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Title: Expanding the Applications of the Ilmenite Mineral to the Preparation of Nanostructures: TiO2 Nanorods and their Photocatalytic Properties in the Degradation of Oxalic Acid
Authors: Tao, T
Chen, Y
Zhou, D
Zhang, H
Liu, S
Amal, R
Sharma, N
Glushenkov, AM
Keywords: Hydrochloric acid
Sulferic acid
Solar cells
Issue Date: 14-Jan-2013
Publisher: Wiley-Blackwell
Citation: Tao, T., Chen, Y., Zhou, D., Zhang, H., Liu, S., Amal, R., Sharma, N., & Glushenkov, A. M. (2013). Chemistry-A European Journal, 19(3), 1091-1096. doi:10.1002/chem.201202451
Abstract: The mineral ilmenite is one of the most abundant ores in the Earth's crust and it is the main source for the industrial production of bulk titanium oxide. At the same time, methods to convert ilmenite into nanostructures of TiO2 (which are required for new advanced applications, such as solar cells, batteries, and photocatalysts) have not been explored to any significant extent. Herein, we describe a simple and effective method for the preparation of rutile TiO2 nanorods from ball-milled ilmenite. These nanorods have small dimensions (width: 520 nm, length: 50100 nm, thickness: 25 nm) and possess large specific surface areas (up to 97 m2?g-1). Dissolution/hydrolysis/precipitation is proposed as a growth mechanism. The nanorods were found to have attractive photocatalytic properties in the degradation of oxalic acid. Their photocatalytic activity is close to that of the benchmark Degussa P25 material and better than that of a commercial high-surface-area rutile powder. © 2013, Wiley-Blackwell
Gov't Doc #: 4898
ISSN: 0947-6539
Appears in Collections:Journal Articles

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