Ultrafast energy transfer between the 3MLCT state of [Ru II(dmb) 2(bpy-an)] 2+ and the covalently appended anthracene

Jon R. Schoonover, Dana M. Dattelbaum, Anton Malko, Victor I Klimov, Thomas J. Meyer, David J. Styers-Barnett, Erika Z. Gannon, Jeremy C. Granger, W. Steven Aldridge, John M. Papanikolas

Research output: Contribution to journalArticle

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Abstract

The time scale for triplet-triplet energy transfer (EnT) between a Ru(II) chromophore and a ligand bound anthracene acceptor in [Ru II(dmb) 2(bpy-an)] 2+ (dmb = 4,4′-dimethyl-2,2-bipyridine; bpy-an = 4-(9-anthrylethylene), 4-methyl-2,2-bipyridine) has been measured using femtosecond transient absorption spectroscopy. The appearance of the anthracene excited state is monitored following photoexcitation to a metal-to-ligand charge transfer (MLCT) state via the ππ* absorption of the triplet excited state of anthracene. Our time-resolved experiments show the presence of fast, sub-100 ps energy transfer to the anthracene occurring on two characteristic time scales of 23 and 72 ps.

Original languageEnglish
Pages (from-to)2472-2475
Number of pages4
JournalJournal of Physical Chemistry A
Volume109
Issue number11
DOIs
Publication statusPublished - Mar 24 2005

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anthracene
Energy transfer
energy transfer
Excited states
Ligands
ligands
Photoexcitation
Chromophores
photoexcitation
Absorption spectroscopy
chromophores
excitation
Charge transfer
absorption spectroscopy
Metals
charge transfer
metals
Experiments

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry

Cite this

Schoonover, J. R., Dattelbaum, D. M., Malko, A., Klimov, V. I., Meyer, T. J., Styers-Barnett, D. J., ... Papanikolas, J. M. (2005). Ultrafast energy transfer between the 3MLCT state of [Ru II(dmb) 2(bpy-an)] 2+ and the covalently appended anthracene. Journal of Physical Chemistry A, 109(11), 2472-2475. https://doi.org/10.1021/jp044444j

Ultrafast energy transfer between the 3MLCT state of [Ru II(dmb) 2(bpy-an)] 2+ and the covalently appended anthracene. / Schoonover, Jon R.; Dattelbaum, Dana M.; Malko, Anton; Klimov, Victor I; Meyer, Thomas J.; Styers-Barnett, David J.; Gannon, Erika Z.; Granger, Jeremy C.; Aldridge, W. Steven; Papanikolas, John M.

In: Journal of Physical Chemistry A, Vol. 109, No. 11, 24.03.2005, p. 2472-2475.

Research output: Contribution to journalArticle

Schoonover, JR, Dattelbaum, DM, Malko, A, Klimov, VI, Meyer, TJ, Styers-Barnett, DJ, Gannon, EZ, Granger, JC, Aldridge, WS & Papanikolas, JM 2005, 'Ultrafast energy transfer between the 3MLCT state of [Ru II(dmb) 2(bpy-an)] 2+ and the covalently appended anthracene', Journal of Physical Chemistry A, vol. 109, no. 11, pp. 2472-2475. https://doi.org/10.1021/jp044444j
Schoonover, Jon R. ; Dattelbaum, Dana M. ; Malko, Anton ; Klimov, Victor I ; Meyer, Thomas J. ; Styers-Barnett, David J. ; Gannon, Erika Z. ; Granger, Jeremy C. ; Aldridge, W. Steven ; Papanikolas, John M. / Ultrafast energy transfer between the 3MLCT state of [Ru II(dmb) 2(bpy-an)] 2+ and the covalently appended anthracene. In: Journal of Physical Chemistry A. 2005 ; Vol. 109, No. 11. pp. 2472-2475.
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