Figure 4: TEM analysis.

(a) TEM class average images of POC1+POC2+POC3 at low ‘3:2:2’ (3 μM in POC1 (TFO) and 2 μM in POC2 and POC3) and high ‘25:25:25’ (25 μM in each POC). (b) Average images of the two subcategories (straight and bend) at high concentration. (c) The length and width was measured of the class average image and the aspect ratio was calculated. TEM class average images are 176 × 176 Å.