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Charge Separation in a Novel Artificial Photosynthetic Reaction Center Lives 380 ms
Abstract
An extremely long-lived charge-separated state has been achieved successfully using a ferrocene-zincporphyrin-freebaseporphyrin-fullerene tetrad which reveals a cascade of photoinduced energy transfer and multistep electron transfer within a molecule in frozen media as well as in solutions. The lifetime of the resulting charge-separated state (i.e., ferricenium ion-C(60) radical anion pair) in a frozen benzonitrile is determined as 0.38 s, which is more than one order of magnitude longer than any other intramolecular charge recombination processes of synthetic systems, and is comparable to that observed for the bacterial photosynthetic reaction center. Such an extremely long lifetime of the tetrad system has been well correlated with the charge-separated lifetimes of two homologous series of porphyrin-fullerene dyad and triad systems.
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Citations
Cited by
Fullerene–porphyrin architectures; photosynthetic antenna and reaction center models
Guldi, D. M. (2002) · Chemical Society Reviews · doi:10.1039/b106962b · Cited by 963
Self-citationGiant Multiporphyrin Arrays as Artificial Light-Harvesting Antennas
Imahori, H. (2004) · The Journal of Physical Chemistry B · doi:10.1021/jp038036b · Cited by 353
Self-citationBill, N. L., Ishida, M., Kawashima, Y., Ohkubo, K., Sung, Y. M., Lynch, V. M., Lim, J. M., Kim, D., Sessler, J. L., & Fukuzumi, S. (2014) · Chem. Sci. · doi:10.1039/c4sc00803k · Cited by 28
Self-citationMiura, T. (2013) · The Journal of Physical Chemistry B · doi:10.1021/jp401725f · Cited by 8
Metadata
- Authors
- Imahori, H., Guldi, D. M., Tamaki, K., Yoshida, Y., Luo, C., Sakata, Y., & Fukuzumi, S.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2001-06-13
- Volume
- 123
- Issue
- 27
- Pages
- 6617-6628
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W1985367975
- Cited by
- 519
- References
- 0
- FWCI
- 22.37
- Type
- journal article
- Language
- en
- Open access
- closed
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- Imahori, H., Guldi, D. M., Tamaki, K., Yoshida, Y., Luo, C., Sakata, Y., & Fukuzumi, S. (2001). Charge Separation in a Novel Artificial Photosynthetic Reaction Center Lives 380 ms. Journal of the American Chemical Society. https://doi.org/10.1021/ja004123v
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