Fabrication and H-Sensing Properties of SnO Nanosheet Gas Sensors.

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ID: 32941
2018
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Abstract
Vertically formed and well-defined SnO nanosheets are easy to fabricate, involving only a single process that is performed under moderate conditions. In this study, two different sizes of a SnO nanosheet were concurrently formed on a Pt interdigitated electrode chip, with interconnections between the two. As the SnO nanosheets were grown over time, the interconnections became stronger. The ability of the fabricated SnO nanosheets to sense H gas was evaluated in terms of the variation in their resistance. The resistance of a SnO nanosheet decreased with the introduction of H gas and returned to its initial level after the H gas was replaced with air. Also, the response-recovery behaviors were improved as a result of the growth of the SnO nanosheets owing to the presence of many reaction sites and strong interconnections, which may provide multipassages for the electron transfer channel, leading to the acceleration of the reaction between the H gas and SnO nanosheets.
Reference Key
choi2018fabricationacs Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Choi, Pil Gyu;Izu, Noriya;Shirahata, Naoto;Masuda, Yoshitake;
Journal ACS omega
Year 2018
DOI
10.1021/acsomega.8b01635
URL
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