期刊
SENSORS AND ACTUATORS B-CHEMICAL
卷 131, 期 1, 页码 313-317出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.snb.2007.11.032
关键词
tin oxides; nanotubes; sol - gel; gas-sensors; nanocrystallites
Semiconductor tin oxide (SnO2) nanotubes have been synthesised in bulk quantities using a sol-get template (AAO membrane) synthetic technique. The morphology and crystal structure of SnO2 nanotubes were characterised by a field emission scanning electron microscope (FESEM) and a transmission electron microscope (TEM). The as-prepared SnO2 nanotubes are polycrystalline with an outer diameter of 200 nm, an inner diameter of about 150 nm and a length extending to tens of micrometers. SnO2 nanotube sensors exhibited high sensitivity towards ethanol gas. (c) 2007 Elsevier B.V. All rights reserved.
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