Journal
CERAMICS INTERNATIONAL
Volume 42, Issue 6, Pages 7155-7163Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.ceramint.2016.01.105
Keywords
Boron nitride nanosheets; Ball milling; Hypochlorite; Catalytic
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Funding
- National Natural Science Fund [51402130]
- Jiangsu Province Research Joint Innovation Fund-Prospective Joint Research Project [BY2014123-08]
- Fund of Jiangsu university [FCJJ2015019]
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The unique physicochemical properties of two-dimensional (2D) h-BN and its promising applications in future optoelectronics have motivated an extensive study of its properties. However, a major limiting factor is its high quality and scalable preparation of few-layer h-BN. Herein, a facile, low cost, and high yield process is developed by using a sodium hypochlorite aqueous solution-assisted ball milling exfoliation process. The facile process results in scalable production of few-layer (2-4 sheets) h-BN from commercial BN powders, with little damage of its in-plane structure and high yield amounting to 21%. Furthermore, few-layer h-BN has been demonstrated to be good carrier to support and disperse Ag nanoparticles with high catalytic activity for the reduction of p-nitrophenol to p-aminophenol with NaBH4. The pseudo-first-order reaction rate constant of the pre-prepared catalyst was calculated to be 7.13 x 10(-3) s(-1), larger than that of pristine BN supported Ag nanoparticles. The results indicate that stable exfoliation process could open the way to a range of important applications of h-BN based materials. (C) 2016 Published by Elsevier Ltd and Techna Group S.r.l.
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