Study on the Two-Dimensional Chemical Sensor using a Photoconductive Polymer Film

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概要

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• We have developed the two-dimensional chemical sensor using a photoconductive polymer film. This paper presents the refined fabrication process and the characteristics of the devices. We investigated poly(N-vinylcarbazole) (PVK) and poly(2-vinylcarbazole) (2-PVK) as the photoconductive materials. Copper(II)2,9,16,23-tetra-tert-butyl-29H,31H-phthalocyanine (Bu-CuPc) was used as dopant for dye sensitization. We fabricated the devices by spin-coat method. From the results of our study, the device fabricated by using 2-PVK with Bu-CuPc showed high photoconductivity, high S/N and concentration dependence. The detection limit of K<SUB>3</SUB>Fe(CN)<SUB>6</SUB>/K<SUB>4</SUB>Fe(CN)<SUB>6</SUB> was approximately 1nM. Moreover, it was found that the photoconductivity depended on the quantity of dopant and the thickness of the film. It was also found that the S/N depended on the flatness of the film. In future study, we will intend to perform two-dimensional measurement.

著者

• Uchida Hidekazu

  Graduate School Of Science And Engineering Saitama University

• Hasegawa Yuki

  Graduate School Of Engineering Tokyo University Of Agriculture And Technology

• Arai Hideki

  Graduate school of Science and Engineering, Saitama University

• Goto Daisuke

  Graduate school of Science and Engineering, Saitama University

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• Study on the Two-Dimensional Chemical Sensor using a Photoconductive Polymer Film
• Study on the Two-Dimensional Chemical Sensor using a Photoconductive Polymer Film

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