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Print: ISSN 0914-4935
Online: ISSN 2435-0869
Sensors and Materials
is an international peer-reviewed open access journal to provide a forum for researchers working in multidisciplinary fields of sensing technology.
Online: ISSN 2435-0869
Sensors and Materials
is an international peer-reviewed open access journal to provide a forum for researchers working in multidisciplinary fields of sensing technology.
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Sensors and Materials
is covered by Science Citation Index Expanded (Clarivate Analytics), Scopus (Elsevier), and other databases.
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English 日本語
Instructions for manuscript preparation
English 日本語
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MYU K.K.
Sensors and Materials
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The Art of Writing Scientific Papers
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is covered by Science Citation Index Expanded (Clarivate Analytics), Scopus (Elsevier), and other databases.
Instructions to authors
English 日本語
Instructions for manuscript preparation
English 日本語
Template
English
Publisher
MYU K.K.
Sensors and Materials
1-23-3-303 Sendagi,
Bunkyo-ku, Tokyo 113-0022, Japan
Tel: 81-3-3827-8549
Fax: 81-3-3827-8547
MYU Research, a scientific publisher, seeks a native English-speaking proofreader with a scientific background. B.Sc. or higher degree is desirable. In-office position; work hours negotiable. Call 03-3827-8549 for further information.
MYU Research
(proofreading and recording)
MYU K.K.
(translation service)
The Art of Writing Scientific Papers
(How to write scientific papers)
(Japanese Only)
Sensors and Materials, Volume 21, Number 5 (2009)
Copyright(C) MYU K.K.
Copyright(C) MYU K.K.
|
pp. 241-250
S&M764 Research Paper of Special Issue https://doi.org/10.18494/SAM.2009.614 Published: August 24, 2009 Preparation of Mesoporous and Meso-macroporous SnO2 Powders and Application to H2 Gas Sensors [PDF] Luyang Yuan, Takeo Hyodo, Yasuhiro Shimizu and Makoto Egashira (Received April 23, 2009; Accepted June 12, 2009) Keywords: tin dioxide, mesopore, macropore, gas sensor
Mesoporous SnO2 (mp-SnO2) and meso-macroporous SnO2 (m·mp-SnO2) pellet-type gas sensors were fabricated by the sol-gel method employing SnCl4·5H2O as a Sn source. The mesoporous structure was controlled by C20H37O7SNa, while the macroporous structure was controlled by polymethylmethacrylate (PMMA) microspheres. The introduction of macropores by the addition of PMMA microspheres into mp-SnO2 tends to increase the pore diameter and crystallite size. The large amount of macropores introduced into mp-SnO2 sensors by the addition of PMMA microspheres in the preparation process significantly increased the resistance of all the sensors. Among all those tested, the mp-SnO2 sensor with only 5 wt% Sb2O5 added exhibited the largest response at 400°C. The 70% response and recovery times could be reduced by the introduction of macropores.
Corresponding author: Yasuhiro Shimizu Cite this article Luyang Yuan, Takeo Hyodo, Yasuhiro Shimizu and Makoto Egashira, Preparation of Mesoporous and Meso-macroporous SnO2 Powders and Application to H2 Gas Sensors, Sens. Mater., Vol. 21, No. 5, 2009, p. 241-250. |
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