Vertically ordered SnO2 nanobamboos for substantially improved detection of volatile reducing gases

Jong-Myeong Jeon; Young-Seok Shim; Su Deok Han; Do Hong Kim; Yeon Hoo Kim; Chong-Yun Kang; Jin-Sang Kim; Miyoung Kim; Ho Won Jang

doi:10.1039/C5TA03293H

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Vertically ordered SnO₂ nanobamboos for substantially improved detection of volatile reducing gases†

Jong-Myeong Jeon,‡^a Young-Seok Shim,‡^a Su Deok Han,^b Do Hong Kim,^a Yeon Hoo Kim,^a Chong-Yun Kang,^b Jin-Sang Kim,^b Miyoung Kim^a and Ho Won Jang*^a

Author affiliations

* Corresponding authors

^a Department of Materials Science and Engineering, Research Institute of Advanced Materials, Seoul National University, Seoul 151-744, Korea
E-mail: hwjang@snu.ac.kr
Fax: +82 2 884 1413
Tel: +82 2 880 1720

^b Electronic Materials Research Center, Korea Institute of Science and Technology, Seoul 136-791, Korea

Abstract

Vertically ordered SnO₂ nanorods with Au nanoparticles deposited in multiple steps, namely, SnO₂ nanobamboos are synthesized by a glancing-angle deposition technique. The highly ordered porous structures enable us to detect sub-ppb levels of volatile reducing gases with a fast response speed by maximizing the sensitization effects of the Au nanoparticles.

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Article information

DOI: https://doi.org/10.1039/C5TA03293H
Article type: Communication
Submitted: 05 May 2015
Accepted: 13 Jul 2015
First published: 13 Jul 2015

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J. Mater. Chem. A, 2015,3, 17939-17945

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Vertically ordered SnO₂ nanobamboos for substantially improved detection of volatile reducing gases

J. Jeon, Y. Shim, S. D. Han, D. H. Kim, Y. H. Kim, C. Kang, J. Kim, M. Kim and H. W. Jang, J. Mater. Chem. A, 2015, 3, 17939 DOI: 10.1039/C5TA03293H

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Journal of Materials Chemistry A