Understanding the Photoluminescence Mechanism of Nitrogen-Doped Carbon Dots by Selective Interaction with Copper Ions.

@article{Ganiga2016UnderstandingTP,
  title={Understanding the Photoluminescence Mechanism of Nitrogen-Doped Carbon Dots by Selective Interaction with Copper Ions.},
  author={Manjunatha Ganiga and Jobin Cyriac},
  journal={Chemphyschem : a European journal of chemical physics and physical chemistry},
  year={2016},
  volume={17 15},
  pages={
          2315-21
        }
}
Doped fluorescent carbon dots (CDs) have drawn widespread attention because of their diverse applications and attractive properties. The present report focusses on the origin of photoluminescence in nitrogen-doped CDs (NCDs), which is unraveled by the interaction with Cu(2+) ions. Detailed spectroscopic and microscopic studies reveal that the broad steady-state photoluminescence emission of the NCDs originates from the direct recombination of excitons (high energy) and the involvement of defect… CONTINUE READING
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