Detection of organic gases using TiO2 nanotube-based gas sensors

Min Hyun Seo; Masayoshi Yuasa; Tetsuya Kida; Jeung Soo Huh; Noboru Yamazoe; Kengo Shimanoe

doi:10.1016/j.proche.2009.07.048

Detection of organic gases using TiO₂ nanotube-based gas sensors

Min Hyun Seo, Masayoshi Yuasa, Tetsuya Kida, Jeung Soo Huh, Noboru Yamazoe, Kengo Shimanoe

Functional Materials Science

Research output: Contribution to journal › Conference article › peer-review

43 Citations (Scopus)

Abstract

We fabricated porous gas sensing films composed of TiO₂ nanotubes prepared by a hydrothermal treatment for the detection of organic gases, such as alcohol and toluene. The morphology of the sensing films was controlled with a ball-milling treatment and calcination at high temperature to improve the sensitivity of the films. The sensor using nanotubes with the ball-milling treatment exhibited the improved sensor responses to toluene at 500oC. The results obtained indicated the importance of the microstructure control of sensing layers in terms of particle packing density, pore size distribution, and particle size and shape for detecting large sized organic gas molecules.

Original language	English
Pages (from-to)	192-195
Number of pages	4
Journal	Procedia Chemistry
Volume	1
Issue number	1
DOIs	https://doi.org/10.1016/j.proche.2009.07.048
Publication status	Published - Sept 2009
Event	Eurosensors 23rd Conference - Lausanne, Switzerland Duration: Sept 6 2009 → Sept 9 2009

All Science Journal Classification (ASJC) codes

Chemistry(all)
Chemical Engineering(all)

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10.1016/j.proche.2009.07.048

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title = "Detection of organic gases using TiO2 nanotube-based gas sensors",

abstract = "We fabricated porous gas sensing films composed of TiO2 nanotubes prepared by a hydrothermal treatment for the detection of organic gases, such as alcohol and toluene. The morphology of the sensing films was controlled with a ball-milling treatment and calcination at high temperature to improve the sensitivity of the films. The sensor using nanotubes with the ball-milling treatment exhibited the improved sensor responses to toluene at 500oC. The results obtained indicated the importance of the microstructure control of sensing layers in terms of particle packing density, pore size distribution, and particle size and shape for detecting large sized organic gas molecules.",

author = "Seo, {Min Hyun} and Masayoshi Yuasa and Tetsuya Kida and Huh, {Jeung Soo} and Noboru Yamazoe and Kengo Shimanoe",

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T1 - Detection of organic gases using TiO2 nanotube-based gas sensors

AU - Seo, Min Hyun

AU - Yuasa, Masayoshi

AU - Kida, Tetsuya

AU - Huh, Jeung Soo

AU - Yamazoe, Noboru

AU - Shimanoe, Kengo

PY - 2009/9

Y1 - 2009/9

N2 - We fabricated porous gas sensing films composed of TiO2 nanotubes prepared by a hydrothermal treatment for the detection of organic gases, such as alcohol and toluene. The morphology of the sensing films was controlled with a ball-milling treatment and calcination at high temperature to improve the sensitivity of the films. The sensor using nanotubes with the ball-milling treatment exhibited the improved sensor responses to toluene at 500oC. The results obtained indicated the importance of the microstructure control of sensing layers in terms of particle packing density, pore size distribution, and particle size and shape for detecting large sized organic gas molecules.

AB - We fabricated porous gas sensing films composed of TiO2 nanotubes prepared by a hydrothermal treatment for the detection of organic gases, such as alcohol and toluene. The morphology of the sensing films was controlled with a ball-milling treatment and calcination at high temperature to improve the sensitivity of the films. The sensor using nanotubes with the ball-milling treatment exhibited the improved sensor responses to toluene at 500oC. The results obtained indicated the importance of the microstructure control of sensing layers in terms of particle packing density, pore size distribution, and particle size and shape for detecting large sized organic gas molecules.

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Detection of organic gases using TiO₂ nanotube-based gas sensors

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