Paper Title:
Synthesis of Titania in a Spinning Disk Reactor
  Abstract

In this study, titania powders were prepared from 0.02M titanium tetrachloride and 0.08M sodium hydroxide in a high gravity rotary reactor. The preparation was combined with a precipitation, washing/centrifugation, hydrothermal and drying steps. The prepared titania powders were characterized by TGA, SEM, TEM, FTIR, and UV-vis analysis。TGA curves show that the titania yield was found to increase with rising hydrothermal time. TEM analysis show that the prepared titania crystalline in solution has a flake-like shape with a primary size 5~15nm and narrow size distribution. SEM images show that the primary titania crystalline aggregates to large secondary powders with a size 5~20μm。FTIR and UV-vis spectra show that the prepared precursor is titanium hydroxide that was transferred into titanium dioxide after hydrothermal process under a suitable temperature and time.

  Info
Periodical
Advanced Materials Research (Volumes 148-149)
Edited by
Xianghua Liu, Zhengyi Jiang and Jingtao Han
Pages
1264-1267
DOI
10.4028/www.scientific.net/AMR.148-149.1264
Citation
W. C. Chien, S. M. Jang, Y. C. Lin, "Synthesis of Titania in a Spinning Disk Reactor", Advanced Materials Research, Vols. 148-149, pp. 1264-1267, 2011
Online since
October 2010
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Price
$32.00
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