Issue 10, 2011
From the journal:

Chemical Communications

Formaldehyde gas sensing chip based on single-walled carbon nanotubes and thin water layer†

Ji Yeon Kim,a   Joohyung Lee,b   Seunghun Hong*bc  and  Taek Dong Chung*a  

* Corresponding authors

a Department of Chemistry, Seoul National University, Seoul 151-747, Korea
E-mail: tdchung@snu.ac.kr
Fax: +82-2-887-4354
Tel: +82-2-880-4362

b Department of Physics and Astronomy, Seoul National University, Seoul, Korea
E-mail: seunghun@snu.ac.kr
Tel: +82-2-884-5572+82-2-880-1343

c Department of Biophysics and Chemical Biology, Seoul National University, Seoul, Korea
E-mail: seunghun@snu.ac.kr
Fax: +82-2-884-5572
Tel: +82-2-880-1343

Abstract

We report a unique gaseous formaldehyde sensing chip based on a combination between patterned single-walled carbon nanotube field effect transistors and a precisely controlled aqueous layer with photopolymerized polyelectrolytic gels. The proposed system reliably detects 0.1 ppb level formaldehyde gas, suggesting a new type of indoor air quality monitoring device.

Graphical abstract: Formaldehyde gas sensing chip based on single-walled carbon nanotubes and thin water layer

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Article information

DOI
https://doi.org/10.1039/C0CC04978F
Article type
Communication
Submitted
16 Nov 2010
Accepted
22 Dec 2010
First published
17 Jan 2011

Chem. Commun., 2011,47, 2892-2894

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Formaldehyde gas sensing chip based on single-walled carbon nanotubes and thin water layer

J. Y. Kim, J. Lee, S. Hong and T. D. Chung, Chem. Commun., 2011, 47, 2892 DOI: 10.1039/C0CC04978F

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