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Effects of microstructure of mesoporous SnO2 powders on their H2 sensing properties
http://hdl.handle.net/10069/22206
http://hdl.handle.net/10069/22206b23a251a-1d77-48ce-89c0-db0d4f2b8423
名前 / ファイル | ライセンス | アクション |
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SABC141_465.pdf (1.1 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2009-10-01 | |||||
タイトル | ||||||
タイトル | Effects of microstructure of mesoporous SnO2 powders on their H2 sensing properties | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Gas sensor | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Hydrogen | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Mesopores | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Particle size | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Tin dioxide | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者 |
Hayashi, Masahiro
× Hayashi, Masahiro× Hyodo, Takeo× Shimizu, Yasuhiro× Egashira, Makoto |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Various mesoporous tin dioxide (m-SnO2) powders were prepared from two kinds of combination of a tin source and a surfactant template, and their H2 sensing properties were investigated. The specific surface area and pore volume of the m-SnO2 powder prepared from Na2SnO3・3H2O as a tin source and n-cetylpyridinium chloride monohydrate (C16PyCl; (C5H5NC16H33)Cl・H2O) as a template under a fixed pH value of 10 (m-SnO2(1)) were larger than those of the m-SnO2 powders prepared from SnCl4・5H2O as a tin source and aerosol-OT (AOT; C20H37O7SNa) as a template under different pH conditions (m-SnO2(2)-n; n is the value of pH of the precursor solution). However, the specific surface area of m-SnO2(1) decreased drastically by post-grinding, while m-SnO2(2)-n powders with small secondary agglomerates showed only a slight decrease in specific surface area during post-grinding. In addition, m-SnO2(2)-n sensors exhibited better H2 response and lower resistance than those of m-SnO2(1) sensor, especially at low operating temperatures, probably because of moderately developed mesopores which promoted easier diffusion of H2 to the most sensitive region of the surface of SnO2 particles. | |||||
書誌情報 |
Sensors and Actuators, B: Chemical 巻 141, 号 2, p. 465-470, 発行日 2009-09-07 |
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出版者 | ||||||
出版者 | Elsevier BV | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 09254005 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA1078104X | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1016/j.snb.2009.07.035 | |||||
権利 | ||||||
権利情報 | c 2009 Elsevier B.V. All rights reserved. | |||||
著者版フラグ | ||||||
出版タイプ | AM | |||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa | |||||
引用 | ||||||
内容記述タイプ | Other | |||||
内容記述 | Sensors and Actuators, B: Chemical, 141(2), pp.465-470; 2009 |