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Observation of the Dark State in Ruthenium Complexes Using Femtosecond Infrared Vibrational Spectroscopy

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Ultrafast Phenomena XIX

Part of the book series: Springer Proceedings in Physics ((SPPHY,volume 162))

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Abstract

Comprehensive analyses of the excited states of prototypical ruthenium complexes using time-resolved infrared vibrational spectroscopy reveal a peak that can be assigned to the dark 3MC (metal centered) state, which plays an important role for their photofunctions.

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References

  1. D.W. Thompson, et al. ā€œ[Ru(bpy)3]2+ and Other Remarkable Metal-to-Ligand Charge Transfer (MLCT) Excited Statesā€ Pure Appl. Chem. 85, 1257 (2013).

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  2. S. Campagna, et al. ā€œPhotochemistry and Photophysics of Coordination Compounds: Rutheniumā€ Top. Curr. Chem. 280, 117 (2007).

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  3. T. Mukuta, et al. ā€œInfrared Vibrational Spectroscopy of [Ru(bpy)2(bpm)]2+ and [Ru(bpy)3]2+ in the Excited Triplet Stateā€ Inorg. Chem. 53, 2481 (2014).

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  4. B.D. Durham, et al. ā€œPhotochemistry of Ru(bpy) 2+3 ā€ J. Am. Chem. Soc. 104, 4803 (1982).

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Correspondence to Ken Onda .

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Onda, K., Mukuta, T., Tanaka, S., Murata, K., Inagaki, A. (2015). Observation of the Dark State in Ruthenium Complexes Using Femtosecond Infrared Vibrational Spectroscopy. In: Yamanouchi, K., Cundiff, S., de Vivie-Riedle, R., Kuwata-Gonokami, M., DiMauro, L. (eds) Ultrafast Phenomena XIX. Springer Proceedings in Physics, vol 162. Springer, Cham. https://doi.org/10.1007/978-3-319-13242-6_116

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