Journal
MATERIALS RESEARCH BULLETIN
Volume 47, Issue 11, Pages 3124-3128Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.materresbull.2012.08.022
Keywords
Layered compounds; Crystal growth; Catalytic properties; Energy storage
Categories
Funding
- Chinese Academy of Sciences [KGCX2-YW-231]
- Shanghai Science and Technology Commission [10DJ1400600]
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Ultrafine titanium dioxide nanowires of diameter ranging from 10 to 30 nm were successfully synthesized using a hydrothermal method. At first sodium titanate nanowires were prepared in a low-concentration sodium hydroxide solution with the assistance of ethylene glycol (EG). They were then converted to anatase titanium dioxide nanowires through acid washing and post-annealing. We conclude that EG increases the local alkalinity and the viscosity of the solution, therefore facilitating the growth of ultrafine nanowire. We propose that the synergy of oriented attachment (OA) and Ostwald ripening (OR) mechanisms are responsible for the growth of the nanowire. (c) 2012 Elsevier Ltd. All rights reserved.
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