A novel reduction-hydrolysis method of preparing VO{sub 2} nanopowders
Journal Article
·
· Materials Research Bulletin
OSTI ID:20888062
A novel and convenient reduction-hydrolysis method was developed to make high-purity VO{sub 2} nanopowders. The products have been studied with XRD, IR, XPS, and DTA. The nanopowders exhibited a strong crystallographic transition to the rutile-type structure around 68-72 deg. C. The XRD patterns and TEM images of products showed that the average size of samples was in the range of 30-40 nm. The XPS results demonstrated that the vanadium exists as V{sup 4+} ions in the products. We also found that the phase transition temperature of products decreased by tungsten doping.
- OSTI ID:
- 20888062
- Journal Information:
- Materials Research Bulletin, Journal Name: Materials Research Bulletin Journal Issue: 7-8 Vol. 39; ISSN MRBUAC; ISSN 0025-5408
- Country of Publication:
- United States
- Language:
- English
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