A simple method is presented for exfoliating and suspending hexagonal boron nitride using a co-solvent approach. A 60 w/w% concentration of tert-butanol in water is very effective at exfoliating boron nitride especially when compared to the individual components alone as indicated by UV-vis and transmission electron microscopy. Molecular weight and surface tension are found to play inverse roles in the exfoliation.
K. L. Marsh, M. Souliman and R. B. Kaner, Chem. Commun., 2015, 51, 187 DOI: 10.1039/C4CC07324J
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