Nanosized titania derived from a novel sol-gel process for ammonia gas sensor applications |
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| Authors: | Diana BiskupskiAuthor Vitae Bettina HerbigAuthor VitaeGerhard SchottnerAuthor Vitae Ralf MoosAuthor Vitae |
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| Affiliation: | a Bayreuth Engine Research Center, Functional Materials, University of Bayreuth, 95440 Bayreuth, Germany
b Fraunhofer Institute for Silicate Research, ISC, Neunerplatz 2, 97082 Würzburg, Germany |
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| Abstract: | 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 interdigital electrodes by dip-coating, annealed and tested in a gas test bench at 350 °C. The anatase films showed a very high sensitivity towards ammonia and no cross interference by CO2, O2 and C3H8. To classify the sensor as an ammonia gas sensor, a comparison with other sensor designs from literature has been performed. |
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| Keywords: | Exhaust gas sensing Sol-gel nanoparticles Anatase Titania SCR |
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