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    Decoloration rates of a photomerocyanine dye as a visual probe into hydrogen bonding interactions

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    Fulltext not available
    Authors
    Ciampi, S.
    Eggers, P.
    Haworth, N.
    Darwish, Nadim
    Wagner, P.
    Coote, M.
    Wallace, G.
    Raston, C.
    Date
    2015
    Type
    Journal Article
    
    Metadata
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    Citation
    Ciampi, S. and Eggers, P. and Haworth, N. and Darwish, N. and Wagner, P. and Coote, M. and Wallace, G. et al. 2015. Decoloration rates of a photomerocyanine dye as a visual probe into hydrogen bonding interactions. Chemical Communications. 51 (23): pp. 4815-4818.
    Source Title
    Chemical Communications
    DOI
    10.1039/c4cc09857a
    ISSN
    1359-7345
    School
    Nanochemistry Research Institute
    URI
    http://hdl.handle.net/20.500.11937/21042
    Collection
    • Curtin Research Publications
    Abstract

    We have developed a visual marker for the investigation of hydrogen bonding (HB) effects. The decoloration rate of a photochromic dye that incorporates a latent intra-molecular HB feature can be linked to the HB character of the media. Kinetic and thermodynamic parameters of this simple decoloration approach for HB sensing are investigated both experimentally and by high level theoretical studies. This principle has been applied for the detection of changes in the HB character of stationary and fluidic systems. A major finding is the observation of a shear-related perturbation of the balance between intra- and inter-molecular HB within a dynamic thin film.

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