期刊
SENSORS AND ACTUATORS B-CHEMICAL
卷 153, 期 2, 页码 329-334出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.snb.2010.10.029
关键词
Exhaust gas sensing; Sol-gel nanoparticles; Anatase; Titania; SCR
Highly redispersible anatase nanoparticles were prepared by a novel sol-gel based hydrothermal process for gas sensing applications. Thin titania films composed of nanoparticles were deposited on Au inter-digital electrodes by dip-coating, annealed and tested in a gas test bench at 350 degrees C. The anatase films showed a very high sensitivity towards ammonia and no cross interference by CO2, O-2 and C3H8. To classify the sensor as an ammonia gas sensor, a comparison with other sensor designs from literature has been performed. (C) 2010 Elsevier B.V. All rights reserved.
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