Selective engineering of oxygen-containing functional groups using the alkyl ligand oleylamine for revealing the luminescence mechanism of graphene oxide quantum dots

Nanoscale ◽  
2017 ◽  
Vol 9 (47) ◽  
pp. 18635-18643 ◽  
Author(s):  
Min-Ho Jang ◽  
Hyunseung Yang ◽  
Yun Hee Chang ◽  
Hyun-Chul Park ◽  
Hyeonjung Park ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Graphene Oxide ◽  
Functional Groups ◽  
Light Emission ◽  
Epoxide Group ◽  
Graphene Oxide Quantum Dots

The role of the epoxide group in light emission of GOQDs is demonstrated by selective passivation using the alkyl ligand oleylamine.

Yellowish and blue luminescent graphene oxide quantum dots prepared via a microwave-assisted hydrothermal route using H2O2 and KMnO4 as oxidizing agents

2018 ◽  
Vol 42 (6) ◽  
pp. 3999-4007 ◽  
Author(s):  
Chechia Hu ◽  
Tzer-Rurng Su ◽  
Tzu-Jen Lin ◽  
Chien-Wei Chang ◽  
Kuo-Lun Tung
Keyword(s):  
Quantum Dots ◽  
Graphene Oxide ◽  
Blue Light ◽  
Light Emission ◽  
Quantum Yields ◽  
Hydrothermal Route ◽  
Blue Light Emission ◽  
Oxidizing Agents ◽  
Microwave Assisted ◽  
Graphene Oxide Quantum Dots

Microwave-assisted hydrothermal synthesized GOQDs exhibit yellowish-green and blue light emission with quantum yields of 15.1% and 8.4%, respectively.

Heterogeneity in the fluorescence of graphene and graphene oxide quantum dots

2017 ◽  
Vol 184 (3) ◽  
pp. 871-878 ◽  
Author(s):  
Siobhan J. Bradley ◽  
Renee Kroon ◽  
Geoffry Laufersky ◽  
Magnus Röding ◽  
Renee V. Goreham ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Graphene Oxide ◽  
Graphene Oxide Quantum Dots
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