Abstract
Hollow submicrometer-sized SiO2 particles are synthesized, and changes in the structure and morphology of their shells during heat treatment are studied. The dependences of the shrinkage of silica shells on the temperature of annealing of particles are studied. It is found the shells of hollow particles are pore-free and impervious to liquids after annealing at 600°C.
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ACKNOWLEDGMENTS
The work was performed using the facilities of the shared resource center at the Ospyan Institute of Solid State Physics, Russian Academy of Sciences.
Funding
This work was supported within the State Task for the Osipyan Institute of Solid State Physics, Russian Academy of Sciences, and the Institute of Microelectronics Technology and High Purity Materials, Russian Academy of Sciences.
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Translated by N. Podymova
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Sukhinina, N.S., Masalov, V.M., Khodos, I.I. et al. Evolution of the Shell Structure of Hollow Submicrometer SiO2 Particles during Heat Treatment. Bull. Russ. Acad. Sci. Phys. 87, 1473–1477 (2023). https://doi.org/10.3103/S1062873823703513
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DOI: https://doi.org/10.3103/S1062873823703513