β-环糊精/TiO2复合光催化剂制备及光催化性能探讨

江汉大学学报（自然科学版） ›› 2011, Vol. 39 ›› Issue (2): 27-30.

β-环糊精/TiO₂复合光催化剂制备及光催化性能探讨

余国贤,张晓慧,晋梅,路平^*

江汉大学化学与环境工程学院, 湖北武汉 430056

收稿日期:2011-03-24 出版日期:2011-03-20 发布日期:2013-12-30
通讯作者: 路平(1958—), 男, 江苏常州人, 教授, 主要从事光催化剂研究.E-mail: luping203@163.com
作者简介:余国贤(1971—),男,湖北武汉人,副教授,主要从事工业催化剂研究.
基金资助:
湖北省自然科学基金资助项目(2003ABA090)

Preparation and Photocatalytic Performance of β-cyclodextrin/TiO₂ Complex Catalyst

YU Guo-xian, ZHANG Xiao-hui,JIN Mei,LU Ping

School of Chemistry and Environmental Engineering, Jianghan University, Wuhan 430056, Hubei, China

Received:2011-03-24 Online:2011-03-20 Published:2013-12-30

摘要/Abstract

摘要： 研究用硅烷偶联剂KH560做交联剂, 以β－环糊精(β-CD)对TiO₂固体表面进行改性, 制备β-CD/TiO₂复合材料.通过钛含量测定、红外和热重分析对β-CD/TiO₂复合材料进行了表征.以甲基橙溶液为研究对象, 分别考察了β-CD/TiO₂复合材料和纯TiO₂对甲基橙的光催化降解能力.结果表明制得的β-CD/TiO₂复合材料中TiO₂含量占75%, 在高压汞灯下直接照射3.5 h, β-CD/TiO₂对甲基橙的光催化脱色率达90%, 是纯TiO₂对甲基橙的光催化脱色率的1.7倍.

关键词: β-环糊精, TiO₂, 甲基橙, 光催化脱色

Abstract: β-cyclodextrin/TiO₂ (β-CD/TiO₂) complex catalyst was prepared via surface modification of TiO₂ with β-cyclodextrin using silane coupling agent as the cross-linking agent. The structure and properties of β-CD/TiO₂ was characterized by gravimetric analysis in determination of titanium content, fourier transform infrared spectrophotometry (FT-IR) and differential thermal analyzer (DTA). The photocatalytic performances of β-cyclodextrin/TiO₂ and TiO₂ were investigated by using methyl orange solution as objcet, respectively. The characterization results showed the content of TiO₂ in β-CD/TiO₂ complex sample was 75%. The photocatalytic performance results demonstrated β-CD/TiO₂ complex catalyst could give the decoloration rate to methyl orange solution of 90% under the high pressure mercury lamp for 3.5 h, which is 1.7 times larger than that of TiO₂.

Key words: β-cyclodextrin, TiO₂, methyl orange solution, photocatalytic decoloration

中图分类号:

X703
O643.36

余国贤,张晓慧,晋梅,路平^*. β-环糊精/TiO₂复合光催化剂制备及光催化性能探讨[J]. 江汉大学学报（自然科学版）, 2011, 39(2): 27-30.

YU Guo-xian, ZHANG Xiao-hui,JIN Mei,LU Ping. Preparation and Photocatalytic Performance of β-cyclodextrin/TiO₂ Complex Catalyst[J]. Journal of Jianghan University(Natural Science Edition), 2011, 39(2): 27-30.

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β-环糊精/TiO₂复合光催化剂制备及光催化性能探讨

Preparation and Photocatalytic Performance of β-cyclodextrin/TiO₂ Complex Catalyst

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