The influence of the nature of a nanoparticle and polymer matrix on the morphological characteristics of polymeric nanostructures |
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Authors: | S V Valueva A I Kipper L N Borovikova N A Matveeva |
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Institution: | 1.Institute of Macromolecular Compounds,Russian Academy of Sciences,St. Petersburg,Russia |
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Abstract: | Comparative studies of the morphological characteristics of selenium- and platinum-containing nanostructures were performed
by molecular optics methods. The nanostructures were based on an ionogenic polymeric stabilizer, poly-N,N,N,N-trimethylmethacryloyloxyethylammonium
methyl sulfate, and a non-ionogenic polymeric stabilizer, oxyethylcellulose. Studies were performed in aqueous solutions at
a fixed ratio between components. The adsorption of a considerable number of polymer macromolecules on nanoparticles with
the formation of superhigh-molecular-weight nanostructures with shapes close to spherical was observed for all the nanosystems
studied. The thermodynamic state of nanosystems was characterized. Certain morphological characteristics of nanostructures
were substantially influenced by the nature of both nanoparticles and polymer matrix. |
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