Energy transfer mediated by asymmetric hydrogen-bonded interfaces

Chemical Science
Elizabeth R YoungDaniel G Nocera

Abstract

Amidine-appended ferrocene derivatives form a supramolecular assembly with Ru(ii)(bpy-COOH) (L)2 (2+) 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.

References

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Citations

Dec 19, 2013·Evidence-based Complementary and Alternative Medicine : ECAM·Eunmi Lee, Klaus Baumann
Apr 6, 2013·Chemistry : a European Journal·Zoel CodolàJulio Lloret-Fillol
Mar 16, 2012·Journal of the American Chemical Society·D Kwabena BediakoDaniel G Nocera
Oct 21, 2016·Chemistry : a European Journal·Carolina ValderasMiguel A Sierra
Oct 27, 2016·Journal of Evolutionary Biology·E C Palmer-YoungL S Adler
Mar 1, 2013·Journal of the Royal Society, Interface·Vincent MartyBruno Franzetti
Aug 3, 2018·Journal of the American Chemical Society·Claire DrolenElizabeth R Young

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