Author:Mbule, PS; Mhlongo, Gugu H; Pitale, SS; Swart, HC; Ntwaeaborwa, OMDate:May 2012In this study, red cathodoluminescence (CL) ( emission=614 nm) was observed from Pr3+ ions in a glassy (amorphous) SiO2 host. This emission was enhanced considerably when ZnO quantum dots (QDs) were incorporated in the SiO2:Pr3+ suggesting ...Read more