The DOI matches its Crossref record; 1 of the 1 references it cites were found in a registry or an index.
A Solution-Phase, Precursor Route to Polycrystalline SnO2 Nanowires That Can Be Used for Gas Sensing under Ambient Conditions
Abstract
This paper describes a solution-based, precursor method for the facile synthesis of uniform nanowires containing rutile SnO2 nanocrystallites. In a typical procedure, nanowires of approximately 50 nm in diameters and up to 30 mum in length were obtained as a white precipitate by refluxing SnC2O4.2H2O and poly(vinylpyrrolidone) in ethylene glycol. Structural analyses by XRD, FT-IR, and TGA indicate that these highly anisotropic nanostructures were formed in an isotropic medium through the aggregation of chainlike precursors that were, in turn, formed via polyol-mediated oligomerization. These nanowires could be further converted to polycrystalline SnO2 by calcination in air at 500 degrees C. The resultant nanowires of SnO2 were highly porous and could be used for gas sensing with improved sensitivity and reversibility under ambient conditions. We have also demonstrated that this new approach could be extended to generate polycrystalline nanowires of other metal oxides such as In2O3 and anatase TiO2.
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Metadata
- Authors
- Wang, Y., Jiang, X., & Xia, Y.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2003-12-01
- Volume
- 125
- Issue
- 52
- Pages
- 16176-16177
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W2117790005
- Cited by
- 954
- References
- 1
- FWCI
- 30.50
- Type
- journal article
- Language
- en
- Open access
- closed
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