Fig. 3

XRD diffraction pattern of a bare Si substrate and of ZnO NP seed layers deposited on a (100) Si substrate by dip-coating. Each dip-coating is followed by an annealing step at 300 °C for 10 min
XRD diffraction pattern of a bare Si substrate and of ZnO NP seed layers deposited on a (100) Si substrate by dip-coating. Each dip-coating is followed by an annealing step at 300 °C for 10 min