期刊
JOURNAL OF ALLOYS AND COMPOUNDS
卷 657, 期 -, 页码 765-769出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jallcom.2015.10.167
关键词
TiO2; Flexible sensor; Membrane; Trimethylamine
A flexible gas sensor operating at low temperature was achieved using TiO2 membrane nanotubes prepared by anodization method. The TiO2 membrane nanotubes have an average diameter of 100 nm with a length of 12 mu m. TiO2 membrane nanotubes was supported over a flexible substrate, onto which array interdigitated gold electrodes were obtained using conventional microfabrication procedure. The sensing characteristics were investigated by measuring the electrical resistance of the sensor in a test chamber as a function of gas concentration. This was used to detect trimethylamine (TMA) within a concentration range of 40-400 ppm. The experiment results show that the TiO2 membrane nanotubes are a kind of promising material for detecting TMA at low temperature. (C) 2015 Elsevier B.V. All rights reserved.
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