Insight into BN Impurity Formation during Boron Nitride Nanotube Synthesis by High-Temperature Plasma.

ABSTRACT: The high-temperature plasma process has demonstrated great potential in growing high-quality boron nitride nanotubes (BNNTs) with small diameters (∼5 nm) and few walls (3-4 walls) and led to successful commercialization with a high production rate approaching 20 g/h. However, the process is still accompanied by the production of BN impurities (e.g., a-BN, BN shell, BN flakes) whose physicochemical properties are similar to those of BNNTs. This renders the post-purification process very challenging and thus hampers the development of their practical applications. In this study, we have employed both experimental and numerical approaches for a mechanistic understanding of BN impurity formation in the high-temperature plasma process. This study suggests that the flow structure of the p

SUBMITTER: Kim KS 

PROVIDER: S-EPMC8529687 | biostudies-literature | 2021 Oct

REPOSITORIES: biostudies-literature