Fig. 2

a Measured water contact angle and measured droplet diameter of the deposits obtained by printing of a 0.1 wt.% colloidal suspension DS300 and a 2.0 wt.% colloidal suspension BS305 as a function of surface treatment method. b, c SEM images of typical deposits of the highlighted samples of (a) with 2 wt.% solids content. d The principle morphology of the deposits as a function of contact angle of the deposited droplet with the substrate