Author： Aminian M. Kh. Taghavinia N. zad A. Iraji Mahdavi S. M. Chavoshi M.
Publisher： Taylor & Francis Ltd
ISSN： 1553-3174
Source： Synthesis and Reactivity in Inorganic, Metal-Organic, and Nano-Metal Chemistry, Vol.37, Iss.6, 2007-07, pp. : 457-460
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Abstract
Titania nanofibers were prepared using a colloidal solution of Titania nanoparticles and a templating method. The preparation comprises impregnation of cellulose fibers in the solution containing Titania nanoparticles followed by thermal removal of the cellulose template. It is evidenced by scanning electron microscopy (SEM) that the residue substance consists of micron size fibers with a microstructure of nanofibers. The pore size distribution of the substance is multi-scale and fractal morphology was demonstrated with two fractal regimes with dimensions of 1.78 and 2.97 for sizes below and above 7.5 nm, respectively. The surface area of the Titania fibers was measured about 250 m2/g. The photocatalytic property of nanofibers was measured using methanol and cigarette smoke.
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