Size-Independent and Ultrahigh CO Gas Sensor Based on TiO<inf>2</inf>Modified ZnO Tetrapods

© 2018 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim ZnO tetrapods modified by TiO2powder are synthesized using a simple fast thermal oxidation method, and theirs CO sensing properties are investigated. The ZnO tetrapods modified by TiO2powder sensor is tested at 250–400 °C under different CO con...

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Main Authors: Theerapong Santhaveesuk, Kengo Shimanoe, Koichi Suematsu, Supab Choopun
Format: Journal
Published: 2018
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http://cmuir.cmu.ac.th/jspui/handle/6653943832/58669
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Institution: Chiang Mai University
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spelling th-cmuir.6653943832-586692018-09-05T04:38:52Z Size-Independent and Ultrahigh CO Gas Sensor Based on TiO<inf>2</inf>Modified ZnO Tetrapods Theerapong Santhaveesuk Kengo Shimanoe Koichi Suematsu Supab Choopun Engineering Materials Science Physics and Astronomy © 2018 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim ZnO tetrapods modified by TiO2powder are synthesized using a simple fast thermal oxidation method, and theirs CO sensing properties are investigated. The ZnO tetrapods modified by TiO2powder sensor is tested at 250–400 °C under different CO concentrations compared with pure ZnO tetrapods, ZnO nanoparticle, and ZnO powder sensors. With a good crystallinity and a high pore size, the ZnO tetrapods modified by TiO2powder sensor shows the highest sensing response compared to other sensors, exhibiting a size-independent property for CO. Additionally, the response time of ZnO tetrapods modified by TiO2powder sensor is reduced. The improvement of the sensing properties is attributed to microstructure, lattice, surface area, and conductance modification of TiO2additive together with a high diffusion process deeply inside the sensing layer through the large pore size. 2018-09-05T04:27:59Z 2018-09-05T04:27:59Z 2018-07-24 Journal 18626319 18626300 2-s2.0-85047495524 10.1002/pssa.201700784 https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85047495524&origin=inward http://cmuir.cmu.ac.th/jspui/handle/6653943832/58669
institution Chiang Mai University
building Chiang Mai University Library
country Thailand
collection CMU Intellectual Repository
topic Engineering
Materials Science
Physics and Astronomy
spellingShingle Engineering
Materials Science
Physics and Astronomy
Theerapong Santhaveesuk
Kengo Shimanoe
Koichi Suematsu
Supab Choopun
Size-Independent and Ultrahigh CO Gas Sensor Based on TiO<inf>2</inf>Modified ZnO Tetrapods
description © 2018 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim ZnO tetrapods modified by TiO2powder are synthesized using a simple fast thermal oxidation method, and theirs CO sensing properties are investigated. The ZnO tetrapods modified by TiO2powder sensor is tested at 250–400 °C under different CO concentrations compared with pure ZnO tetrapods, ZnO nanoparticle, and ZnO powder sensors. With a good crystallinity and a high pore size, the ZnO tetrapods modified by TiO2powder sensor shows the highest sensing response compared to other sensors, exhibiting a size-independent property for CO. Additionally, the response time of ZnO tetrapods modified by TiO2powder sensor is reduced. The improvement of the sensing properties is attributed to microstructure, lattice, surface area, and conductance modification of TiO2additive together with a high diffusion process deeply inside the sensing layer through the large pore size.
format Journal
author Theerapong Santhaveesuk
Kengo Shimanoe
Koichi Suematsu
Supab Choopun
author_facet Theerapong Santhaveesuk
Kengo Shimanoe
Koichi Suematsu
Supab Choopun
author_sort Theerapong Santhaveesuk
title Size-Independent and Ultrahigh CO Gas Sensor Based on TiO<inf>2</inf>Modified ZnO Tetrapods
title_short Size-Independent and Ultrahigh CO Gas Sensor Based on TiO<inf>2</inf>Modified ZnO Tetrapods
title_full Size-Independent and Ultrahigh CO Gas Sensor Based on TiO<inf>2</inf>Modified ZnO Tetrapods
title_fullStr Size-Independent and Ultrahigh CO Gas Sensor Based on TiO<inf>2</inf>Modified ZnO Tetrapods
title_full_unstemmed Size-Independent and Ultrahigh CO Gas Sensor Based on TiO<inf>2</inf>Modified ZnO Tetrapods
title_sort size-independent and ultrahigh co gas sensor based on tio<inf>2</inf>modified zno tetrapods
publishDate 2018
url https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85047495524&origin=inward
http://cmuir.cmu.ac.th/jspui/handle/6653943832/58669
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