Journal ArticleDOI
Photoinduced Electron Transfer in Solution: Exciplex and Radical Ion Pair Formation Free Enthalpies and their Solvent Dependence
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This article is published in Zeitschrift für Physikalische Chemie.The article was published on 1982-01-01. It has received 940 citations till now. The article focuses on the topics: Photoinduced electron transfer & Radical ion.read more
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Large reorganization energy of pyrrolidine-substituted perylenediimide in electron transfer
Yuki Shibano,Tomokazu Umeyama,Yoshihiro Matano,Nikolai V. Tkachenko,Helge Lemmetyinen,Yasuyuki Araki,Osamu Ito,Hiroshi Imahori +7 more
TL;DR: In this article, an electron-donating, pyrrolidine-substituted perylenediimide-C60 linked dyad was investigated by means of time-resolved transient absorption spectroscopy and fluorescence lifetime measurements.
Journal ArticleDOI
Revisiting Fluorenone Photophysics via Dipolar Fluorenone Derivatives
TL;DR: The nonradiative decay of four dipolar fluorenone derivatives (FODs) was systematically investigated using steady state and time-resolved UV-vis absorption and fluorescence measurements combined with cyclic voltammetry.
Journal ArticleDOI
Prolongation of the lifetime of the charge-separated state at low temperatures in a photoinduced electron-transfer system of [60]fullerene and ferrocene moieties tethered by rotaxane structures.
G. Abraham Rajkumar,Atula S. D. Sandanayaka,Kei Ichiro Ikeshita,Yasuyuki Araki,Yoshio Furusho,Toshikazu Takata,Osamu Ito +6 more
TL;DR: A rotaxane tethering both fullerene and ferrocene moieties (abbreviated as (C60;Fc)rotax+) was synthesized in a good yield by the urethane end-capping of pseudorotaxane based on the crown ether-secondary amine motif.
Journal ArticleDOI
Photoinduced Charge Separation and Charge Recombination in [60]Fullerene-(Benzothiadiazole-Triphenylamine) Based Dyad in Polar Solvents
Atula S. D. Sandanayaka,Kyohei Matsukawa,Tsutomu Ishi-i,Shuntaro Mataka,Yasuyuki Araki,Osamu Ito +5 more
TL;DR: In this article, the photoinduced electron transfer in C60-(BTD-TPA) has been studied in polar and nonpolar solvents using time-resolved transient absorption and fluorescence measurements.
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Electron-reservoir complexes and other redox-robust reagents: functions and applications
TL;DR: The electron-reservoir concept involving steric protection of a central redox site and the resulting redox robustness allows to carry out a variety of functions such as references for the measurement of redox potentials, many useful stoichiometric and catalytic redox reactions, sensing of anions and cations and entry into the area of molecular electronics also including the nanoscale.
References
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Journal ArticleDOI
Dipolar Nature of Molecular Complexes Formed in the Excited State
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Solvent, isotope, and magnetic field effects in the geminate recombination of radical ion pairs
TL;DR: In this article, the magnetic field dependence of the geminate recombination triplet yield of radical ion pairs generated via photoinduced electron transfer in polar solvents is investigated for the systems pyrene/N, Ndimethylaniline (Py/DMA), pyrene 3,5,dimethoxy•N,Ndimethynylinox•N and pyrene DMDMA, and the perdeuterated system Py•d10/dMA•d11.
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Bindungszustand und Fluoreszenzspektren von Hetero-Excimeren
Dieter Rehm,Albert Weller +1 more
TL;DR: The structureless fluorescence spectra of more than one hundred heteroexcimers (unsymmetrical molecular complexes which are stable in the excited state) were measured in hexane or other inert solvents.