Kinetics and thermodynamics of electron transfer in Debye solvents: An analytical and nonperturbative reduced density matrix theory

Article Abstract:

A nonperturbative electron transfer (ET) rate theory is constructed on the basis of reduced density matrix dynamics that can be evaluated readily for the Debye solvent model without further approximation. The new formalism provides a microscopic theory for the effects of solvent environment on the ET thermodynamics and a continued fraction Green's function formalism is also constructed which can be used together with the Dyson equation technique for efficient evaluation of nonperturbative reduced density matrix dynamics.

Solution (Chemistry), Solutions (Chemistry), Chemical thermodynamics, Matrix mechanics

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External electric field effects on absorption and fluorescence spectra of a fullerene derivative and its mixture with zinc-tetraphenylporphyrin doped in a PMMA film

Article Abstract:

Electroabsorption and elecrofluorescence spectra of a fullerene derivative [C.sub.60][(Cl8).sub.2], and its mixture with zinc-tetraphenylporphyrin (ZnTPP) are measured by using electric field modulation spectroscopy. Theoretical analyses clearly reveal that the field-induced enhancement of the ZnTPP fluorescence in a mixture results from the field-induced deceleration of the rate of the electron transfer from the excited ZnTPP to [C.sub.60][(Cl8).sub.2].

Japan, Spectra

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Derivatized fullerens bearing multiple electron donors: Synthesis and charge transfer properties

Article Abstract:

A series of methano-C60 adducts bearing up to six electron donating N,N-dimethylaniline units, along with their analogues without the dimethylamino groups as references were synthesized. The photoinduced intramolecular electron-transfer properties of the D compounds were investigated via fluorescence measurements.

Usage, Fluorescence

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