pic4 By liat | Published 5 November, 2015 | Full size is 1217 × 977 pixels Schematic of the spray-coating process that involves a direct transfer of NW suspension to the receiver substrates. (A) Schematic and scanning electron microscopy (SEM) image of the NW sample used in this study. (B) Schematic of the NW suspension. (C) Schematic of the assembled apparatus used in this study. (D) Schematic and optical microscopy image of Si NW spray-coated on the SiOx/Si substrate. pic3