Facile synthesis of graphene quantum dots and their optical characterization: Fullerenes, Nanotubes and Carbon Nanostructures: Vol 0, No 0

Summary

Graphene quantum dots (GDQs) had been synthesized from citric acid (CA) and coke (C), by utilizing a backside up and a top-down strategy, respectively. The synthesized GQDs had been characterised utilizing FTIR, UV-visible, Raman and photo-luminescence (PL) spectroscopies. Substantial variation of their optical emission habits was noticed. All emission spectra of GQDs extracted from CA, had been centered at 460 nm, however a pink shift was noticed with the rise of excitation wavelength, within the emission curves of C-GQDs. So, on this work the comparability of optical habits of GQDs derived from citric acid and coke has been achieved and related dialogue is reported.

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