The preparation and gas sensitivity study of polythiophene/SnO2 composites
β Scribed by Fanhong Kong; Yan Wang; Jun Zhang; Huijuan Xia; Baolin Zhu; Yanmei Wang; Shurong Wang; Shihua Wu
- Publisher
- Elsevier Science
- Year
- 2008
- Tongue
- English
- Weight
- 745 KB
- Volume
- 150
- Category
- Article
- ISSN
- 0921-5107
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The influence of bulk dopants (Nb, Mn, In and Pd) on the morphological, electrical and gas-sensing properties of Sn02 powders was observed. Comparing the specific surface areas of the powders observed by BET Nb-doping results in very fine powders. The electrical resistivity of SnO, is decreased by N
SnO 2 urchin-like structures composed of nanorods with diameters of 10-15 nm and lengths of 50-70 nm have been hydrothermally synthesized via a H 2 O 2 -assisted route without any surfactant, using SnCl 2 as raw material. With the addition of methenamine (HMT), SnO 2 hollow microspheres with diamete