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Combustion, Explosion and Shock Waves

2014 year, number 2

Using Ethanol for Preparation of Nanosized TiO2 by Gaseous Detonation

H. H. Yan, X. C. Huang, and S. X. Xi
State Key Laboratory of Structural Analysis for Industrial Equipment, Dalian University of Technology
Dalian, 116024 China
Keywords: gaseous detonation, nanosized TiO2, ethanol, crystal

Abstract

A method of preparing nanosized titanium dioxide by gaseous detonation by using ethanol, hydrogen, and oxygen as an explosion source and titanium tetrachloride as a precursor is described. The results indicate that the rutile phase content of the obtained products is high, and the pure rutile phase can be produced by adding a small amount of hydrogen. Most of the particles obtained under the two different synthesis conditions are spherical (or sphere-like) with small and even particle sizes, generally about 30 nm, and has a very good size dispersion.