Controllable size-selective method to prepare graphene quantum dots from graphene oxide

被引：170

作者：

Fan, Tianju ^{[1
]}

Zeng, Wenjin ^{[1
]}

Tang, Wei ^{[1
]}

Yuan, Chunqiu ^{[1
]}

Tong, Songzhao ^{[1
]}

Cai, Kaiyu ^{[1
]}

Liu, Yidong ^{[2
,3
]}

Huang, Wei ^{[1
,2
,3
]}

Min, Yong ^{[1
,4
]}

Epstein, Arthur J. ^{[4
]}

机构：

[1] Nanjing Univ Posts & Telecommun, Inst Adv Mat, Nanjing 210046, Jiangsu, Peoples R China

[2] State Key Lab Organ Elect & Informat Displays, Yancheng 224000, Jiangsu, Peoples R China

[3] Fountain Global Photoelect Technol Co Ltd, Yancheng 224000, Jiangsu, Peoples R China

[4] Ohio State Univ, Dept Phys & Chem & Biochem, Columbus, OH 43210 USA

来源：

NANOSCALE RESEARCH LETTERS | 2015年 / 10卷

关键词：

Graphene oxide; Graphene quantum dots; Chemical cutting; Fluorescence mechanism; ELECTROCHEMICAL AVENUE; CARBON NANOTUBES; BLUE; PHOTOLUMINESCENCE; FLUORESCENCE;

D O I：

10.1186/s11671-015-0783-9

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

We demonstrated one-step method to fabricate two different sizes of graphene quantum dots (GQDs) through chemical cutting from graphene oxide (GO), which had many advantages in terms of simple process, low cost, and large scale in manufacturing with higher production yield comparing to the reported methods. Several analytical methods were employed to characterize the composition and morphology of the resultants. Bright blue luminescent GQDs were obtained with a produced yield as high as 34.8%. Moreover, how the different sizes affect fluorescence wavelength mechanism was investigated in details.

引用

页码：1 / 8

页数：8

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