Figure 4
From: Charging and discharging of single colloidal particles at oil/water interfaces
Charging of single colloidal particles at oil/water interfaces.
Charging polystyrene microspheres (cyan bars) at an octane/10 mM NaCl interface using distinct suspensions: (a) containing different amounts of isopropanol ranging from 1 to 20%, (b) containing 5% methanol or ethanol or using pipetting for dispersions. Charging polymethylmethacrylate (red bar) or gold microspheres at an octane/10 mM NaCl interface, where the symbol (*) presents that the long-ranged repulsion had not been observed. (c) Cartoon schematically shows charging and discharging of single colloidal particles at an oil/water interface.
