Fig. 5
From: ZnO UV Photodetectors Modified by Ag Nanoparticles Using All-Inkjet-Printing

a, b Schematic diagram for carrier transportation and generation of ZnO film with Ag NPs in dark and in 365 nm illumination, respectively. c, d Schematic diagram for carrier transportation and generation of ZnO film without Ag NPs in dark and in 365 nm illumination respectively. Liu et al. [22]