Scientific Results

Tin(IV) sulfide nanorods as a new gas sensing material

Year: 2016

Authors: Giberti A., Gaiardo A., Fabbri B., Gherardi S., Guidi V., Malagu C., Bellutti P., Zonta G., Casotti D., Cruciani G.

Autors Affiliation: Univ Ferrara, Dept Phys & Earth Sci, I-44122 Ferrara, Italy;‎ MIST ER Scrl, I-40129 Bologna, Italy;‎ CNR, INO, I-50124 Florence, Italy;‎ Bruno Kessler Fdn, MNF, I-38123 Trento, Italy

Abstract: Nanosized tin disulfide (SnS2) powder was synthesized through a simple and inexpensive process, then characterized via thermal, chemical, structural and morphological analyses. Conductometric gas sensors based on thick films of synthesized SnS2 were fabricated by means of screen-printing technology and their sensing properties tested vs. aldehydes, ketones and other gaseous compounds. We found that, at working temperature of 300 degrees C, the SnS2 films showed a strong selectivity vs. the carbonyl group of aldehydes and ketones, proving that they can efficiently be detected even in complex mixtures with interferers. In comparison with its oxide counterpart, SnS2 proved to be more stable, in term of the longterm drift of the signal. On the base of the obtained results, practical applications of such a sensor have been addressed. (C) 2015 Elsevier B.V. All rights reserved.

Journal/Review: SENSORS AND ACTUATORS B-CHEMICAL

Volume: 223      Pages from: 827  to: 833

KeyWords: Gas sensor; Tin sulfide; Nanostructured SnS2 film
DOI: 10.1016/j.snb.2015.10.007

Citations: 38
data from “WEB OF SCIENCE” (of Thomson Reuters) are update at: 2021-10-17
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