Multiple photosynthetic reaction centres composed of supramolecular assemblies of zinc porphyrin dendrimers with a fullerene acceptor

Shunichi Fukuzumi; Kenji Saito; Kei Ohkubo; Tony Khoury; Yukiyasu Kashiwagi; Mark A. Absalom; Suresh Gadde; Francis D'Souza; Yasuyuki Araki; Osamu Ito; Maxwell J. Crossley

doi:10.1039/C1CC11725D

Multiple photosynthetic reaction centres composed of supramolecular assemblies of zinc porphyrin dendrimers with a fullerene acceptor†

Shunichi Fukuzumi,*^ab Kenji Saito,^a Kei Ohkubo,^a Tony Khoury,^c Yukiyasu Kashiwagi,^a Mark A. Absalom,^c Suresh Gadde,^d Francis D'Souza,*^d Yasuyuki Araki,^e Osamu Ito^e and Maxwell J. Crossley*^c

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^a Department of Material and Life Science, Graduate School of Engineering, Osaka University, ALCA, Japan Science and Technology Agency (JST), 2-1 Yamada-oka, Suita, Osaka 565-0871, Japan
E-mail: fukuzumi@chem.eng.osaka-u.ac.jp
Fax: +81-6-6879-7370
Tel: +81-6-6879-7368

^b Department of Bioinspired Science, Ewha Womans University, Seoul, Korea

^c School of Chemistry, The University of Sydney, Sydney, NSW, Australia
E-mail: m.crossley@chem.usyd.edu.au

^d Department of Chemistry, Wichita State University, 1845 Fairmount, Wichita, Kansas 67260-0051, USA
E-mail: Francis.DSouza@wichita.edu

^e Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, Sendai, Miyagi 980-8577, Japan

Abstract

Multiple photosynthetic reaction centres have successfully been constructed using supramolecular complexes of zinc porphyrin dendrimers [D(ZnP)_n: n = 4, 8, 16] with fulleropyrrolidine bearing a pyridine ligand (C₆₀py). Efficient energy migration occurs completely between the ZnP units of dendrimers prior to the electron transfer with increasing the generation of dendrimers to attain an extremely long charge–separation lifetime.

Chemical Communications

Multiple photosynthetic reaction centres composed of supramolecular assemblies of zinc porphyrin dendrimers with a fullerene acceptor†

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Multiple photosynthetic reaction centres composed of supramolecular assemblies of zinc porphyrin dendrimers with a fullerene acceptor

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