Water-dispersable colloidal quantum dots for the detection of ionizing radiation†
Abstract
Fluorescent CdSe–CdS–Cd0.5Zn0.5S–ZnS core–shell colloidal quantum dots (cQDs) dispersed in aqueous and organic solvents have been prepared and used as scintillators for detecting ionizing radiation. Results demonstrate a linear relationship between emitted luminescence and dose–activity. These results suggest that cQDs alone could be used as liquid scintillators for specific environmental and medical applications.