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Chem Commun (Camb). 2016 Jul 07;52(57):8842-5. doi: 10.1039/c6cc03452g.

Hydrogen bonding mediated orthogonal and reversible self-assembly of porphyrin sensitizers onto TiO2 nanoparticles.

Chemical communications (Cambridge, England)

Lukas Zeininger, Fabian Lodermeyer, Ruben D Costa, Dirk M Guldi, Andreas Hirsch

Affiliations

  1. Department of Chemistry and Pharmacy, Institute of Organic Chemistry, University of Erlangen-Nürnberg, Henkestrasse 42, 91054 Erlangen, Germany. [email protected].
  2. Department of Chemistry and Pharmacy & Interdisciplinary Center for Molecular Materials, University of Erlangen-Nürnberg, Egerlandstrasse 3, 91058 Erlangen, Germany.

PMID: 27346702 DOI: 10.1039/c6cc03452g

Abstract

We report on the orthogonal, highly directional and reversible self-assembly of porphyrins onto TiO2 nanoparticles by means of hydrogen bonding interactions. Unifying the stable covalent surface attachment of tailored, synthesized Hamilton receptors with the advantages of a non-covalent supramolecular immobilization of porphyrin cyanurates resulted in a redox- and photo-active nanohybrid. The latter was successfully implemented into a new type of supramolecular dye-sensitized solar cells.

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