Fig. 6.

Electron microscope images of self-assemblies formed from 5₂•8. a TEM image of 5₂•8 (1.00 × 10⁻⁴ M) in aqueous solution. b TEM image of 5₂•8 (1.00 × 10⁻⁴ M) with the addition of 4 equiv n-Bu₄NCl in aqueous solution. c, d AFM images of 5₂•8 (1.00 × 10⁻³ M) with the addition of 4 equiv n-Bu₄NCl in aqueous solution. e SEM image of 5₂•8 (1.00 × 10⁻⁴ M) in aqueous solution. f SEM image of 5₂•8 (1.00 × 10⁻⁴ M) with the addition of 4 equiv n-Bu₄NCl in aqueous solution. g Schematic representation of the self-assembly of 5₂•8