Fig. 7: Scanning electron microscopy.

The SEM images of a Nq[10]CPP in THF/water (20:80, v/v, fw = 80 %); b Nq[10]CPP in THF/water (5:95, v/v, fw = 95 %); c Aq[10]CPP in THF/water (45:55, v/v, fw = 55 %); d Aq[10]CPP in THF/water (5:95, v/v, fw = 90 %); e Tq[10]CPP in THF/water (28:72, v/v, fw = 72 %); f) Tq[10]CPP in THF/water (10:90, v/v, fw = 90 %). g oxTh[10]CPP in THF/water (40:60, v/v, fw = 60 %); h) oxTh[10]CPP in THF/water (10:90, v/v, fw = 90 %).