Tuning the Photoluminescence of Graphene Quantum Dots by Fluorination

被引：15
|
作者：
Luo, Yi [1 ]
Xu, Yongjie [1 ]
Li, Ming [1 ]
Sun, Lang [1 ]
Hu, Guanghui [1 ]
Tang, Tao [1 ]
Wen, Jianfeng [1 ]
Li, Xinyu [1 ]
机构：
[1] Guilin Univ Technol, Coll Sci, Guilin 541004, Peoples R China
来源：
JOURNAL OF NANOMATERIALS | 2017年 / 2017卷
关键词：
NITROGEN;
D O I：
10.1155/2017/9682846
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Fluorinated graphene quantum dots (F-GQDs) were prepared by mixing GQDs and XeF2 in a facile gaseous phase heating method. The F-GQDs with excellent water solubility have a F/C atomic ratio of 84.25% and a diameter of 2-6 nm. The photoluminescence (PL) properties of GQDs and F-GQDs were investigated systematically. The results showed that the PL emission of the F-GQDs exhibited an obvious blue-shift of 90 nm compared to that of the GQDs.
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页数：6
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