Cotton Fabrics Loaded with Low-Temperature Prepared SiO2/TiO2 Mixing Sols for Photocatalytic Degradation of Organic Dye

Jin Ku Yang; Yong Chun Dong; Yu Jie Han; Si Ming Dong

doi:10.4028/www.scientific.net/AMR.197-198.1192

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 197-198Cotton Fabrics Loaded with Low-Temperature...

Cotton Fabrics Loaded with Low-Temperature Prepared SiO₂/TiO₂ Mixing Sols for Photocatalytic Degradation of Organic Dye

Abstract:

A SiO₂ aqueous sol was prepared and mixed with the anatase TiO₂ sol synthesized at low temperature in different molar ratios for the coating of cotton fabrics using padding-drying process. And then the photocatalytic activity of the resulting SiO₂/TiO₂-loaded cotton fabrics was evaluated in the degradation of Rhodamine B in water. The effect of the SiO₂ content on the photocatalytic performance of the loaded fabrics was investigated with respect to dye decoloration percentage. UV-Vis spectrum was also used to examine the dye degradation process in the presence of the SiO₂/TiO₂-loaded cotton fabric. The results indicate that when the ratio of Si/Ti reaches 1:1-3, the finished fabrics have the best photocatalytic activity. Moreover, UV-Vis spectrum indicates that the addition of SiO₂ on the cotton fabric can enhance the decomposition of the dye molecular azo linkages and aromatic rings.

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Periodical:

Advanced Materials Research (Volumes 197-198)

Pages:

1192-1195

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.197-198.1192

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Online since:

February 2011

Authors:

Jin Ku Yang, Yong Chun Dong, Yu Jie Han, Si Ming Dong

Keywords:

Cotton Fabric, Dye Degradation, Photocatalytic, SiO₂/TiO₂ Mixing Sol

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References

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