Reflectance spectra of organic matrices on the basis of photonic crystals formed of polystyrene microspheres with a particle size of 230 nm

The specular and diffuse reflectance spectra of organic matrices on the basis of photonic crystals formed of polystyrene microspheres with a particle size of 230 nm and polydimethylsiloxane layers, which are both applied on substrates made of quartz glass and acrylic plates, are recorded. Part of th...

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Bibliographic Details
Published in:Moscow University chemistry bulletin 2017, Vol.72 (1), p.19-23
Main Authors: Ivanov, A. V., Kozlov, A. A., Koreshkova, A. N., Abdullaev, S. D., Fedorova, I. A.
Format: Article
Language:English
Subjects:
Benzene
Chemistry
Chemistry and Materials Science
Chemistry/Food Science
Glass substrates
Hexanes
Microspheres
Particle size
Photonic crystals
Polydimethylsiloxane
Polystyrene resins
Reflectance
Silica glass
Solvents
Spectra
Toluene
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Summary:The specular and diffuse reflectance spectra of organic matrices on the basis of photonic crystals formed of polystyrene microspheres with a particle size of 230 nm and polydimethylsiloxane layers, which are both applied on substrates made of quartz glass and acrylic plates, are recorded. Part of the organic matrix changes color from green to red-yellow 2 to 5 min after contact with a nonpolar solvent. The kinetics of structural changes occurring in the organic matrix under the influence of non-polar organic solvents, such as toluene, benzene, and n -hexane, is studied by diffusion reflectance spectroscopy. The equilibria in the organic matrix are achieved in 15–20 min.
ISSN:0027-1314
1935-0260
DOI:10.3103/S0027131417010060