Ultraviolet irradiation dosimeter based on persistent photoconductivity effect of ZnO |
Characterizations of the ZnO MWs. (a) XRD patterns of the ZnO MWs. The inset shows the schematic diagram of the ZnO MW based device. (b) SEM images of a single ZnO MW. The inset shows an enlarged SEM image of the surfaces. (c) PL spectrum of the ZnO MW. |