Presentation 2008-01-11
Two-dimensional chemical sensor, using light addressable organic thin film
Masataka TAKAZAWA, Takuya HAGIWARA, Yuki HASEGAWA, Hidekazu UCHIDA,
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Abstract(in English) Light Addressable Potentiometric Sensor (LAPS) is a promising measurement technique in analytical chemistry and molecular biology that enables two dimensional imaging of ion distribution and enzyme activities on the sensor surface. The usual LAPS employs silicon as photoactive layer and realized high performance sensing systems by semiconductor technology, but on the other hand, that requires high cost semiconductor processes for high spacial resolution. In this paper, we proposed a novel light addressable sensor using an organic thin film as optical active layer in place of an inorganic material such as Si in the usual LAPS, that enables to make a superior resolution sensor with a large sensing area by low cost process. We showed a dye sensitized poly (N-vinilcarbazole) film has suitable characteristics for the sensor. We also discussed about voltammetry by ac photocurrent measurement.
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Keyword(in English) chemical sensor / photo-conductive organic thin film
Paper # OME2007-72
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Committee OME
Conference Date 2008/1/4(1days)
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Registration To Organic Material Electronics (OME)
Language JPN
Title (in Japanese) (See Japanese page)
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Title (in English) Two-dimensional chemical sensor, using light addressable organic thin film
Sub Title (in English)
Keyword(1) chemical sensor
Keyword(2) photo-conductive organic thin film
1st Author's Name Masataka TAKAZAWA
1st Author's Affiliation Faculty of Engineering, Saitama University()
2nd Author's Name Takuya HAGIWARA
2nd Author's Affiliation Faculty of Engineering, Saitama University
3rd Author's Name Yuki HASEGAWA
3rd Author's Affiliation Faculty of Engineering, Saitama University
4th Author's Name Hidekazu UCHIDA
4th Author's Affiliation Faculty of Engineering, Saitama University
Date 2008-01-11
Paper # OME2007-72
Volume (vol) vol.107
Number (no) 412
Page pp.pp.-
#Pages 5
Date of Issue