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. 2013 Jul 19;25(27):3657-62.
doi: 10.1002/adma.201300233. Epub 2013 May 27.

Facile synthetic method for pristine graphene quantum dots and graphene oxide quantum dots: origin of blue and green luminescence

Fei Liu  1 , Min-Ho Jang, Hyun Dong Ha, Je-Hyung Kim, Yong-Hoon Cho, Tae Seok Seo
Affiliations

Facile synthetic method for pristine graphene quantum dots and graphene oxide quantum dots: origin of blue and green luminescence

Fei Liu et al. Adv Mater. .

Abstract

Pristine graphene quantum dots and graphene oxide quantum dots are synthesized by chemical exfoliation from the graphite nanoparticles with high uniformity in terms of shape (circle), size (less than 4 nm), and thickness (monolayer). The origin of the blue and green photoluminescence of GQDs and GOQDs is attributed to intrinsic and extrinsic energy states, respectively.

Keywords: graphene oxide quantum dot; graphene quantum dot; graphite nanoparticels; monolayer; photoluminescence.

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