Mean-field theory of photoinduced formation of surface reliefs in side-chain azobenzene polymers

Thomas Garm Pedersen, Per Michael Johansen, N.C.R. Holme, P.S. Ramanujam, Søren Hvilsted

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    Abstract

    A mean-field model of photoinduced surface reliefs in dye containing side-chain polymers is presented. It is demonstrated that photoinduced ordering of dye molecules subject to anisotropic intermolecular interactions leads to mass transport even when the intensity of the incident light is spatially uniform. Theoretical profiles are obtained using a simple variational method and excellent agreement with experimental surface reliefs recorded under various polarization configurations is found. The polarization dependence of both period and shape of the profiles is correctly reproduced by the model.
    Original languageEnglish
    JournalPhysical Review Letters
    Volume80
    Issue number1
    Pages (from-to)89-92
    ISSN0031-9007
    DOIs
    Publication statusPublished - 1998

    Cite this

    Pedersen, T. G., Johansen, P. M., Holme, N. C. R., Ramanujam, P. S., & Hvilsted, S. (1998). Mean-field theory of photoinduced formation of surface reliefs in side-chain azobenzene polymers. Physical Review Letters, 80(1), 89-92. https://doi.org/10.1103/PhysRevLett.80.89