Nano Archive

Bacterial cellulose/TiO2 hybrid nanofibers prepared by the surface hydrolysis method with molecular precision

Sun, Dongping and Yang, Jiazhi and Wang, Xin (2009) Bacterial cellulose/TiO2 hybrid nanofibers prepared by the surface hydrolysis method with molecular precision. nanoscale . ISSN 10.1039/b9nr00158a

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Abstract

Bacterial cellulose (BC) nanofibers were biosynthesized by Acetobacter xylinum NUST5.2, and displayed a remarkable capability for orienting TiO2 nanoparticle arrays. Large quantities of uniform BC nanofibers coated with TiO2 nanoparticles can be easily prepared by surface hydrolysis with molecular precision, resulting in the formation of uniform and well-defined hybrid nanofiber structures. The mechanism of arraying spherical TiO2 nanoparticles on BC nanofibers and forming well-defined, narrow mesopores are discussed in this paper. The BC/TiO2 hybrid nanofibers were used as photocatalyst for methyl orange degradation under UV irradiation, and they showed higher efficiency than that of the commercial photocatalyst P25.

Item Type:Article
Subjects:Material Science > Functional and hybrid materials
ID Code:7855
Deposited By:CSMNT
Deposited On:27 Nov 2009 16:05
Last Modified:27 Nov 2009 16:05

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