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Issue 6, 2015
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Laser-ablation production of graphene oxide nanostructures: from ribbons to quantum dots

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Abstract

A new one-step method for the preparation of graphene oxide (GO) nanostructures has been developed by pulsed laser ablation in GO solution. The formation of different shapes of GO nanostructures, such as ribbons, nanoflakes (including nano-squares, nano-rectangles, nano-triangles, nano-hexagons, and nano-disks) and quantum dots, has been demonstrated by scanning electron microscopy and transmission electron microscopy. Photoreduction for the GO occurred during irradiation by the pulsed laser. The GO quantum dots exhibit a blue photoluminescence, originating from recombination of the localized carriers in the zigzag-edge states.

Graphical abstract: Laser-ablation production of graphene oxide nanostructures: from ribbons to quantum dots

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Article information


Submitted
30 Sep 2014
Accepted
12 Dec 2014
First published
16 Dec 2014

Nanoscale, 2015,7, 2708-2715
Article type
Paper
Author version available

Laser-ablation production of graphene oxide nanostructures: from ribbons to quantum dots

T. N. Lin, K. H. Chih, C. T. Yuan, J. L. Shen, C. A. J. Lin and W. R. Liu, Nanoscale, 2015, 7, 2708
DOI: 10.1039/C4NR05737F

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