Morphology and electronic structure of platinum-containing polymer nanosystems

Morphological characteristics and electronic structures of platinum-containing nanosystems obtained during a redox reaction in water medium at different concentrations of a stabilizing polymer and platinum were studied by atomic-force microscopy (AFM), X-ray photoelectron spectroscopy, and dynamic l...

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Bibliographic Details
Published in:Surface investigation, x-ray, synchrotron and neutron techniques x-ray, synchrotron and neutron techniques, 2011-06, Vol.5 (3), p.440-446
Main Authors: Sukhanova, T. E., Ulyanov, P. G., Vladimirov, G. G., Fedoseenko, S. I., Adamchuk, V. K., Valueva, S. V., Volkov, A. Ya, Matveeva, N. A., Borovikova, L. N.
Format: Article
Language:English
Subjects:
Chemistry and Materials Science
Materials Science
Surfaces and Interfaces
Thin Films
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Summary:Morphological characteristics and electronic structures of platinum-containing nanosystems obtained during a redox reaction in water medium at different concentrations of a stabilizing polymer and platinum were studied by atomic-force microscopy (AFM), X-ray photoelectron spectroscopy, and dynamic light scattering. It was shown that individual and associated structures of different morphologies were formed on the silicon substrate surface. Comparison of the dimension characteristics of nanoclusters in the Pt nanoparticle-polymer systems (in solution by means of molecular optics, on the silicon substrate surface in air by means of AFM) for ionogenic and nonionogenic polymer matrices upon the change of the mass ratio ν has shown that the nanocluster sizes in solution are two to three times larger than those in a thin film formed on the substrate surface. The size dependences of the nanoclusters on ν obtained by these methods exhibit the same character.
ISSN:1027-4510
1819-7094
DOI:10.1134/S1027451011050156