纳米La2Ti2O7粉末的低温水热合成及光催化性能的研究

材料导报, 2007, 21(z2): 62-64.

1.北京工业大学薄膜材料实验室,北京,100022

2.北京工业大学薄膜材料实验室,北京,100022

3.北京工业大学薄膜材料实验室,北京,100022

基金项目: 北京市科技新星计划项目

Hydrothermal Synthesis and Photocatalytic Properties of La2Ti2O7 Nanopowders

采用水热反应法,在180℃的低温下制备出纳米La2Ti2O7粉末,并对产物进行了X射线衍射、扫描电镜、透射电镜、比表面积和紫外可见光谱的表征测试.用紫外光照射甲基橙溶液的光催化降解实验研究了制备样品的光催化活性,并比较了不同制备温度对其降解甲基橙效率的影响.

[1]	Frank S N et al.[J].Journal of Physical Chemistry,1977,81(15):484.
[2]	Bauer C;Jacques P;Kalt A .[J].Journal of Photochemistry and Photobiology A:Chemistry,2001,140:87.
[3]	Qu P.;Shen T.;Hidaka H.;Zhao JC. .TiO2-assisted photodegradation of dyes: A study of two competitive primary processes in the degradation of RB in an aqueous TiO2 colloidal solution[J].Journal of molecular catalysis, A. Chemical,1998(2/3):257-268.
[4]	Stylidi M;Kondarides D I;Verykios X E .[J].Applied Catalysis B:Environmental,2003,40:271.
[5]	Kim H G;Hwang D W;Kim J.[J].Chemistry Communications,1999:1077.
[6]	Hwang D W;Kim H G;Kim J et al.[J].Journal of Catalysis,2000,193:40.
[7]	Kim J.[J].Chemistry Communications,2002:2488.
[8]	Hwang D W;Cha K Y;Kim J et al.[J].Industrial and Engineering Chemistry Research,2003,42:1184.
[9]	Li K W;Wang Y;Wang H et al.[J].Nanotechn,2006,17:4863.
[10]	Panasenko E B;Scherer G H .[J].Russian Journal of Inorganic Chemistry,1982,29:1430.
[11]	Yu JG.;Zhao QN.;Zhao XJ. .Effect of surface structure on photocatalytic activity of TiO2 thin films prepared by sol-gel method[J].Thin Solid Films: An International Journal on the Science and Technology of Thin and Thick Films,2000(1/2):7-14.
[12]	陈代荣,焦秀玲,徐如人.La2M2O7（M=Ti,Zr）多晶粉末的低温水热合成及表征[J].高等学校化学学报,1998(09):1378-1380.
[13]	Hwang D W;Lee J S;Li W .[J].Journal of Physical Chemistry B,2003,107:4963.

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