Abstract
Lattice phosphorus (P) doping has been demonstrated as an effective method for tuning the fluorescence of graphene quantum dots (GQDs). Due to the many possible oxidation states of P, lattice P-doped GQDs (P-GQDs) are still difficult to synthesize. Here, we report the green preparation of P-GQDs via solvothermal treatment of lecithin with high yield (71 wt%). The resulting P-GQDs show controllable emission wavelength (457–632 nm) and high quantum yield (0.54–0.73), and have demonstrated potential for applications in fluorescent bio-imaging.
Original language | English |
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Pages (from-to) | 156-159 |
Number of pages | 4 |
Journal | Materials Letters |
Volume | 242 |
DOIs | |
Publication status | Published - 1 May 2019 |
Externally published | Yes |
Keywords
- Bio-imaging
- Biomaterials
- Carbon materials
- Green preparation
- Lattice doping