高等学校化学学报

高等学校化学学报 ›› 2004, Vol. 25 ›› Issue (8): 1549.

• 研究快报 • 上一篇    下一篇

介孔结构多酸掺杂-锐钛矿纳米晶Na4W10O32/TiO2的制备及其可见光光催化性能研究

徐运亭1, 李莉2, 于小丹2, 郭伊荇2   

  1. 1. 中国科学院兰州地质研究所, 兰州730000;
    2. 东北师范大学化学学院, 长春130024
  • 收稿日期:2004-03-17 出版日期:2004-08-24 发布日期:2004-08-24
  • 基金资助:

    国家自然科学基金(批准号:20071007);吉林省科技厅社会发展重点项目基金(批准号:20010403)资助

Preparation and Visible-light Photocatalytic Properties of Polyoxometalate-doped Anatase Nanocrystal Na4W10O32/TiO2 with Mesoporous Structure

XU Yun-Ting1, LI Li2, YU Xiao-Dan2, GUO Yi-Hang2   

  1. 1. Lanzhou Institute of Geology, Chinese Academic of Sciences, Lanzhou 730000, China;
    2. Faculty of Chemistry, Northeast Normal University, Changchun 130024, China
  • Received:2004-03-17 Online:2004-08-24 Published:2004-08-24

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关键词: 孔材料, 可见光光催化, 杂多酸, 锐钛矿, 有机磷杀虫剂

Abstract: A simple and rapid process has been developed for the preparation of mesoporous anatase TiO2 crystalline particles coupled by homogeneously dispersed Na4W10O32 at a lower temperature ( 200 ℃ ) by combining sol-gel and programmed temperature hydrothermal methods. The composite,Na4W10O32 /TiO2,has a uniform mesopore distribution with the average pore diameter of 3.8 nm,and its BET surface area is 178.4 m2/g. The average size of the composite is below 10 nm. This new photocatalyst exhibited a visible-light photocatalytic activity to decompose para -thion-methyl.

Key words: Porous materials, Visible-light photocatalysis, Polyoxometalate, Anatase, Organophosphorus pesticide

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