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Hydrothermal Synthesis of Nanosized TiO2 Using Basic Peptizing Agents and their Photocatalytic Activity on the Decomposition of Orange II

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Abstract:

TiO2 nanoparticles were prepared using the hydrolysis of titanium tetraisopropoxide (TTIP) using TENOH as a peptizing agent in the hydrothermal method. The physical properties of prepared nanosized TiO2 particles were investigated. The photocatalytic degradation of orange II has been studied using a batch reactor in the presence of UV light. The crystallite size of the anatase phase is increased from 15 to 30 nm as the molar ratio of TENOH/TTIP increases from 0.1 to 1.0. The titania particle prepared at TENOH/TTIP molar ratio=0.1 shows the highest activity on the photocatalytic decomposition of orange II and the photocatalytic activity decreases according to an increase in TENOH/TTIP molar ratio. In addition, the titania particles prepared at 160oC shows the highest activity on the photocatalytic decomposition of orange II

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Periodical:

Materials Science Forum (Volumes 544-545)

Pages:

71-74

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.544-545.71

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Online since:

May 2007

Authors:

Jun Ho Kim, Kwon Taek Lim, Gun Dae Lee, Seong Soo Park, Seong Soo Hong

Keywords:

Basic Peptizing Agents, Hydrothermal Synthesis, Nano-Sized TiO2, Photocatalytic Decomposition of Orange II

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© 2007 Trans Tech Publications Ltd. All Rights Reserved

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