Journal
DALTON TRANSACTIONS
Volume -, Issue 36, Pages 7437-7444Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/b906326a
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Funding
- Spanish DGI [CTQ2006-05867, CTQ200767805/PPQ]
- Spanish Ministry of Science and Education
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Gold nanoparticles functionalized with iron(II) terpyridine complexes undergo upon laser flash excitation long-lived charge separation in both conventional organic solvents and ionic liquids. The nature of the transient species depends on the laser excitation wavelength, 308 (Fe(tpyR)(2)(3+) and Au-) or 532 nm (solvated e(-)). No transients in the microsecond timescale are observed in acetonitrile upon excitation of gold nanoparticles lacking iron(II) terpyridine complexes. The photogeneration of long-lived transients upon irradiation of these functional gold nanoparticles has been applied to develop an integrated (light harvester plus catalyst) visible-light photocatalysts for H-2 generation from water that does not need methyl viologen as an electron relay.
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