Template-free synthesis and assembly of single-crystalline tungsten oxide nanowires and their gas-sensing properties

被引:360
|
作者
Polleux, J
Gurlo, A
Barsan, N
Weimar, U
Antonietti, M
Niederberger, M
机构
[1] Max Planck Inst Colloids & Interfaces, D-14424 Potsdam, Germany
[2] Univ Tubingen, Inst Phys & Theoret Chem, D-72086 Tubingen, Germany
关键词
nanowires; organic-inorganic hybrid composites; oxides; sensors; tungsten;
D O I
10.1002/anie.200502823
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
A nonaqueous approach that involves the reaction of tungsten isopropoxide with benzyl alcohol leads to tungsten oxide nanowire bundles without the use of any additional structure-directing templates. The bundles consist of crystalline nanowires with highly uniform diameters of about 1 nm and aspect ratios exceeding 500 (see picture). Gas-sensing tests show a high sensitivity to NO2. (Figure Presented) © 2006 Wiley-VCH Verlag GmbH & Co. KGaA.
引用
收藏
页码:261 / 265
页数:5
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