Ethanol sensing properties of Zn<inf>2</inf>TiO<inf>4</inf> particles

© 2015 Elsevier Ltd and Techna Group S.r.l. Zn<inf>2</inf>TiO<inf>4</inf> particles were prepared using the ball-milling technique in ethanol solution. Zn powder mixing with anatase-TiO<inf>2</inf> powder at ratio of 2:1 by mole were used as raw materials. The mix...

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Main Authors: Santhaveesuk,T., Gardchareon,A., Wongratanaphisan,D., Choopun,S.
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Published: Elsevier Limited 2015
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spelling th-cmuir.6653943832-389292015-06-16T07:54:37Z Ethanol sensing properties of Zn<inf>2</inf>TiO<inf>4</inf> particles Santhaveesuk,T. Gardchareon,A. Wongratanaphisan,D. Choopun,S. Surfaces, Coatings and Films Materials Chemistry Electronic, Optical and Magnetic Materials Ceramics and Composites Process Chemistry and Technology © 2015 Elsevier Ltd and Techna Group S.r.l. Zn<inf>2</inf>TiO<inf>4</inf> particles were prepared using the ball-milling technique in ethanol solution. Zn powder mixing with anatase-TiO<inf>2</inf> powder at ratio of 2:1 by mole were used as raw materials. The mixed powders were grounded in agate mortar for 2h, subsequently transferred into the ball-milled container with 1mm zirconia balls and, then, milled for 24h with ball-milling speeds of 200, 300 and 400rpm. The ratio of powders and zirconia balls was 1:20 by weight. After that, the powders were washed using distilled water for 4 times, dried at 80°C for 24h and calcined at 1000°C for 6h. Morphological characteristics, chemical compositions, phase formation and defect of the synthesized powder were examined. The SEM result showed that the particle size was reduced as increase in the ball-milling speed, while the EDS showed that the Zn/Ti ratio was about 2. The XRD indicated that the synthesized powders exhibited a face center cubic Zn<inf>2</inf>TiO<inf>4</inf> phase, confirming by the Raman spectra. The Zn<inf>2</inf>TiO<inf>4</inf> particles were fabricated as the thick film ethanol sensor and tested under 50 and 200ppm ethanol concentration at 300-500°C. Our results suggest that the Zn<inf>2</inf>TiO<inf>4</inf> particles can be used for detection of ethanol vapor, and the sensor current increased with increasing of ethanol concentration. The highest sensitivity observed at 500°C was 3.83 for 200rpm, 1.92 for 300rpm and 2.36 for 400rpm samples. This implied that, the Zn<inf>2</inf>TiO<inf>4</inf> sensor can be a good candidate for high temperature application. 2015-06-16T07:54:37Z 2015-06-16T07:54:37Z 2014-10-26 Article in Press 02728842 2-s2.0-84928037268 10.1016/j.ceramint.2015.03.230 http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=84928037268&origin=inward http://cmuir.cmu.ac.th/handle/6653943832/38929 Elsevier Limited
institution Chiang Mai University
building Chiang Mai University Library
country Thailand
collection CMU Intellectual Repository
topic Surfaces, Coatings and Films
Materials Chemistry
Electronic, Optical and Magnetic Materials
Ceramics and Composites
Process Chemistry and Technology
spellingShingle Surfaces, Coatings and Films
Materials Chemistry
Electronic, Optical and Magnetic Materials
Ceramics and Composites
Process Chemistry and Technology
Santhaveesuk,T.
Gardchareon,A.
Wongratanaphisan,D.
Choopun,S.
Ethanol sensing properties of Zn<inf>2</inf>TiO<inf>4</inf> particles
description © 2015 Elsevier Ltd and Techna Group S.r.l. Zn<inf>2</inf>TiO<inf>4</inf> particles were prepared using the ball-milling technique in ethanol solution. Zn powder mixing with anatase-TiO<inf>2</inf> powder at ratio of 2:1 by mole were used as raw materials. The mixed powders were grounded in agate mortar for 2h, subsequently transferred into the ball-milled container with 1mm zirconia balls and, then, milled for 24h with ball-milling speeds of 200, 300 and 400rpm. The ratio of powders and zirconia balls was 1:20 by weight. After that, the powders were washed using distilled water for 4 times, dried at 80°C for 24h and calcined at 1000°C for 6h. Morphological characteristics, chemical compositions, phase formation and defect of the synthesized powder were examined. The SEM result showed that the particle size was reduced as increase in the ball-milling speed, while the EDS showed that the Zn/Ti ratio was about 2. The XRD indicated that the synthesized powders exhibited a face center cubic Zn<inf>2</inf>TiO<inf>4</inf> phase, confirming by the Raman spectra. The Zn<inf>2</inf>TiO<inf>4</inf> particles were fabricated as the thick film ethanol sensor and tested under 50 and 200ppm ethanol concentration at 300-500°C. Our results suggest that the Zn<inf>2</inf>TiO<inf>4</inf> particles can be used for detection of ethanol vapor, and the sensor current increased with increasing of ethanol concentration. The highest sensitivity observed at 500°C was 3.83 for 200rpm, 1.92 for 300rpm and 2.36 for 400rpm samples. This implied that, the Zn<inf>2</inf>TiO<inf>4</inf> sensor can be a good candidate for high temperature application.
format Article
author Santhaveesuk,T.
Gardchareon,A.
Wongratanaphisan,D.
Choopun,S.
author_facet Santhaveesuk,T.
Gardchareon,A.
Wongratanaphisan,D.
Choopun,S.
author_sort Santhaveesuk,T.
title Ethanol sensing properties of Zn<inf>2</inf>TiO<inf>4</inf> particles
title_short Ethanol sensing properties of Zn<inf>2</inf>TiO<inf>4</inf> particles
title_full Ethanol sensing properties of Zn<inf>2</inf>TiO<inf>4</inf> particles
title_fullStr Ethanol sensing properties of Zn<inf>2</inf>TiO<inf>4</inf> particles
title_full_unstemmed Ethanol sensing properties of Zn<inf>2</inf>TiO<inf>4</inf> particles
title_sort ethanol sensing properties of zn<inf>2</inf>tio<inf>4</inf> particles
publisher Elsevier Limited
publishDate 2015
url http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=84928037268&origin=inward
http://cmuir.cmu.ac.th/handle/6653943832/38929
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