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Abstract <p>The results of a study of the synthesis of boron nanopowder in a flow of thermal hydrogen-containing plasma of an electric arc plasma torch in a reactor with a limited jet flow are presented. A thermodynamic analysis of the BCl<sub>3</sub> + <i>x</i> H<sub>2</sub> (<i>x</i> = 1.5–48) system was performed in the temperature range of 400–3000 K and pressure of 0.1 MPa, the dependences of the equilibrium yield of boron on the temperature and the ratio of elements H/Cl were established. In the experiments, samples of boron nanopowders were obtained, consisting of particles with a size of 30–90 nm. The influence of synthesis parameters on the yield and specific surface area of boron nanopowder was studied.</p>

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Synthesis of Boron Nanopowder in a Plasma-Chemical Reactor Based on an Electric Arc Plasma Torch

  • 期刊论文

  • 发表日期：

    2025年2月1日

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  • D. E. Kirpichev,
  • A. V. Samokhin,
  • N. V. Alekseev,
  • M. A. Sinaiskii,
  • A. A. Dorofeev,
  • I. V. Kul’bakin,
  • D. V. Fisunov

摘要

Abstract

The results of a study of the synthesis of boron nanopowder in a flow of thermal hydrogen-containing plasma of an electric arc plasma torch in a reactor with a limited jet flow are presented. A thermodynamic analysis of the BCl3 + x H2 (x = 1.5–48) system was performed in the temperature range of 400–3000 K and pressure of 0.1 MPa, the dependences of the equilibrium yield of boron on the temperature and the ratio of elements H/Cl were established. In the experiments, samples of boron nanopowders were obtained, consisting of particles with a size of 30–90 nm. The influence of synthesis parameters on the yield and specific surface area of boron nanopowder was studied.