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Microstructural effects of mesoporous SnO_2 powders on their H_2 sensing properties

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タイトル: Microstructural effects of mesoporous SnO_2 powders on their H_2 sensing properties
著者: Hayashi, Masahiro / Hyodo, Takeo / Shimizu, Yasuhiro / Egashira, Makoto
発行日: 2008年 1月29日
引用: Nagasaki Symposium on Nano-Dynamics 2008 (NSND2008), pp.81-82
抄録: Various mesoporous tin oxide (m-SnO_2) powders were prepared by combinations of two kinds of surfactants and tin sources. Specific surface area and pore volume of m-SnO_2 prepared from C_16PyCl ((C_5H_5NC_<16>H_<33>)Cl?H_2O) and Na_2SnO_3?3H_2O (m-SnO_2(1)) were larger than those of m-SnO_2 prepared from AOT (C_<20>H_<37>O_7SNa) and SnCl_4?5H_2O (m-SnO_2(2)). However, the specific surface area of m-SnO_2(1) decreased dramatically by grinding, while m-SnO_2(2) with small secondary agglomerates showed a little decrease in the specific surface area and better H_2 response with low resistance in air than m-SnO_2(1), especially at low operating temperature.
記述: Nagasaki Symposium on Nano-Dynamics 2008 (NSND2008) 平成20年1月29日(火)於長崎大学 Poster Presentation
キーワード: SnO_2 / mesopores / particle size / hydrogen / gas sensor
URI: http://hdl.handle.net/10069/9865
資料タイプ: Conference Paper
出現コレクション:Nagasaki Symposium on Nano-Dynamics 2008 (NSND2008)

引用URI : http://hdl.handle.net/10069/9865



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