Bibliographic Details
| Title: |
Binary Nanosystems Based on Amphiphilic Molecular Brushes Loaded with Radachlorine® Photosensitizer or Selenium Nanoparticles. |
| Authors: |
Valueva, S. V.1 (AUTHOR), Sukhanova, T. E.2 (AUTHOR) tat_sukhanova@bk.ru, Vylegzhanina, M. E.1 (AUTHOR), Meleshko, T. K.1 (AUTHOR) |
| Source: |
Technical Physics. Sep2020, Vol. 65 Issue 9, p1403-1410. 8p. |
| Subject Terms: |
*GRAFT copolymers, *ATOMIC force microscopy, *PHOTOSENSITIZERS, *SELENIUM, *MOLECULAR conformation, *POLYIMIDES, *SURFACE roughness |
| Abstract: |
The morphology, optical, and molecular-conformation characteristics of amphiphilic molecular brushes with a polyimide main chain and poly(methacrylic)acid acid side chains loaded with the second-generation photosensitizer Radachlorine® or a biogenic element (selenium in the zero-valence form Se0) nanoparticles are studied using atomic force microscopy, UV spectroscopy, and dynamic/static light scattering. The effect of density Z of grafts of poly(methacrylic)acid acid side chains and of the introduction of Radachlorine® or Se0 into amphiphilic molecular brushes on the size, spectral, and molecular conformation characteristics of synthesized binary nanosystems is demonstrated. A nonmonotonic dependence of the nanostructure size and the film surface roughness with increasing Z in binary systems with Radachlorine® and, conversely, a monotonic decrease in the nanostructure size and surface roughness for systems containing Se0 nanoparticles are observed. [ABSTRACT FROM AUTHOR] |
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