Color Bricks: Building Highly Organized and Strongly Absorbing Multicomponent Arrays of Terpyridyl Perylenes on Metal Oxide Surfaces

Essi Sariola-Leikas, Zafar Ahmed, Paola Vivo, Anniina Ojanperä, Kimmo Lahtonen, Jesse Saari, Mika Valden, Helge Lemmetyinen, Alexander Efimov

    Research output: Contribution to journalArticleScientificpeer-review

    4 Citations (Scopus)

    Abstract

    Terpyridine-substituted perylenes containing cyclic anhydrides in the peri position were synthesized. The anhydride group served as an anchor for assembly of the terpyridyl-crowned chromophores as monomolecular layers on metal oxide surfaces. Further coordination with Zn2+ ions allowed for layer-by-layer formation of supramolecular assemblies of perylene imides on the solid substrates. With properly selected anchor and linker molecules it was possible to build high quality structures of greater than ten successive layers by a simple and straightforward procedure. The prepared films were stable and had a broad spectral coverage and high absorbance. To demonstrate their potential use, the synthesized dyes were employed in solid-state dye-sensitized solar cells, and electron injection from the perylene antennas to titanium dioxide was observed.
    Original languageEnglish
    Pages (from-to)1501-1510
    JournalChemistry: A European Journal
    Volume22
    Issue number4
    Early online date3 Dec 2015
    DOIs
    Publication statusPublished - Jan 2016
    Publication typeA1 Journal article-refereed

    Publication forum classification

    • Publication forum level 2

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