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Vol. 34, No. 8(3), S&M3042

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Vol. 32, No. 8(2), S&M2292

Print: ISSN 0914-4935
Online: ISSN 2435-0869
Sensors and Materials
is an international peer-reviewed open access journal to provide a forum for researchers working in multidisciplinary fields of sensing technology.
Sensors and Materials
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Sensors and Materials, Volume 24, Number 2 (2012)
Copyright(C) MYU K.K.
pp. 75-86
S&M870 Research Paper
https://doi.org/10.18494/SAM.2012.736
Published: February 16, 2012

Sensing Properties of Tin Acetylacetonate-Based Thin Films Doped with Platinum [PDF]

Přemysl Fitl, Vladimír Myslík, Martin Vrňata, Josef Náhlík, Dušan Kopecký, Jan Vlček, Jaroslav Hofmann and Ján Lančok

(Received November 16, 2010; Accepted March 11, 2011)

Keywords: gas sensing, tin acetylacetonate, pulsed laser deposition (PLD) method, selectivity tunable by temperature

Thin sensing films based on tin acetylacetonate (SnAcAc) with a platinum catalyst were prepared in situ by pulsed laser deposition (PLD) with a Nd:YAG laser. The morphology and roughness of both as-deposited and annealed layers were characterized. These layers were also deposited on alumina sensor substrates with interdigital Pt electrodes and then used for the detection of hydrogen, n-butanol, toluene, and water vapors in synthetic air. The temperature dependence of the response of the prepared sensors was measured in the range of 40–350℃. It was proved that the selectivity to the above mentioned gases is easily tunable by adjusting the operating temperature of the sensor. The maximum response was achieved at 110℃ for hydrogen, 220℃ for n-butanol, 300℃ for toluene, and 340℃ for water vapor. The activation energy of surface reactions taking place during the detection process was also calculated.

Corresponding author: Přemysl Fitl


Cite this article
Přemysl Fitl, Vladimír Myslík, Martin Vrňata, Josef Náhlík, Dušan Kopecký, Jan Vlček, Jaroslav Hofmann and Ján Lančok, Sensing Properties of Tin Acetylacetonate-Based Thin Films Doped with Platinum, Sens. Mater., Vol. 24, No. 2, 2012, p. 75-86.



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