Volume 134, Issue 26
Article

Gas-sensor fabrication by a layer-by-layer technique using polydiacetylene

Minhee Kim

Minhee Kim

Department of Chemistry, Chungbuk National University, Cheongju, Chungbuk, 28644 Korea

M. Kim and Y. J. Shin contributed equally to this work

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Young Jae Shin

Young Jae Shin

Department of Physics, Harvard University, Cambridge, Massachusetts, 02138

M. Kim and Y. J. Shin contributed equally to this work

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Min Jae Shin

Corresponding Author

Min Jae Shin

School of Integrated Oriental Medical Bioscience, Semyung University, Jecheon, Chungbuk, 27136 Korea

Correspondence to: M. J. Shin (E-mail: [email protected]) and J. S. Shin (E-mail: [email protected])Search for more papers by this author
Jae Sup Shin

Corresponding Author

Jae Sup Shin

Department of Chemistry, Chungbuk National University, Cheongju, Chungbuk, 28644 Korea

Correspondence to: M. J. Shin (E-mail: [email protected]) and J. S. Shin (E-mail: [email protected])Search for more papers by this author
First published: 02 March 2017
Citations: 11

ABSTRACT

In order to increase the sensitivity of a polydiacetylene (PDA) sensor, PDA, and poly(sodium 4-styrene-sulfonate) (PSS) were alternately stacked to form a layer-by-layer (LBL) film on the quartz. In this study, N-(2-aminoethyl)pentacosa-10,12-diynamide (AEPCDA) was used as a constituent of the PDA and n-butylamine was used as a target compound. The formed-film sensor showed higher sensitivity than the vesicle solution. There was a large difference in sensitivity depending on the method used to form the LBL film. Unlike the vesicle solution state, the formed-film sensor exhibited excellent reversibility in the color change caused by heat. The LBL film formed worked very well as a sensor that detects the actual gas, n-butyl amine, showing its potential for practical applications. © 2017 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2017, 134, 44997.

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