A Mixed‐Solvent Strategy for Efficient Exfoliation of Inorganic Graphene Analogues

Abstract

Two are better than one: A mixed-solvent method for liquid exfoliation of MoS2, WS2, and BN nanosheets is presented. Although ethanol and water are both poor solvents for this process, ethanol/water mixtures of appropriate composition, which can be predicted on the basis of Hansen solubility parameters, result in efficient exfoliation (see schematic) to give highly stable suspensions.