Backes, C., Hanlon, D., Szydlowska, B. M., Harvey, A., Smith, R. J., Higgins, T. M., Coleman, J. N. Preparation of Liquid-exfoliated Transition Metal Dichalcogenide Nanosheets with Controlled Size and Thickness: A State of the Art Protocol. J. Vis. Exp. (118), e54806, doi:10.3791/54806 (2016).