ω-Thioacetylalkylphosphonium salts: Precursors for the preparation of phosphonium-functionalised gold nanoparticles
作者:Yon Ju-Nam、David W Allen、Philip H.E. Gardiner、Neil Bricklebank
DOI:10.1016/j.jorganchem.2008.08.009
日期:2008.11
Two new omega-thioacetylalkylphosphonium salts that function as masked cationic alkanethiolate ligands for the stabilisation of gold nanoparticles have been prepared. Both (3-thioacetylpropyl) triphenylphosphonium bromide and (6-thioacetylhexyl) triphenylphosphonium bromide were shown to form water-soluble gold nanoparticles of ca. 5-10 nm in size that are stable for up to six months. The related (3-thioacetylpropyl) diphenylphosphine oxide was also prepared but did not act as a stabilising ligand in gold nanoparticle formation. (C) 2008 Elsevier B. V. All rights reserved.