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Spectroscopic and photoelectrochemical differences between racemic and enantiomeric [Ru(phen)3] ions intercalated into layered niobate K4Nb6O17 |
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| Authors: | Ken Yao Satoshi Nishimura Tingli Ma Kentaro Okamoto Kozo Inoue Eiichi Abe Hiroshi Tateyama Akihiko Yamagishi |
| Abstract: | Chirality effects have been observed in the intercalation, spectroscopic and photoelectrochemical behavior when enantiomeric and racemic Ru(phen)3]2+ complexes were intercalated in the interlayer spaces of K4Nb6O17. The results were interpreted in terms of a Nb6O17]4−-chelate and chelate–chelate interactions. The faster luminescence decay and higher photocurrent of the enantiomeric Ru(phen)3]2+–K4Nb6O17 compounds than the racemic ones suggest that the emission of adsorbed Ru(phen)3]2+ ions was not only quenched by adsorbed complexes (or concentration quenching) but also by the semiconductive host lattices. |
| Keywords: | Layered potassium niobate Optically active [Ru(phen)3]2+ Absorption spectra Luminescence spectra Luminescence lifetime Photocurrent |
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