Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/34810
Title: Multicolour light emission from chlorine-doped graphene quantum dots
Authors: Li, X
Lau, SP 
Tang, L
Ji, R
Yang, P
Issue Date: 2013
Publisher: Royal Society of Chemistry
Source: Journal of materials chemistry C, 2013, v. 1, no. 48, p. 7308-7313 How to cite?
Journal: Journal of materials chemistry C 
Abstract: Multicolour emission is realized in chlorine-doped GQDs (Cl-GQDs) prepared by a facile hydrothermal method using fructose and hydrochloric acid as source materials. The average diameter of a Cl-GQD is about 5.4 nm with 2 at.% Cl. The emission colour of the Cl-GQDs can be tuned successively from blue to white, orange, green and red simply by varying the excitation wavelength between 300 and 600 nm. The multicolour emission from the Cl-GQDs can be attributed to Cl doping, which introduces additional energy levels between C π and C π*. The multicolour Cl-GQDs should find applications in bioimaging and optoelectronic devices.
URI: http://hdl.handle.net/10397/34810
ISSN: 2050-7526
EISSN: 2050-7534
DOI: 10.1039/C3TC31473A
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