Determination of the Porosity of Silicon Dioxide Microparticles by the Method of Refractive Index Matching

The porosity of silica microparticles synthesized by the Stöber–Fink–Bohn method was determined by the method of refractive index matching. The values of the total porosity of particles for different transmission radiation wavelengths are obtained. The limits of applicability of the method, which ar...

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Bibliographic Details
Published in:Optics and spectroscopy 2020-09, Vol.128 (9), p.1388-1392
Main Authors: Akhmadeev, A. A., Gainutdinov, A. R., Khamadeev, M. A., Salakhov, M. Kh
Format: Article
Language:English
Subjects:
Lasers
Matching
Microparticles
Optical Devices
Optics
Photonics
Physical Optics
Physics
Physics and Astronomy
Porosity
Refractivity
Silicon dioxide
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Summary:The porosity of silica microparticles synthesized by the Stöber–Fink–Bohn method was determined by the method of refractive index matching. The values of the total porosity of particles for different transmission radiation wavelengths are obtained. The limits of applicability of the method, which are associated with the ratio of the radiation wavelength to the size of microparticles, are analyzed.
ISSN:0030-400X
1562-6911
DOI:10.1134/S0030400X20090027