Porphyrin–fullerene linked systems as artificial photosynthetic mimics

H Imahori - Organic & biomolecular chemistry, 2004 - pubs.rsc.org
We have prepared a variety of porphyrin–fullerene linked systems to mimic photoinduced
energy and electron transfer (ET) processes in photosynthesis. Photodynamical studies on …

Fullerenes as novel acceptors in photosynthetic electron transfer

H Imahori, Y Sakata - European journal of organic chemistry, 1999 - Wiley Online Library
We propose a novel strategy using fullerenes for the construction of solar energy conversion
systems that mimic the primary electron transfer events in photosynthesis. Redox‐active …

Energy and photoinduced electron transfer in porphyrin− fullerene dyads

D Kuciauskas, S Lin, GR Seely, AL Moore… - The Journal of …, 1996 - ACS Publications
Time-resolved fluorescence and absorption techniques have been used to investigate
energy and photoinduced electron transfer in a covalently linked free-base porphyrin …

Creation of fullerene-based artificial photosynthetic systems

H Imahori - Bulletin of the Chemical Society of Japan, 2007 - academic.oup.com
Various porphyrin–fullerene-linked systems have been prepared to elucidate the intrinsic
electron-transfer properties of fullerenes. Photodynamical studies on porphyrin–fullerene …

An extremely small reorganization energy of electron transfer in Porphyrin− Fullerene Dyad

H Imahori, NV Tkachenko, V Vehmanen… - The Journal of …, 2001 - ACS Publications
Both charge-transfer absorption and emission have been observed in porphyrin-linked
fullerene where the C60 moiety is closely located on the porphyrin plane. Electron-transfer …

Photoinduced electron transfer in supramolecular systems of fullerenes functionalized with ligands capable of binding to zinc porphyrins and zinc phthalocyanines

F D'Souza, O Ito - Coordination chemistry reviews, 2005 - Elsevier
This review describes light induced energy or electron transfer reactions in self-assembled
supramolecular zinc porphyrin/zinc phthalocyanine and fullerene bearing donor–acceptor …

Long‐Lived Charge‐Separated State Generated in a Ferrocene–meso,meso‐Linked Porphyrin Trimer–Fullerene Pentad with a High Quantum Yield

H Imahori, Y Sekiguchi, Y Kashiwagi… - … A European Journal, 2004 - Wiley Online Library
A meso, meso‐linked porphyrin trimer,(ZnP) 3, as a light‐harvesting chromophore, has been
incorporated for the first time into a photosynthetic multistep electron‐transfer model …

Long-lived charge separation with high quantum yield in a ferrocene-porphyrin-fullerene triad

M Fujitsuka, O Ito, H Imahori, K Yamada… - Chemistry …, 1999 - academic.oup.com
A ferrocene-porphyrin-C60 triad was prepared to mimic efficient photosynthetic multistep
electron transfer system. Upon irradiation, the triad produced a long-lived charge-separated …

Charge separation in a novel artificial photosynthetic reaction center lives 380 ms

H Imahori, DM Guldi, K Tamaki, Y Yoshida… - Journal of the …, 2001 - ACS Publications
An extremely long-lived charge-separated state has been achieved successfully using a
ferrocene− zincporphyrin− freebaseporphyrin− fullerene tetrad which reveals a cascade of …

Photosynthetic electron transfer using fullerenes as novel acceptors

H Imahori, K Tamaki, H Yamada, K Yamada, Y Sakata… - Carbon, 2000 - Elsevier
A variety of porphyrin-linked C60 dyads and triads have been designed and synthesized to
elucidate the special properties of fullerenes in electron transfer (ET). C60 or …