Ligand conjugation of chemically exfoliated MoS2.

Journal of the American Chemical Society (2013-03-12)
Stanley S Chou, Mrinmoy De, Jaemyung Kim, Segi Byun, Conner Dykstra, Jin Yu, Jiaxing Huang, Vinayak P Dravid
RESUMEN

MoS2 is a two-dimensional material that is gaining prominence due to its unique electronic and chemical properties. Here, we demonstrate ligand conjugation of chemically exfoliated MoS2 using thiol chemistry. With this method, we modulate the ζ-potential and colloidal stability of MoS2 sheets through ligand designs, thus enabling its usage as a selective artificial protein receptor for β-galactosidase. The facile thiol functionalization route opens the door for surface modifications of solution processable MoS2 sheets.

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