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Issue 39, 2011
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Efficient surface structuring and photoalignment of supramolecular polymer–azobenzene complexes through rational chromophore design

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Abstract

Rational selection of the para-substituent of azobenzene chromophores in supramolecular polymeric complexes is exploited to control the chromophorechromophore intermolecular interactions occurring in the material system. This allows optimizing the material system for either efficient surface-relief formation or for high and stable photoalignment. The surface-relief gratings can be subsequently coated with amorphous TiO2 using atomic layer deposition, resulting in high-quality and high-index organic–inorganic gratings with vastly improved thermal stability compared to all-polymeric gratings.

Graphical abstract: Efficient surface structuring and photoalignment of supramolecular polymer–azobenzene complexes through rational chromophore design

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Publication details

The article was received on 09 Jun 2011, accepted on 09 Aug 2011 and first published on 05 Sep 2011


Article type: Paper
DOI: 10.1039/C1JM12642C
Citation: J. Mater. Chem., 2011,21, 15437-15441
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    Efficient surface structuring and photoalignment of supramolecular polymer–azobenzene complexes through rational chromophore design

    J. Vapaavuori, V. Valtavirta, T. Alasaarela, J. Mamiya, A. Priimagi, A. Shishido and M. Kaivola, J. Mater. Chem., 2011, 21, 15437
    DOI: 10.1039/C1JM12642C

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