Cavitating inside spherical boron nitride nanoparticles dependent on controllably follow-up treated atmospheres
JOURNAL OF NANOPARTICLE RESEARCH(2020)
摘要
A novel two-step method is developed for the facile preparation of hollow nano-spherical boron nitride (BN). BN nanospheres prepared by the traditional chemical vapor deposition reaction of ammonia and trimethyl borate were hollowed out. The average size of solid BN nanospheres precursor was ~ 130 nm. Boron nitride phase, morphology, and surface functionalization characterization along with the measurement of O content, and surface functionality were used to illustrate the final differences among various cavitating BN nanospheres treated with different gas flows at a higher temperature. Several possible formation mechanisms for the BN cavitating structures were proposed. This work provides direction for the controllable preparation of hollow-type BN particles.
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关键词
Hexagonal boron nitride,Solid BN nanosphere,Hollow BN nanosphere,Trimethyl borate
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