Journal
CHEMICAL ENGINEERING JOURNAL
Volume 289, Issue -, Pages 502-512Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.cej.2016.01.008
Keywords
Anatase titania; Decahedral-shaped particles; Gas-phase synthesis; Coaxial-flow reactor; Photocatalytic activity
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Funding
- Ministry of Education, Culture, Sports, Science and Technology (MEXT) of Japan [2510750303]
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Decahedral-shaped anatase particles (DAPs) were prepared by a gas-phase process consisting of titanium (IV) chloride oxidation. The use of a coaxial-flow gas-phase reactor resulted in high reaction yield (ca. 70%) and good reproducibility of DAPs production. The influence of controlled and resultant preparation parameters on the process course and on DAPs properties (such as specific surface area, particle size and particle morphology) is discussed in detail. Correlations between preparation parameters and product properties indicated the best conditions for obtaining DAPs of high quality and thus with a high level of photocatalytic activity for various reaction systems. (C) 2016 Elsevier B.V. All rights reserved.
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