Journal
RSC ADVANCES
Volume 8, Issue 22, Pages 12157-12164Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c8ra01577e
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Funding
- National Natural Science Foundation of China [51462022, 51762032]
- Natural Science Foundation Major Project of Jiangxi Province of China [20152ACB20012]
- NSF CREST Award [HRD-0833184]
- NSF PREM Award [DMR 1523617]
- Division Of Materials Research [1523617] Funding Source: National Science Foundation
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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-NiCo 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.
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