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Proceedings of the 7th National Conference on Functional Materials and Applications (FMA 2010 E-BOOK)

Changsha,China,10.16-10.18,2010

ISBN: 978-1-935068-41-9 Scientific Research Publishing, USA

E-Book 2313pp Pub. Date: October 2010

Category: Chemistry & Materials Science

Price: $360

Title: Preparation and Characterization of Titanium Black by Solvothermal Method
Source: Proceedings of the 7th National Conference on Functional Materials and Applications (FMA 2010 E-BOOK) (pp 961-963)
Author(s): Dong-bo Guan, College of Material Science and Engineering, Sichuan University, Chengdu, China
Jian Mao, College of Material Science and Engineering, Sichuan University, Chengdu, China
Abstract: Titanium black was prepared by solvothermal method in this paper, using sub-micron TiO2 as raw materials, ethylenediamine as solvent and reducing agent, and sodium borohydride and potassium borohydride as assistant reducing agent. XRD results showed that the reaction product was Ti3O5. UV/Vis diffuse reflectance absorption spectra showed that it had a strong light absorption ability in both UV and visible light. The results of colorimeter analysis displayed its chrominance was darker than specpure carbon powder slightly. Malvern ZS90 assessment showed that its average particle size was 600nm, the distribution range was 450nm~850nm. In addition, its isoelectric point of water-phase system appeared at pH: 8.9, and when the pH of its water-phase syetem was less than 5.7, its absolute value of Zeta potential was greater than 30mv, and this showed that its dispersion was better.
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