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Water-dispersable colloidal quantum dots for the detection of ionizing radiation
Marie-Eve Lecavalier1, Mathieu Goulet, Claudine Nì Allen
1Radioecology Laboratory, Chemistry Department, Laval University, Qc, CanadaG1V 0A6. dominic.lariviere@chm.ulaval.ca.
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.

