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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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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
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MYU K.K.
(translation service)
The Art of Writing Scientific Papers
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(Japanese Only)
Sensors and Materials, Volume 35, Number 11(4) (2023)
Copyright(C) MYU K.K.
Copyright(C) MYU K.K.
|
pp. 3851-3861
S&M3454 Research Paper of Special Issue https://doi.org/10.18494/SAM4403 Published: November 30, 2023 Sensing Behavior of Adsorption/Combustion-type Gas Microsensors to Various Alcoholic Vapors [PDF] Takeo Hyodo, Kazunori Nagae, Taro Ueda, Takahiko Sasahara, and Yasuhiro Shimizu (Received March 24, 2023; Accepted July 25, 2023) Keywords: adsorption/combustion-type gas microsensor, alcohol, dynamic response, static response, volatile organic compound
Adsorption/combustion-type gas microsensors utilizing γ-Al2O3 co-loaded with m wt% noble metal and 10 wt% metal oxide [mN/10MO/γ-Al2O3, N: noble metal (Pd or Pt), MO: metal oxide (CeO2 or Bi2O3)] were fabricated, and their sensor-signal profiles to five types of alcoholic vapor (ethanol, 1-propanol, 1-butanol, 1-pentanol, and 1-hexanol) were investigated and analyzed by differential and integral processing. The sensor-signal profiles largely depended on the types of N and MO as well as the amount of N loaded (m). The dynamic response arises from the flash catalytic combustion of the alcohols at 450 °C and their related components (partially oxidized and/or condensed products) adsorbed at 150 °C on the sensing film, and the 10Pt/10CeO2/γ-Al2O3 and 10Pd/10CeO2/γ-Al2O3 sensors showed the largest dynamic responses to 1000 ppm ethanol and 1-hexanol, respectively, among all the sensors tested. These sensors showed sufficiently large dynamic responses even to 10 ppm alcohols. The differential processing of their sensor-signal profiles was valuable in precisely finding slight changes and differences in their sensing behaviors and providing considerable information for data processing.
Corresponding author: Takeo Hyodo  This work is licensed under a Creative Commons Attribution 4.0 International License. Cite this article Takeo Hyodo, Kazunori Nagae, Taro Ueda, Takahiko Sasahara, and Yasuhiro Shimizu , Sensing Behavior of Adsorption/Combustion-type Gas Microsensors to Various Alcoholic Vapors , Sens. Mater., Vol. 35, No. 11, 2023, p. 3851-3861. |
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