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71.
Masahiro Suzuki Mariko Yumoto Mutsumi Kimura Hirofusa Shirai Kenji Hanabusa 《Helvetica chimica acta》2004,87(1):1-10
The new L ‐lysine alkali‐metal salts 1 – 5 (M+=Na+ and K+) with different alkyl groups at the Nα‐position were easily synthesized, and their hydro‐ and organogelation properties were investigated. All compounds were H2O‐soluble, and some salts, especially the potassium salts, functioned as a hydrogenator that could gel water below 2 wt‐%. These salts also had organogelation abilities for many organic solvents. 相似文献
72.
Sunlight‐Driven Hydrogen Peroxide Production from Water and Molecular Oxygen by Metal‐Free Photocatalysts 下载免费PDF全文
Dr. Yasuhiro Shiraishi Shunsuke Kanazawa Yusuke Kofuji Hirokatsu Sakamoto Dr. Satoshi Ichikawa Dr. Shunsuke Tanaka Prof. Takayuki Hirai 《Angewandte Chemie (International ed. in English)》2014,53(49):13454-13459
Design of green, safe, and sustainable process for the synthesis of hydrogen peroxide (H2O2) is a very important subject. Early reported processes, however, require hydrogen (H2) and palladium‐based catalysts. Herein we propose a photocatalytic process for H2O2 synthesis driven by metal‐free catalysts with earth‐abundant water and molecular oxygen (O2) as resources under sunlight irradiation (λ>400 nm). We use graphitic carbon nitride (g‐C3N4) containing electron‐deficient aromatic diimide units as catalysts. Incorporating the diimide units positively shifts the valence‐band potential of the catalysts, while maintaining sufficient conduction‐band potential for O2 reduction. Visible light irradiation of the catalysts in pure water with O2 successfully produces H2O2 by oxidation of water by the photoformed valence‐band holes and selective two‐electron reduction of O2 by the conduction band electrons. 相似文献