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• W1997427363 abstract "The photoelectrochemical behaviour of Cu(PPh3)2biq+, Cu(biq)2+ and Cu(dmp)2+ has been examined. Here PPh3, biq and dmp denote triphenylphosphine, 2,2'-biquinoline and 2,9-dimethyl-1,10-phenanthroline, respectively. Thin films of these complexes deposited on a SnO2 electrode generate anodic photocurrents in a photoelectrochemical cell upon irradiation in their metal-to-ligand charge-transfer absorption band. The stability of the photocurrents, however, is low and is due to photochemical decomposition of the dyes. The photoresponse is stabilized and enhanced by the addition of a supersensitizer, hydroquinone, to the electrolyte solution. The suppression of the photochemical decomposition is complete at hydroquinone levels of 10−3 M for each of the three Cu(I) complexes. The photocurrent quantum efficiencies in the presence of hydroquinone in the electrolyte solution have been measured. Peak values of 1%, 4% and 12% were attained for Cu(biq)2+, Cu(dmp)2+ and Cu(PPh3)2biq+, respectively. These quantum efficiencies are correlated with the lifetimes and redox potentials of the excited states of the complexes." @default.
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• W1997427363 date "1984-06-01" @default.
• W1997427363 modified "2023-09-25" @default.
• W1997427363 title "Photoelectrochemical Studies of Bis(triphenylphosphine)biquinoline Copper(I), Bis(biquinoline) Copper(I) and Bis(2,9-dimethyl-1,10-phenanthroline) Copper(I) on SnO2 Electrodes" @default.
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• W1997427363 doi "https://doi.org/10.1002/bbpc.19840880615" @default.
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