Issue 9, 2011
From the journal:

Chemical Communications

Facile preparation and upconversion luminescence of graphene quantum dots†

Jianhua Shen,a   Yihua Zhu,*a   Cheng Chen,a   Xiaoling Yanga  and  Chunzhong Li*a  

* Corresponding authors

a Key Laboratory for Ultrafine Materials of Ministry of Education, School of Materials Science and Engineering, East China University of Science and Technology, Shanghai 200237, China
E-mail: yhzhu@ecust.edu.cn, czli@ecust.edu.cn
Fax: +86 21 6425 0624
Tel: +86 21 6425 2022

Abstract

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 the δE between the π and σ orbitals is near 1.1 eV.

Graphical abstract: Facile preparation and upconversion luminescence of graphene quantum dots

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Article information

DOI
https://doi.org/10.1039/C0CC04812G
Article type
Communication
Submitted
05 nov. 2010
Accepted
01 déc. 2010
First published
21 déc. 2010

Chem. Commun., 2011,47, 2580-2582

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Facile preparation and upconversion luminescence of graphene quantum dots

J. Shen, Y. Zhu, C. Chen, X. Yang and C. Li, Chem. Commun., 2011, 47, 2580 DOI: 10.1039/C0CC04812G

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