One-pot synthesis of fluorescent carbon nanoribbons, nanoparticles, and graphene by the exfoliation of graphite in ionic liquids.
In this work we demonstrate a facile means to generate fluorescent carbon nanoribbons, nanoparticles, and graphene from graphite electrode using ionic liquid-assisted electrochemical exfoliation. A time-dependence study of products exfoliated from the graphite anode allows the reconstruction of the exfoliation mechanism based on the interplay of anodic oxidation and anion intercalation. We have developed strategies to control the distribution of the exfoliated products. In addition, the fluorescence of these carbon nanomaterials can be tuned from the visible to ultraviolet region by controlling the water content in the ionic liquid electrolyte.
Lu
Jiong
J
Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore.
Yang
Jia-xiang
JX
Wang
Junzhong
J
Lim
Ailian
A
Wang
Shuai
S
Loh
Kian Ping
KP
D001697:Biomedical and Dental Materials; D002244:Carbon / Q000737:chemistry*; D055664:Electrochemical Techniques; D004573:Electrolytes; D005456:Fluorescent Dyes / Q000138:chemical synthesis*; D006108:Graphite / Q000737:chemistry*; D052578:Ionic Liquids / Q000737:chemistry*; D046529:Microscopy, Electron, Transmission; D015394:Molecular Structure; D049329:Nanostructures / Q000737:chemistry* / Q000648:ultrastructure; D010084:Oxidation-Reduction
D001697:Biomedical and Dental Materials; D004573:Electrolytes; D005456:Fluorescent Dyes; D052578:Ionic Liquids; D002244:Carbon; D006108:Graphite