Driving oxygen coordinated ligand exchange at nanocrystal surfaces using trialkylsilylated chalcogenides

作者：Caldwell Marissa A; Albers Aaron E; Levy Seth C; Pick Teresa E; Cohen Bruce E; Helms Brett A^*; Milliron Delia J

来源：Chemical communications, 2011, 47(1): 556-558.

DOI：10.1039/c0cc02220a

A general, efficient method is demonstrated for exchanging native oxyanionic ligands on inorganic nanocrystals with functional trimethylsilylated (TMS) chalcogenido ligands. In addition, newly synthesized TMS mixed chalcogenides leverage preferential reactivity of TMS-S bonds over TMS-O bonds, enabling efficient transfer of luminescent nanocrystals into aqueous media with retention of their optical properties.

• 出版日期2011