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Self-assembled photosynthesis-inspired light harvesting material and solar cells containing the same

United States Patent

December 15, 2009
View the Complete Patent at the US Patent & Trademark Office
A solar cell is described that comprises: (a) a semiconductor charge separation material; (b) at least one electrode connected to the charge separation material; and (c) a light-harvesting film on the charge separation material, the light-harvesting film comprising non-covalently coupled, self-assembled units of porphyrinic macrocycles. The porphyrinic macrocycles preferably comprise: (i) an intramolecularly coordinated metal; (ii) a first coordinating substituent; and (iii) a second coordinating substituent opposite the first coordinating substituent. The porphyrinic macrocycles can be assembled by repeating intermolecular coordination complexes of the metal, the first coordinating substituent and the second coordinating substituent.
Lindsey; Jonathan S. (Raleigh, NC), Chinnasamy; Muthiah (Raleigh, NC), Fan; Dazhong (Raleigh, NC)
North Carolina State University (Raleigh, NC)
11/ 782,288
July 24, 2007
GOVERNMENT FUNDING This invention was made with Government support under Grant No. GM36238 from the National Institutes of Health and Grant No. DE-FG02-96ER14632 from the Department of Energy. The US Government has certain rights to this invention.