Supramolecular architectures featuring the antenna effect in solid state DSSCs
Literature Information
Publication Date
2017-01-18
DOI
10.1039/C6SE00051G
Impact Factor
6.367
Authors
Georgios Charalambidis, Kostas Karikis, Evangelos Georgilis, Bilel Louahem M'Sabah, Yann Pellegrin, Aurélien Planchat, Bruno Lucas, Anna Mitraki, Johann Bouclé, Fabrice Odobel, Athanassios G. Coutsolelos
View Original
Abstract
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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