Abstract
Millimeter-sized boron carbide ceramic hollow microspheres have promising practical application in the encapsulation of nuclear fusion materials in the field of inertial confinement fusion. However, the fabrication of millimeter-sized compact boron carbide ceramic hollow microspheres from poly(6-hexenyldecaborane) precursor has not been reported yet. In this work, poly(6-hexenyldecaborane)s with decaborane in the main chain and the branched chain, respectively, were synthesized using 6-CH2CH(CH2)4-B10H13 as the monomer. Furthermore, compact boron carbide ceramic hollow microspheres were fabricated by the combination of emulsification-solvent evaporation technique and precursor derived method. With smooth surface and good sphericity, the hollow ceramic microspheres had an average outer diameter of 1.0mm and shell thickness ranging from 15 to 30μm.
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