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Formation of Nanoscale Sodium Dodecahydro-closo-Dodecaborate Na2[B12H12] on the Surface of a Silicate Matrix

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Abstract

The method of synthesis of nanoscaled sodium dodecahydro-closo-dodecaborate Na2[B12H12] is presented. The desired product has been prepared by heating to 200°C the composite formed by the introduction of the triethylammonium salt [Et3NH]2[B12H12] into the silicate matrix of sodium liquid glass. The morphology and phase composition of the synthesized sample have been studied by SEM and X-ray diffraction methods in comparison with regular Na2[B12H12] salt. According to the obtained data, the sample under study is an amorphous composite, on the surface of which nanoscale crystals of Na2[B12H12] are formed.

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Notes

  1. X-ray powder diffraction was performed on a Bruker D8 Advance X-ray diffractometer at the Shared Facility Center of the Kurnakov Institute (CuKα-radiation) in low-background cells with a substrate of an oriented silicon single crystal in the 2θ angle ranging from 5° to 80° with a step of 0.01125°. To obtain X-ray powder diffraction patterns, samples I and II were triturated in an agate mortar before tests.

  2. SEM studies were performed on a SCAN-S2 device with an accelerating voltage of 20 kV and a focal length of 11 mm. The survey was carried out in the secondary electron mode.

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ACKNOWLEDGMENTS

This work was supported by the Russian Science Foundation, project no. 14-13-01115.

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Authors and Affiliations

  1. Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, 119991, Moscow, Russia

    E. A. Malinina, I. V. Kozerozhets, V. V. Avdeeva, L. V. Goeva, G. A. Buzanov &  N. T. Kuznetsov

  2. Semenov Institute of Chemical Physics, Russian Academy of Sciences, 119991, Moscow, Russia

    V. K. Skachkova, A. Yu. Shaulov &  A. A. Berlin

Authors
  1. E. A. Malinina
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  2. V. K. Skachkova
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  3. I. V. Kozerozhets
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  4. V. V. Avdeeva
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  5. L. V. Goeva
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  6. G. A. Buzanov
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  7. A. Yu. Shaulov
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  8. A. A. Berlin
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  9. N. T. Kuznetsov
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Corresponding author

Correspondence to V. V. Avdeeva.

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Translated by V. Avdeeva

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Malinina, E.A., Skachkova, V.K., Kozerozhets, I.V. et al. Formation of Nanoscale Sodium Dodecahydro-closo-Dodecaborate Na2[B12H12] on the Surface of a Silicate Matrix. Dokl Chem 484, 1–4 (2019). https://doi.org/10.1134/S0012500819010026

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  • DOI: https://doi.org/10.1134/S0012500819010026

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