Size-controlled synthesis of urchin-like reduced graphene oxide microspheres with highly packed density by emulsion-assisted in-situ assembly and their supercapacitor performance

We report a facile water-in-oil (W/O) emulsion method to fabricate urchin-like reduced graphene oxide microspheres (UrGOMSs) with tunable sizes and structures. The success of this synthesis relies on the use of polyethyleneimine and ethylenediamine, acted as an emulsifier and weak crosslinker, respe...

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Bibliographic Details
Published in:Carbon (New York) 2018-08, Vol.134, p.112-122
Main Authors: Yue, Fang, Gao, Guanqing, Li, Fengting, Zheng, Yiqun, Hou, Shifeng
Format: Article
Language:English
Subjects:
Assembly
capacitance
Crosslinking
Density
Diffusion
Droplets
Electrode materials
Electrodes
emulsifiers
emulsions
Ethylenediamine
ethylenediamines
Fullerenes
Graphene
graphene oxide
Heat conductivity
Heat treatment
Hydrogels
Ion diffusion
Microemulsions
microparticles
Microspheres
nanosheets
Polyethyleneimine
Supercapacitors
Surface area
Synthesis
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