The 80th JSAP Autumn Meeting 2019
Sep 18 - Sep 21, 2019Sapporo Campus, Hokkaido University
The 80th JSAP Autumn Meeting 2019
Sep 18 - Sep 21, 2019Sapporo Campus, Hokkaido University
[19a-C206-4]High-Concentration Methanol Gas Sensing with WO3 Nanoparticle Film under Visible Light at Room Temperature
〇Katsuyuki Naito1, Naomi Shida1(1.Toshiba R&D Center)
Keywords:
WO3,sensor,methanol
We developed high concentration sensing technology of methanol gas expected for P2C with safety and low cost. WO3 nanoparticles were coated on a comb-shaped Pt electrode and illuminated with a white LED at room temperature. The resistance decreased by 70% for high concentration methanol gas (17 vol%) and by 9% and 4% for 3.5 and 1.2 vol% methanol, respectively. The response is very small without light.