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Energy transfer followed by electron transfer in a supramolecular Boron Dipyrrin-Zinc Porphyrin-Fullerene
Maligaspe, Eranda D'Souza, Francis
Maligaspe, Eranda
D'Souza, Francis
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GRASP5_64.pdf
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2009-05-01
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Maligaspe, Eranda and Francis D'Souza(2009). Energy Transfer Followed by Electron Transfer in a Supramolecular Boron Dipyrrin-Zinc Porphyrin-Fullerene . In Proceedings: 5th Annual Symposium: Graduate Research and Scholarly Projects. Wichita, KS: Wichita State University, p. 140-141
Abstract
Photosynthesis, the process of converting light energy into chemical energy, involves two major steps, absorption and transportation of light energy of appropriate wavelength by the antenna light harvesting molecules to the reaction center, and photoinduced electron transfer (PET) to generate charge separated entities by using the electronic excitation energy. Mimicking the "antenna - reaction center" functionality in photosynthesis by using bio-inspired synthetic model compounds is essential to further our understanding the process of bioenergetics which also holds promise for technological advances in solar energy harvesting. In the present study, supramolecular boron dipyrrin-porphyrin-fullerene constructs, in which covalently linked boron dipyyrin-porphyrin-crown ether compounds were self-assembled with alkylammonium cation functionalized fullerenes, have been designed to achieve sequential energy transfer followed by stepwise electron transfer. The presentation will focus on the synthesis, characterization, and electron donor-acceptor assembly formation. Further, photochemical results revealing charge separation in these novel systems will be presented.
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Paper presented to the 5th Annual Symposium on Graduate Research and Scholarly Projects (GRASP) held at the Hughes Metropolitan Complex, Wichita State University, May 1, 2009.
Research completed at Department of Chemistry College of Liberal Arts & Sciences
Research completed at Department of Chemistry College of Liberal Arts & Sciences
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Wichita State University. Graduate School
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GRASP
v.5
v.5