Boron Oxide Nanoparticles
Boron Oxide nanoparticles (B2O3) show relatively similar properties to bulk B2O3. There are two different crystalline phases and an amorphous phase of B2O3. The crystalline phases are α- B2O3 (low-pressure) and β- B2O3 (high-pressure) while the amorphous phase is g- B2O3 (glass-like). The nanosized B2O3 materials are found to be advantageous compared to bulk material since the processing of bulk material requires high temperatures and specialized equipment. B2O3 nanoparticles are used as additives in oxide glasses and ceramics for industrial uses such as optical glasses, insulation fiberglass, fire retardants, radiation shielding, and dielectric applications. Additionally, B2O3 nanoparticles are typical Lewis acids. Hence, they are suitable for catalytic applications in organic reactions such as oxidative dehydrogenation of light alkenes. Another novel use of B2O3 nanoparticles is as an adsorbent for polysulfides and iodine species in Li–S and Li–I2 batteries.