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Proceedings 2017, 1(4), 327;

Characterization and Ammonia Sensing Properties of 2D SnS2/SnO2−x Flakes-Based Films

Department of Engineering, University of Messina, Messina 98166, Italy
School of Engineering, RMIT University, Melbourne, VIC 3000, Australia
The Key Laboratory of Inorganic Functional Materials and Devices, Shanghai Institute of Ceramics, Chinese Academy of Sciences, 200050 Shanghai, China
Nanoelectronics and MEMS Laboratory, National Electronics and Computer Technology Center, National Science and Technology Development Agency, KlongLuang, Pathumthani 12120, Thailand
Presented at the Eurosensors 2017 Conference, Paris, France, 3–6 September 2017.
Author to whom correspondence should be addressed.
Published: 9 August 2017
(This article belongs to the Proceedings of Eurosensors 2017)
PDF [358 KB, uploaded 14 August 2017]


Hybrid SnS2-SnO2−x flaked nanostructures were obtained from 2D-SnS2 flakes deposited as a thin sensing film onto a conductometric transducing platform and annealed in air. The formation of 2D-SnS2/SnO2−x mixed phases and the materials morphologies were investigated by in situ Micro-Raman spectroscopy and SEM-EDX analysis. As annealing temperature of the sensitive film increases, the response towards ammonia increases showing a maximum at 250 °C. This behavior can be explained on the basis of the morphological modification and the formation of mixed phases.
Keywords: two-dimensional tin sulphide; SnS2 nanoflakes; NH3 sensor two-dimensional tin sulphide; SnS2 nanoflakes; NH3 sensor
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Leonardi, S.G.; Wlodarski, W.; Ippolito, S.; Li, Y.; Wisitsoraat, A.; Donato, N.; Neri, G. Characterization and Ammonia Sensing Properties of 2D SnS2/SnO2−x Flakes-Based Films. Proceedings 2017, 1, 327.

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