Synthesis of titanium boride (TiB)2 nanocrystallites by solution-phase processing
Source abstract
Abstract
Nanocrystalline TiB2 is prepared by reaction of NaBH4 and TiCl4. The initial solution-phase reaction affords an amorphous precursor powder from which 5-100 nm TiB2 crystallites are obtained upon annealing at 900-1100 °C. Crystallite sizes depend on the annealing temperature and other processing parameters. Crystallite morphology is size dependent; crystallites smaller than 12-15 nm are cuboidal, whereas crystallites larger than 12-15 nm are hexagonal platelets. The procedure affords gram quantities of the smallest available TiB2 nanocrystallites.
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Research context
OpenAlex topics: Advanced materials and composites · Boron and Carbon Nanomaterials Research · Advanced ceramic materials synthesis
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