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Mechanical, Dielectric, and Spectroscopic Characteristics of “Micro/Nanocellulose + Oxide” Composites

Article scientifique 2017 Anglais

Résumé

) luminescent oxide particles was prepared. The composites were studied by means of scanning electron microscopy, XRD analysis, dilatometry, differential scanning calorimetry and thermogravimetric analysis, and dielectric and luminescence spectroscopy.Dependencies of density, crystallinity, relative extension, thermal extension coefficient, dielectric relaxation parameters, intensity and shape of photoluminescence bands on temperature, and content of oxide component were studied. The structure of the composite without oxide is formed by grains of nearly 5-50 μm in size (crystallinity is about ~56%). Structure of the micro/nanocellulose samples which contain oxide particles is similar, but the cellulose grains are deformed by oxide particles. Dependencies of the abovementioned properties on temperature and oxide content were analyzed together with data on the size distribution of oxide particles for the samples for various oxide and molecules of water concentrations.

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Nedielko, M., Hamamda, S., Alekseev, O., Chornii, V., Dashevskii, M., Lazarenko, M., Kovalov, K., Nedilko, S., TKACHOV, S., Рево, С., Scherbatskyi, V. (2017). Mechanical, Dielectric, and Spectroscopic Characteristics of “Micro/Nanocellulose + Oxide” Composites. https://doi.org/10.1186/s11671-017-1862-x

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Auteur(s)

M. Nedielko S. Hamamda O. Alekseev V. Chornii M. I. Dashevskii M. M. Lazarenko Kostiantyn Kovalov S. Nedilko SERGII YU. TKACHOV С. Л. Рево V. Scherbatskyi

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