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Spherical ensembles of gold nanoparticles on silica: electrostatic and size effects
1Department of Chemistry, Purdue University, West Lafayette, IN 47907-1393, USA.
Chemical Communications (Cambridge, England)
|August 13, 2002
Abstract:
Core-shell ensembles of citrate-stabilized gold nanoparticles (20-80 nm) on submicron silica cores (330-550 nm) have been prepared by electrostatic self-assembly with shell packing densities as high as phi = 0.55.