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

Abstract

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

CLC Number:

X703
O643.36

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

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