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Issue 2, 2012
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Energy transfer mediated by asymmetric hydrogen-bonded interfaces

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Abstract

Amidine-appended ferrocene derivatives form a supramolecular assembly with Ru(II)(bpy-COOH)(L)22+ complexes (bpy-COOH is 4-CO2H-4′-CH3-bpy and L = bpy, 2,2′-bipyridine or btfmbpy, 4,4′-bis(trifluoromethyl)-2,2′-bipyridine). Steady-state, time-resolved spectroscopy and kinetic isotope effects establish that the metal-to-ligand charge transfer excited states of the Ru(II) complexes are quenched by proton-coupled energy transfer (PCEnT). These results show that proton motion can be effective in mediating not only electron transfer (ET) but energy transfer (EnT) as well.

Graphical abstract: Energy transfer mediated by asymmetric hydrogen-bonded interfaces

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Supplementary files

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Submitted
24 Aug 2011
Accepted
03 Oct 2011
First published
26 Oct 2011

Chem. Sci., 2012,3, 455-459
Article type
Edge Article

Energy transfer mediated by asymmetric hydrogen-bonded interfaces

E. R. Young, J. Rosenthal and D. G. Nocera, Chem. Sci., 2012, 3, 455
DOI: 10.1039/C1SC00596K

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