Abstract
Fluorescence based comparative studies of the interaction of Perylene with nitrogen doped graphene quantum dots (N-GQDs) and graphene oxide (GO) are reported here. N-GQDs were synthesized by a solvothermal method using GO as precursor material. Perylene at a fixed concentration (0.1 1-μM) was mixed with GO and N-GQDs, separately in DMF solution. It is observed that the Perylene was readily adsorbed on GO following the traditional Lamgmuir isotherm model, while Perylene makes a complex with the functional groups of N-GQDs and transfer electrons to N-GQDs. As a result, the fluorescence intensity of the N-GQDs-Perylene complex was enhanced, while that of GO-Perylene was quenched. This study is useful to isolate chemicals and carcinogenic as well as hazardous pollutant Perylene by adsorption or complex formation.
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