2009
DOI: 10.1246/bcsj.82.303
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Abstract: The natural photosynthetic reaction center utilizes sequential multi-step electron transfer from the excited chromophore to the terminal electron acceptor via electron mediators to attain a long lifetime of the final charge-separated (CS) state. Contrary to natural systems, simple electron donoracceptor dyads have been developed to attain a long-lived CS state, where the donor and acceptor molecules are linked with a short spacer. In the case of a directly linked zinc chlorinfullerene dyad, the lifetime of the… Show more

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Cited by 108 publications
(51 citation statements)
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“…[13] The photocatalytic reaction photosensitized by photoredox catalyst is initiated by photoinduced electron-transfer oxidation/reduction of the substrate. The photoinduced electron-transfer reaction has enabled highly reactive radical cations and anions to be produced, leading to the finely tuned new organic synthetic transformations.…”
Section: Introductionmentioning
confidence: 99%
See 1 more Smart Citation
“…[13] The photocatalytic reaction photosensitized by photoredox catalyst is initiated by photoinduced electron-transfer oxidation/reduction of the substrate. The photoinduced electron-transfer reaction has enabled highly reactive radical cations and anions to be produced, leading to the finely tuned new organic synthetic transformations.…”
Section: Introductionmentioning
confidence: 99%
“…The photoinduced electron-transfer reaction has enabled highly reactive radical cations and anions to be produced, leading to the finely tuned new organic synthetic transformations. [1][2][3][4][5][6][7][8][9][10][11][12][13] We have reported the catalytic hydroxylation of benzene to phenol under ambient conditions through photoinduced one-electron oxidation of benzene with 2,3-dichloro-5,6-dicyano-p-benzoquinone (DDQ) as a triplet photooxidant. [14] The one-electron reduction potential of the triplet excited state of DDQ ( 3 DDQ*: in which "*" denotes the excited state) is 3.18 V versus SCE, which is high enough to oxidize benzene by electron transfer to produce the benzene radical cation as a key intermediate.…”
mentioning
confidence: 99%
“…copper complex catalyst | donor-acceptor dyad | nanosized silica-alumina | p-xylene | photoinduced electron transfer E xtensive efforts have been devoted to develop a variety of electron donor-acceptor linked molecules, which mimic charge-separation processes in the photosynthetic reaction center (1)(2)(3)(4)(5)(6)(7)(8)(9)(10)(11); however, long-lived charge separation has been attained only in frozen media at low temperature (12)(13)(14)(15)(16)(17)(18) because intermolecular back electron transfer in solution is predominant as compared to the corresponding intramolecular process. For example, photoexcitation of a charge-shift type donor-acceptor dyad, 9-mesityl-10-methylacridinium ion (Acr þ -Mes) affords the electron-transfer (ET) state (Acr • -Mes •þ ) with an extremely long lifetime (e.g., 2 h at 203 K) in frozen media (18,19).…”
mentioning
confidence: 99%
“…[54] Scheme 1 shows the overall catalytic cycle for H 2 O 2 production by O 2 reduction by using QuPh + -NA@s-AlMCM-41 as the photocatalyst and oxalate as the electron donor. [55][56][57][58][59] 3. [54] Such a high value of F results from the high oxidizing ability and high reducing ability of photogenerated QuPhC-NAC + , which are sufficient for the oxidation of oxalate and the reduction of O 2 (Scheme 1).…”
Section: Nanomaterials For Light Harvesting and Charge Separationmentioning
confidence: 99%