Photophysical and electrochemical behavior of thin solid films based on a three-dimensional ruthenium complex network |
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Authors: | Katsuhiko Kanaizuka Shinji Kato Hiroshi Moriyama Chyongjin Pac |
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Institution: | 1. Department of Chemistry, Toho University, Miyama 2-2-1, 274-8510, Funabashi, Chiba, Japan 2. Kawamura Institute of Chemical Research, 631 Sakado, 285-0078, Sakura, Chiba, Japan
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Abstract: | RuL 3 2+ (L=2,2′-bipyridine-4,4′-diphosphonic acid) thin solid films were fabricated by three-dimensional linking between the phosphonic acid substituents of L and Zr(O)Cl2. The RuL3 chromophores in the films are electronically independent of each other in the ground state and give emission spectra essentially identical to that of RuL 3 2+ in solution, although the emission lifetime is much shorter. The films are electrochemically active, showing pseudo-reversible oxidation behavior in cyclic voltammetry. A preliminary attempt has been made to apply these films to photoelectrochemical cells. |
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