Journal
SUSTAINABLE ENERGY & FUELS
Volume 1, Issue 2, Pages 387-395Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c6se00051g
Keywords
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Funding
- European Commission's Seventh Framework Programme (FP7) [229927, FP7-REGPOT-2008-1]
- Special Research Account of the University of Crete
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Hybrid artificial antenna systems, with implementation of nature's basic concept of self-organization of chromophores, attract vast interest due to their potential application in solar cells. Herein, we report a new supramolecular system comprising two porphyrins, a free base and its zinc analogue, bearing diphenylalanine units. The first is grafted on the TiO2 surface and plays the role of an initiator in the self-assembly of the second, inducing the formation of multi-molecular self-assembled spherical nanostructures. The achieved assemblies display an antenna effect and are used as biomimetic chromophore systems for dye-sensitized solar cells (DSSCs). This self-assembled antenna system gives a proof of concept that multichromophoric supramolecular assemblies based on hydrogen bonds can be of practical use for photovoltaic applications.
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