北海道大学 · 物理学・天文学
阿久原清隆教授の研究室は、触媒材料の開発とその反応機構の解明を柱としています。特に、酸化ケイ素支持白金系触媒や銅・金合金ナノ粒子を用いた高効率な水素化反応の開発が目立ち、反応機構の詳細をXAFSやFT-IRを用いて解明する動的触媒科学研究を展開しています。また、星の最終段階におけるニュートリノ放出を液体シンチレーターで検出する研究にも関与しており、宇宙物理学的応用も視野に研究を広げています。
Figures are computed from collected data and may differ slightly.
The performance of an SBA-15-supported Cu catalyst for hydrogenation of dimethyl oxalate to ethylene glycol is markedly promoted with Au. A key genesis of the high activity of the catalyst is ascribed to the formation of Cu–Au alloy nanoparticles which stabilize the active species and retard their agglomeration during the hydrogenation process.
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTMetal-assisted hydroformylation on a SiO2-attached rhodium dimer. In situ EXAFS and FT-IR observations of the dynamic behaviors of the dimer siteKiyotaka Asakura, Kyoko Kitamura-Bando, Yasuhiro Iwasawa, Hironori Arakawa, and Kiyoshi IsobeCite this: J. Am. Chem. Soc. 1990, 112, 25, 9096–9104Publication Date (Print):December 1, 1990Publication History Published online1 May 2002Published inissue 1 December 1990https://pubs.acs.org/doi/10.1021/ja00181a010h
ABSTRACT In the late stages of nuclear burning for massive stars ( M > 8 M ⊙ ), the production of neutrino–antineutrino pairs through various processes becomes the dominant stellar cooling mechanism. As the star evolves, the energy of these neutrinos increases and in the days preceding the supernova a significant fraction of emitted electron anti-neutrinos exceeds the energy threshold for inverse beta decay on free hydrogen. This is the golden channel for liquid scintillator detectors because
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