Cooperatively exfoliated fluorinated graphene with full-color emission

被引：64
作者：
Wang, Zhaofeng [1 ]
Wang, Jinqing [1 ]
Li, Zhangpeng [1 ,2 ]
Gong, Peiwei [1 ,2 ]
Ren, Junfang [1 ]
Wang, Honggang [1 ]
Han, Xiuxun [1 ]
Yang, Shengrong [1 ]
机构：
[1] Chinese Acad Sci, Lanzhou Inst Chem Phys, State Key Lab Solid Lubricat, Lanzhou 730000, Peoples R China
[2] Chinese Acad Sci, Grad Univ, Beijing 100080, Peoples R China
来源：
RSC ADVANCES | 2012年 / 2卷 / 31期
基金：
中国国家自然科学基金;
关键词：
LIQUID-PHASE EXFOLIATION; HIGH-YIELD; GRAPHITE; REDUCTION; CARBON; FLUORIDE; SHEETS;
D O I：
10.1039/c2ra21871b
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
We report a novel and effective method to prepare fluorinated graphene sheets (FGS) by the cooperative exfoliation of graphite fluoride using cetyl-trimethyl-ammonium bromide and dopamine. This facile, scalable preparation route results in wide (about 2 mm in width), long (at least 3 mm in length) and ultrathin (1-2 layers) FGS with uniform morphology. The chemical composition of FGS was characterized by X-ray photoelectron spectroscopy and energy dispersive X-ray spectroscopy. The obtained FGS exhibits full-color emission when excited by near ultraviolet (NUV) rays, suggesting its potential applications in luminescence devices, such as NUV-pumped FGS-based flexible light-emitting diodes.
引用
收藏
页码：11681 / 11686
页数：6
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