Journal
MATERIALS RESEARCH BULLETIN
Volume 45, Issue 10, Pages 1541-1547Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.materresbull.2010.05.026
Keywords
Nanostructure; Surface; Chemical synthesis; Semiconductivity
Categories
Funding
- Nature Science Foundation of China [50927201]
- National Basic Research Program of China [2009CB939705, 2009CB939702]
- Opening Research Foundation of State Key Laboratory of Advanced Technology for Materials Synthesis and Processing (Wuhan University of Technology)
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Tungsten oxide hydrate nanowire netted-spheres were successfully synthesized in the glycol solution using a facile solvothermal approach. The nanowires with uniform diameter of 4-6 nm are actually a kind of tungsten oxide hydrate/surfactant hybrid materials. The influence of surfactant, solvent, time and temperature on tailoring morphology was investigated in detail. The possible formation process of WO3 hydrate nanowire netted-sphere was proposed. Sensing properties of such WO3 hydrate sensor show that the desirable sensing characteristics towards 100 ppm ammonia gas at 320 degrees C were obtained, such as rapid response (18.3 s), high sensitivity, good reproducibility and stability. (C) 2010 Elsevier Ltd. All rights reserved.
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