Journal
MATERIALS RESEARCH BULLETIN
Volume 45, Issue 2, Pages 165-173Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.materresbull.2009.09.025
Keywords
Oxide; Semiconductors; Electron microscopy; Surface properties
Categories
Funding
- Ministry of Education, Culture, Sports, Science and Technology of Japan
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The present study investigated the effects of particle size on the adsorption performance of tungsten oxide nanoparticles. Nanoparticles 18-73 nm in diameter were prepared by evaporation of bulk tungsten oxide particles using a flame spray process. Annealing plasma-made tungsten oxide nanoparticles produced particles with diameters of 7-19 nm. The mechanism of nanoparticle formation for each synthetic route was examined. The low-cost, solid-fed flame process readily produced highly crystalline tungsten oxide nanoparticles with controllable size and a remarkably high adsorption capability. These nanoparticles are comparable to those prepared using the more expensive plasma process. (C) 2009 Elsevier Ltd. All rights reserved.
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