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Titolo:
An extremely small reorganization energy of electron transfer in porphyrin-fullerene dyad
Autore:
Imahori, H; Tkachenko, NV; Vehmanen, V; Tamaki, K; Lemmetyinen, H; Sakata, Y; Fukuzumi, S;
Indirizzi:
Osaka Univ, CREST, Japan Sci & Technol Corp, Grad Sch Engn,Dept Mat & LifeSci, Suita, Osaka 5650871, Japan Osaka Univ Suita Osaka Japan 5650871 LifeSci, Suita, Osaka 5650871, Japan Tampere Univ Technol, Inst Mat Chem, FIN-33101 Tampere, Finland Tampere Univ Technol Tampere Finland FIN-33101 IN-33101 Tampere, Finland Osaka Univ, Inst Sci & Ind Res, Ibaraki, Osaka 5670047, Japan Osaka Univ Ibaraki Osaka Japan 5670047 Res, Ibaraki, Osaka 5670047, Japan
Titolo Testata:
JOURNAL OF PHYSICAL CHEMISTRY A
fascicolo: 10, volume: 105, anno: 2001,
pagine: 1750 - 1756
SICI:
1089-5639(20010315)105:10<1750:AESREO>2.0.ZU;2-C
Fonte:
ISI
Lingua:
ENG
Soggetto:
PHOTOINDUCED CHARGE SEPARATION; PHOTOSYNTHETIC REACTION-CENTER; MARCUS-INVERTED-REGION; PHOTOPHYSICAL PROPERTIES; TRANSFER COMPLEXES; ARTIFICIAL PHOTOSYNTHESIS; TEMPERATURE-DEPENDENCE; SOLVENT DEPENDENCE; RATE CONSTANTS; QUINONE MOLECULES;
Tipo documento:
Review
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
117
Recensione:
Indirizzi per estratti:
Indirizzo: Imahori, H Osaka Univ, CREST, Japan Sci & Technol Corp, Grad Sch Engn,DeptMat & LifeSci, 2-2 Yamadaoka, Suita, Osaka 5650871, Japan Osaka Univ 2-2 Yamadaoka Suita Osaka Japan 5650871 50871, Japan
Citazione:
H. Imahori et al., "An extremely small reorganization energy of electron transfer in porphyrin-fullerene dyad", J PHYS CH A, 105(10), 2001, pp. 1750-1756

Abstract

Both charge-transfer absorption and emission have been observed in porphyrin-linked fullerene where the C-60 moiety is closely located on the porphyrin plane. Electron-transfer parameters including reorganization energies, free energy changes, and electronic coupling matrix elements were determinedby analyzing the charge-transfer absorption and emission in benzene. The reorganization energy is estimated as 0.23 +/- 0.11 eV, which is the smallest value among inter- and intramolecular donor-acceptor systems ever reported and is comparable to the smallest ones for the primary charge separation in the photosynthetic reaction center. The results deafly show that fullerenes combined with porphyrins are potential components for constructing artificial photosynthetic systems.

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Documento generato il 29/09/20 alle ore 10:33:48