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Author:

李辉 (李辉.) | 王金淑 (王金淑.) | 李洪义 (李洪义.) | YIN Shu (YIN Shu.) | SATO Tsugio (SATO Tsugio.)

Indexed by:

EI Scopus SCIE PKU CSCD

Abstract:

分别以Ti(OBun)4和Pluronic F127为无机前驱体和模板剂,以硫脲为添加剂,采用sol-gel法结合蒸发致自组装法(EISA)制备了锐钛矿结构的介孔TiO2薄膜材料.采用SEM、 XPS、N2 吸附脱吸、XRD和 UV-Vis光谱对其进行了表征. 研究发现,向前驱体溶液添加硫脲一方面改变了TiO2的介孔结构,另一方面对介孔TiO2进行了N、S共掺杂. 当溶液中硫脲与Ti(OBun)4的摩尔比为2.5%时,介孔TiO2的孔径由未掺杂的7.0nm增至12.4nm,光催化降解甲基橙实验表明其在紫外光区具有最优的光催化活性;当溶液中硫脲与Ti(OBun)4的摩尔比为5%时,其吸收边由380nm扩展至520nm,光催化降解罗丹明B实验表明其在可见光下显示出最优的光催化活性.

Keyword:

光催化 介孔TiO2 氮硫共掺杂 可见光吸收

Author Community:

  • [ 1 ] [李辉]北京工业大学
  • [ 2 ] [王金淑]北京工业大学
  • [ 3 ] [李洪义]北京工业大学
  • [ 4 ] [YIN Shu]Tohoku University
  • [ 5 ] [SATO Tsugio]Tohoku University

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Source :

无机材料学报

ISSN: 1000-324X

Year: 2009

Issue: 5

Volume: 24

Page: 909-914

1 . 7 0 0

JCR@2022

ESI Discipline: MATERIALS SCIENCE;

JCR Journal Grade:3

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count: 8

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: 28

Chinese Cited Count:

30 Days PV: 1

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