Fig. 4
Deposits of inkjet-printed colloidal suspension on cleaned glass slides; the deposit a was obtained with one droplet of BS305 and b with printing two droplets of the ink on top of each other; c was obtained with one droplet of BL280 with 2 wt.% silica and 60 wt.% formamide and d with printing two droplets of the ink on top of each other; e is a side view of (d) at about 85° substrate inclination