JOURNAL OF TEXTILE RESEARCH ›› 2014, Vol. 35 ›› Issue (5): 7-0.

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Morphology and photocatalytic properties of titanium sol prepared by sol-gel method

  

  • Received:2013-05-09 Revised:2014-01-21 Online:2014-05-15 Published:2014-05-09
  • Contact: Dong-Ming QI E-mail:dongmingqi@zstu.edu.cn

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Abstract: Particle size, crystalline state and dispersed state in water of titanium sol prepared via sol-gel method and several typical commodities TiO2 powders were characterized by high resolution transmission electron microscopy (HRTEM), X-ray diffraction analysis (XRD) and particle size analysis (DLS). Their UV-visible absorption characteristics and photocatalytic degradation effects to acid fuchsin 6B dye were evaluated by UV-Vis spectrophotometry. It was found that titanium sol particles prepared by sol-gel method possess typical anatase crystalline form. Compared with these TiO2 powders, the titanium sol particles has a high selectivity to UV-Vis (UV shielding - visible through) and a more excellent photocatalytic degradation due to its small apparent particle size and high dispersibility in water medium.

Key words: nano-TiO2, titanium sol, crystal form, photocatalysis

CLC Number: 

  • TS 195159
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