A hyper-raman spectroscopy,spectrophotometry, and atomic force microscopy study of photochromism of spirocyclic compounds on nanostructured metal films |
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| Authors: | G. T. Vasilyuk S. A. Maskevich A. E. German I. F. Sveklo B. S. Luk’yanov L. A. Ageev |
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| Affiliation: | (1) Centre for Synthesis and Chemical Biology, School of Chemistry and Chemical Biology, University College Dublin, Belfield, Dublin 4, Ireland;(2) Current address: Department of Chemistry, National University of Ireland Maynooth, Co. Kildare, Ireland |
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| Abstract: | The specifics of photochromic transformations of spirocyclic molecules at the nanostructured metal surface were studied by hyper-Raman spectroscopy (HRS) and spectrophotometry. Unique nanostructured systems were prepared, and their surface morphology and optical properties were examined. Enhancement of the photochromic transformations near the nanostructured metal surface was revealed. HRS spectra for various classes of spirocyclic compounds adsorbed on nanostructured systems of different types (granular silver films, AgCl-Ag films) were measured. The bands due to in-plane vibrations have the highest intensity, thereby indicating preferred planar geometry of adsorption of the test molecules. |
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