1 research outputs found
Highly Efficient Growth of Boron Nitride Nanotubes and the Thermal Conductivity of Their Polymer Composites
We developed a novel
strategy for the gram-scale fabrication of
boron nitride nanotubes (BNNTs). Li<sub>3</sub>N was used as the promoter:
it not only catalyzes the BNNTs growth but also serves as the nitrogen
source. BNNT/thermoplastic polyurethane (TPU) are flexible, transparent,
and thermally conductive composite films that were also fabricated
with an in-plane thermal conductivity of 14.5 W m<sup>–1</sup> K<sup>–1</sup> at 1.0 wt % BNNTs. This is an improvement
of more than 400% over neat TPU. This study will enable BNNTs to be
used in heat dissipation materials, high temperature components, and
thermal protection systems