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Published on: September 20, 2011
High-Concentration Aqueous Dispersions of Nanoscale 2D Materials Using Nonionic, Biocompatible Block Copolymers
Nikhita D Mansukhani1, Linda M Guiney1, Peter J Kim1
1Department of Materials Science and Engineering, Northwestern University, 2220 Campus Drive, Evanston, IL, 60208-3108, USA.
Abstract:
Conditions for the dispersion of molybdenum disulfide (MoS2) in aqueous solution at concentrations up to 0.12 mg mL(-1) using a range of nonionic, biocompatible block copolymers (i.e., Pluronics and Tetronics) are identified. Furthermore, the optimal Pluronic dispersant for MoS2 is found to be effective for a range of other 2D materials such as molybdenum diselenide, tungsten diselenide, tungsten disulfide, tin selenide, and boron nitride.
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