@article{oai:nagasaki-u.repo.nii.ac.jp:00016329,
 author = {Hayashi, Masahiro and Hyodo, Takeo and Shimizu, Yasuhiro and Egashira, Makoto},
 issue = {2},
 journal = {Sensors and Actuators, B: Chemical},
 month = {Sep},
 note = {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., Sensors and Actuators, B: Chemical, 141(2), pp.465-470; 2009},
 pages = {465--470},
 title = {Effects of microstructure of mesoporous SnO2 powders on their H2 sensing properties},
 volume = {141},
 year = {2009}
}