Discrimination of Methanol from Ethanol in Gasoline Using a Membrane-type Surface Stress Sensor Coated with Copper(I) Complex

Michihiro Nishikawa; Tomohiro Murata; Shinsuke Ishihara; Kota Shiba; Lok Kumar Shrestha; Genki Yoshikawa; Kosuke Minami; Katsuhiko Ariga

doi:10.1246/bcsj.20200347

論文 Discrimination of Methanol from Ethanol in Gasoline Using a Membrane-type Surface Stress Sensor Coated with Copper(I) Complex

Michihiro Nishikawa ; Tomohiro Murata ; Shinsuke Ishihara (National Institute for Materials Science) ; Kota Shiba (National Institute for Materials Science) ; Lok Kumar Shrestha (National Institute for Materials Science) ; Genki Yoshikawa (National Institute for Materials Science) ; Kosuke Minami (National Institute for Materials Science) ; Katsuhiko Ariga (National Institute for Materials Science)

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Michihiro Nishikawa, Tomohiro Murata, Shinsuke Ishihara, Kota Shiba, Lok Kumar Shrestha, Genki Yoshikawa, Kosuke Minami, Katsuhiko Ariga. Discrimination of Methanol from Ethanol in Gasoline Using a Membrane-type Surface Stress Sensor Coated with Copper(I) Complex. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN. 2021, 94 (2), 648-654. https://doi.org/10.1246/bcsj.20200347

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(abstract)

We successfully fabricated a novel sensing platform, a Membrane-type Surface stress Sensor (MSS) coated with copper(I) complex for specific molecular sensing. Based on the transduction of mechanical stresses derived from sorption-induced deformation of Cu(I) complex, detection performance of various volatile organic compounds (VOCs) has been investigated. The fabricated sensor devices showed selective responses to methanol over a wide range of VOCs. In addition, distinct MSS signals upon exposure to methanol were observed for mixing samples of methanol in n-hexane and gasoline with clear discrimination of ethanol mixtures.

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