Research Article
Highly Fluorescent Nitrogen-Doped Graphene Quantum Dots’ Synthesis and Their Applications as Fe(III) Ions Sensor
Figure 7
(a) Fluorescence spectra of iron ions with a concentration of 1600~10000μmol/L in the sample; (b) linear detection range of iron ions (the concentration of Fe3+ is1600~6000μmol/L).
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