Melamine as a single source for fabrication of mesoscopic 3D composites of N-doped carbon nanotubes on graphene

Integration of two-dimensional graphene and one-dimensional carbon nanotubes (CNTs) to create potentially useful 3D mesoscopic carbon structures with enhanced properties relative to the original materials is very desirable. Here, we report a novel and simple route using chemical vapor deposition (CV...

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Bibliographic Details
Published in:RSC advances 2018-01, Vol.8 (22), p.12157-12164
Main Authors: Yan, Xiao-Ling, Li, Hua-Fei, Wang, Chen, Jiang, Bang-Bang, Hu, Hai-Yan, Xie, Ning, Wu, Marvin H, Vinodgopal, K, Dai, Gui-Ping
Format: Article
Language:English
Subjects:
Carbon
Carbon nanotubes
Chemical vapor deposition
Chemistry
Electron microscopy
Energy storage
Graphene
Graphitization
Manganese
Melamine
Microscopy
Nanotubes
Nickel
Nitrogen
Pyrolysis
Raman spectra
Spectrum analysis
Substrates
Three dimensional composites
X-ray diffraction
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Summary:Integration of two-dimensional graphene and one-dimensional carbon nanotubes (CNTs) to create potentially useful 3D mesoscopic carbon structures with enhanced properties relative to the original materials is very desirable. Here, we report a novel and simple route using chemical vapor deposition (CVD) methods to fabricate bead-like nitrogen-doped CNT/graphene composites (NCNT/G) via a simple pyrolysis of the N-rich melamine in the presence of graphene oxide (GO) as a substrate using a Mn-Ni-Co ternary catalyst. We have characterized these structures by field-emission scanning electron microscopy, transmission electron microscopy, X-ray diffraction, Raman spectra, isothermal analyses, and X-ray photoelectron spectroscopy. The three dimensional NCNT/G hybrids have unique network structures, moderate graphitization, high specific surface area, good mesoporosity, and N doping, which makes them promising materials for applications in energy storage and conversion. Integration of two-dimensional graphene and one-dimensional carbon nanotubes (CNTs) to create potentially useful 3D mesoscopic carbon structures with enhanced properties relative to the original materials is very desirable.
ISSN:2046-2069
2046-2069
DOI:10.1039/c8ra01577e