A Simple Dyad Exhibiting Microsecond Charge-Separation in Non-Polar Solvents

Kenneth P. Ghiggino,James A. Hutchison,Steven J. Langford,Melissa J. Latter,Marcia A.-P. Lee,Makoto Takezaki

AUSTRALIAN JOURNAL OF CHEMISTRY（2006）

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摘要

A simple photovoltaic device in which two chromophoric components are assembled by Zn-N coordination yields a charge-separated state with microsecond lifetime upon photoexcitation in non-polar solvents. Characterization of the electron transfer dynamics using time-resolved fluorescence and transient absorption spectroscopy suggests that the unusual longevity is due to charge recombination occurring between states with different electron spin character. Control of electron spin may provide a novel paradigm for optimizing light-induced charge-separation processes.

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biocatalysis,educational,spectroscopy,supramolecular chemistry,photochemistry,analytical chemistry,density functional theory,quantum chemistry,computational chemistry,nanotechnology,ab initio calculations,amino acids,enzymes,pharmaceutical chemistry,crystallography,mass spectrometry,sensors,surface chemistry,crystal structures,green chemistry,macromolecules,biological chemistry,catalysis,polymer chemistry,physical chemistry,structure,medicinal chemistry,peptide,biosensors,kinetics,combinatorial,electrochemistry,organic chemistry,interfaces,combinatorial chemistry,reaction mechanisms,self assembly,proteins,colloids,inorganic chemistry,ionic liquids

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