Dosimetric analysis of graphitic carbon nitride quantum dots exposed to a gamma radiation for a low-dose applications

In this study, graphitic carbon nitride quantum dots (g-C3N4QDs) were synthesized using different solvents, characterized, and then exposed to a gamma-ray source (137Cs) at irradiation doses of 0.1, 1.48, 2.05 and 3.25 Gy. The intensities of the emission bands progressively were attenuated as the received dose of gamma radiation increased. The changes were quantified with the help of a non-linear fit model. The material showed promising use as a dosimeter for low-dose radiation applications. •Graphitic carbon nitride quantum dots (g-C3N4QDs) were synthesized and characterized using different solvents.•Dosimetric and optical parameters are study in this work.•High-resolution Transmission Electron Microscopy confirms formation of g-C3N4 quantum dots.•The samples are exposed to a gamma-ray source (Cs-137) at irradiation doses of 0.1, 1.48, 2.05 and 3.25 Gy.•The intensity of the emission bands progressively were attenuated as the received dose of gamma radiation increased.