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Original Articles

Spectroscopic Investigations on Degradative Processes of cis-Bis(isothiocyanato)bis(2,2′-bipyridyl-4,4′-dicarboxylato) Ruthenium(II) Anchored on Anatase TiO2 Surface

, , , &
Pages 158-163 | Published online: 16 Dec 2015
 

Abstract

Fate pathway of cis-Ru(dcbpy)2(NCS)2; dcbpy = 2,2′-bipyridyl-4,4′-dicarboxylic acid, attached to the anatase titanium dioxide surface was investigated from time-course of UV-vis absorption spectra as well as FT-IR spectra under photo-irradiation (AM1.5) or under dark at different temperatures (−18°C, 25°C, and 100°C). Series transformation reactions of two NCS ligands to CN, one by one, were evident from those spectral changes and characteristic FT-IR vibrational frequencies.

Acknowledgment

This work was conducted under the “Japan-U.S. Cooperation Project for Research and Standardization of Clean Energy Technologies,” METI-Japan.

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