Figure 4.

Variation of mean size of the particles obtained as (a) a function of applied voltage and flow rate and (b) highlighting the cone-jet region for PCL : DMAC 5∶95 wt% solution. (a) Blue diamond line, F.R. = 50 µl min⁻¹; pink square line, F.R. = 40 µl min⁻¹; yellow line, F.R. = 30 µl min⁻¹; dark blue line, F.R. = 20 µl min⁻¹; pink cross line, 10 µl min⁻¹; red diamond line, 5 µl min⁻¹; green line, 2 µl min⁻¹; (b) blue bar, 50 µl min⁻¹; pink bar, 40 µl min⁻¹; green bar, 30 µl min⁻¹; purple bar, 20 µl min⁻¹; brown bar, 10 µl min⁻¹; dark blue bar, 5 µl min⁻¹; red bar, 2 µl min⁻¹.