Polyelectrolyte-coated colloid spheres as templates for sol-gel reactions
DY Wang, F Caruso
CHEMISTRY OF MATERIALS | AMER CHEMICAL SOC | Published : 2002
Polyelectrolyte multilayers deposited onto particles are exploited as thin films for localizing sol-gel reactions of inorganic precursors at particle surfaces, yielding core-shell colloids with defined shell thicknesses. The image shows silica colloids coated with a polyelectrolyte/titania shell.