Presentation 1998/5/29
Structure and NO_2 Gas Sensing Properties in Copper Phthalocyanine Langmuir-Blodgett Film Devices
Kazunari SHINBO, Tsuyosi TAKEISHI, Yusuke KONDO, Keizo KATO, Futao KANEKO, Satoshi KOBAYASHI,
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Abstract(in English) Cooper phthalocyanine(CuPc)LB film devices were fabricated and the sensing properties of NO_2 gas were investigated. The CuPc LB films were deposited onto glass substrates or the glasses covered with three monolayers of cadmium arachidate LB films, using two xylene solutions containing 0.1mM and 0.5mM CuPc. The πA isotherms suggested the formation of bi-monolayer at the water surface in the case using 0.5mM solution. The excellent deposition was carried out in the case using the glass substrates covered with the cadmium arachidate LB monolayers, which was supported by the AFM measurement. The currents increased with time by the change of the atmosphere gas from N_2 to NO_2 and vice versa. The response spectra strongly depended on the concentrations of the spreading solution and the substrates. The responses were tentatively estimated to be due to the adsorption of the NO_2 gas molecules on the LB films and the diffusion of NO_2 gas molecules into the films. These results are greatly useful for development of NO_2 gas sensors.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) phthalocyanine / Langmuir-Blodgett film / NO_2 gas sensor / current response
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Committee OME
Conference Date 1998/5/29(1days)
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Registration To Organic Material Electronics (OME)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Structure and NO_2 Gas Sensing Properties in Copper Phthalocyanine Langmuir-Blodgett Film Devices
Sub Title (in English)
Keyword(1) phthalocyanine
Keyword(2) Langmuir-Blodgett film
Keyword(3) NO_2 gas sensor
Keyword(4) current response
1st Author's Name Kazunari SHINBO
1st Author's Affiliation Dep.of Electrical and Electronic Eng., Niigata Univ.()
2nd Author's Name Tsuyosi TAKEISHI
2nd Author's Affiliation Dep.of Electrical and Electronic Eng., Niigata Univ.
3rd Author's Name Yusuke KONDO
3rd Author's Affiliation Dep.of Electrical and Electronic Eng., Niigata Univ.
4th Author's Name Keizo KATO
4th Author's Affiliation Dep.of Electrical and Electronic Eng., Niigata Univ.
5th Author's Name Futao KANEKO
5th Author's Affiliation Dep.of Electrical and Electronic Eng., Niigata Univ.
6th Author's Name Satoshi KOBAYASHI
6th Author's Affiliation Dep.of Electrical and Electronic Eng., Niigata Univ.
Date 1998/5/29
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Volume (vol) vol.98
Number (no) 92
Page pp.pp.-
#Pages 6
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