放基金资助

作者(Author): 张文杰,毕菲非,孙欣,孙鹏

参考文献(References)：

• [1]Hoffmann M R,Martin S T,Choi W,et al.Environmental applications of semiconductor photocatalysis[J].Chemical Review,1995,95(1):69-96.
• [2]Fujishim A,Honda K.Electrochemical photolysis of water at a semiconductor electrode[J].Nature,1972,238(1):37-38.
• [3]Eng H W,Barnes P W,Auer B M,et al.Investigations of the electronic structure of d0transition metal oxides belonging to the perovskite family[J].Journal of Solid State Chemistry,2003,175(1-2):94-96.
• [4]Kato H,Kudo A.Energy structure and photocatalytic activity for water splitting of Sr2(Ta1-x Nb x)2O7solid solution[J].Journal of Photochemistry&Photobiology,2001,145(1):129-132.
• [5]童希立.SrTiO3和K2La2Ti3O10光催化剂的制备及其在光充电贮氢电极中的应用[D].浙江工业大学,2005.
• [6]Sbaolsky E M,Jmae A R,Kowom S,et al.Piezoelectric porperties of<001>textured Pb(Mg l/3Nb2/3)O3-PbTiO3[J].Applied Physics Letters,2001,78(17):2551-2553.
• [7]Akuto K,Sakurai Y.Photochargeable metal hydride/air battery[J].Journal of Electrochemical Society,2001,148(2):A121-A125.
• [8]Avudaithai M,Kutty T R N.Ultarfine powders of SrTiO3from the hydrothernal preparation and their catalytic in the photolysis of water[J].Material Research Bulletin,1987,22(5):641-650.
• [9]Kate H,Kudo A.Visible-light-response and photocatalytic activities of TiO2and SrTiO3photocatalysts codoped with antimony and chromium[J].Journal of Physical Chemisty B,2002,106(19):5029-5034.
• [10]Zhang S,Liu J X,Han Y X,et al.Formation mechisms of SrTiO3nanoparticles under hydrothermal conditions[J].Material Science and Engineering B,2004,110(1):11-17.
• [11]Liu H X,Sun X Q,Zhao Q L,et al.The syntheses and microstructures of tabular SrTiO3crystal[J].Solid-state Electronics,2003,47(12):2295-2298.
• [12]Wang J S,Yin S,Komatsu M,et al.Preparation and characterization of nitrogen doped SrTiO3photocatalyst[J].Journal of Photochemistry and Photobiology A,2004,165(1-3):149-156.
• [13]Wang X W,Zhang Z Y,Zhou S X.Preparation of nano-crystalline SrTiO3powder in sol-gel process[J].Material Science and Engineering B,2001,86(1):29-33.
• [14]王敏,郭会勇,黄文波,等.微弧氧化工艺参数对BaTiO3和SrTiO3薄膜生长的影响[J].材料热处理学报,2012,33(5):126-130.WANG Min,GUO Hui-yong,HONG Wen-bo,et al.Effects of technological parameters on growth of BaTiO3and SrTiO3film prepared by microarc oxidation[J].Transactions Materials Heat Treatment,2012,33(5):126-130.
• [15]Poht J,Haberkom R,Beck H P.Combustion-synthesis of SrTiO3[J].Journal of the European Ceramic Society,2000,20(6):707-713.
• [16]Schwarz A,Hartig K J,Getoff N.Diffusion controlled photocurrent transients at the surface of thin polycrystalline n-TiO2layers[J].International Journal of Hydrogen Energy,1988,13(2):81-86.
• [17]万永彪.钙钛矿型纳米材料钛酸盐和钒酸铋的制备、表征及其光催化性能研究[D].延边大学,2010.
• [18]Liu S Z,Wang T X,Yang L Y.Low temperature preparation of nanocrystalline SrTiO3and BaTiO3from alkaline earth nitrates and TiO2nanocrystals[J].Powder Technology,2011,212(2):378-381.
• [19]Wagner C D.Handbook of X-ray Photoelectron Spectroscopy[B].Perkin-Elmer Corporation,Minnesota.1979.

文章评论(Comment)：