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[×ÊÔ´] Facile preparation and upconversion luminescence of graphene quantum dotsw

A facile hydrazine hydrate reduction of graphene oxide (GO) with surface-passivated by a polyethylene glycol (PEG) method for the fabrication of graphene quantum dots (GQDs) with frequency upconverted emission is presented. And we speculate
on the upconversion luminescence due to the anti-Stokes photoluminescence (ASPL), where thedEbetween thepandrorbitals is near 1.1 eV.
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  • 2012-12-07 12:36:27, 1.19 M

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