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Aerogel Photocatalyst Composed of Transparent Mesoporous Polymethylsilsesquioxane Softly Post‐Modified with a Visible‐Light‐Absorbing Metal Complex
Author(s) -
Sanda Suresh,
Kanamori Kazuyoshi,
Takei Toshiaki,
Tashiro Kentaro
Publication year - 2018
Publication title -
chemnanomat
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.947
H-Index - 32
ISSN - 2199-692X
DOI - 10.1002/cnma.201700276
Subject(s) - aerogel , photocatalysis , mesoporous material , chemical engineering , catalysis , materials science , metal , adsorption , visible spectrum , mesoporous silica , chemistry , nanotechnology , organic chemistry , metallurgy , optoelectronics , engineering
Physical adsorption of various metal complexes including multinuclear heterometallic species onto polymethylsilsesquioxane (PMSQ) aerogel afforded their highly transparent mesoporous hybrids. One of the fabricated materials containing Ru(II) tris‐phenanthroline complex RuPhen 3 − OH ( RuPhen 3 − OH @PMSQ) exhibited a photocatalytic activity for the dehydrogenation of the Hantzsch 1,4‐dihydropyridine 1 H2 , which was close to that observed for the corresponding homogeneous system. The photocatalytic activity of RuPhen 3 − OH @PMSQ was superior than that of RuPhen 3 − OH on other silica gels having larger or smaller pores, suggesting that the pore size of the PMSQ aerogel plays an important role for the high photocatalytic activity by allowing both the light and substrates to easily access the catalysts located at the inner space of the material.