Stabilized aqueous dispersion of multi-walled carbon nanotubes obtained by RF glow-discharge treatment

Vandsburger, Leron; Swanson, Edward J.; Tavares, Jason Robert; Meunier, Jean‐Luc; Coulombe, Sylvain

doi:10.1007/s11051-009-9656-4

Cited by 24 publications

(27 citation statements)

References 10 publications

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“…Other approaches have been sought to produce the same hydrophilicity in graphite without the time and material requirements of the Hummers method. Very recently, glow discharge treatment has been proven to introduce oxygen species into the lattices of all forms of graphitic materials (e.g., buckyballs, CNTs, graphene, carbon nanofibers, and graphite) [72]. The resulting graphene/graphite oxides have a structure very similar to Hummers GO and can be thermally treated to selectively reduce epoxides.…”

Section: Plasma Functionalizationmentioning

confidence: 99%

Experimental Review of Graphene

Cooper

D’Anjou

Ghattamaneni

et al. 2012

ISRN Condensed Matter Physics

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528

360

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This review examines the properties of graphene from an experimental perspective. The intent is to review the most important experimental results at a level of detail appropriate for new graduate students who are interested in a general overview of the fascinating properties of graphene. While some introductory theoretical concepts are provided, including a discussion of the electronic band structure and phonon dispersion, the main emphasis is on describing relevant experiments and important results as well as some of the novel applications of graphene. In particular, this review covers graphene synthesis and characterization, field-effect behavior, electronic transport properties, magnetotransport, integer and fractional quantum Hall effects, mechanical properties, transistors, optoelectronics, graphene-based sensors, and biosensors. This approach attempts to highlight both the means by which the current understanding of graphene has come about and some tools for future contributions.

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Section: Plasma Functionalizationmentioning

confidence: 99%

Experimental Review of Graphene

Cooper

D’Anjou

Ghattamaneni

et al. 2012

ISRN Condensed Matter Physics

Self Cite

528

360

View full text Add to dashboard Cite

show abstract

“…Gas phase plasma chemistry offers an alternative method for producing conductive polymer thin films. Plasma surface functionalization/coating of CNTs serves the dual purpose of stabilizing CNT dispersions in polymer solutions, which further improves incorporation of CNTs into composites for applications such as field induced polymer electroluminescent devices . Surface functionalization takes advantage of the structure of multi‐walled carbon nanotubes (MWNT) by adding functionalities to the outer layer, while the inner layers are maintained intact for optimal transport properties.…”

Section: Introductionmentioning

confidence: 99%

Carbon Nanotube-Polypyrrole Composite Electrode Materials Produced In Situ by Electron Bombardment in Radio-Frequency Plasma Afterglows

Vandsburger

Coulombe

Meunier

2013

Plasma Process. Polym.

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Free electrons, produced in radio-frequency (13.56 MHz) glow discharges of O 2 , N 2 , and Ar, are recruited to multi-walled carbon nanotubes (MWNTs) by a positive electric field. Electron bombardment degradation is restricted to the tips of the MWNTs. SEM images show that a surface deposited layer develops during degradation. Gas phase plasma reactions form polycyclic aromatic hydrocarbons and plasma polymers, which are re-deposited on the MWNTs as thin films. The plasma polymer is identified as a polypyrrole (PPy)-like plasma polymer, as shown by molecular optical absorption spectroscopy and GC-MS. FT-IR spectra confirm that the surface films are composed of the same plasma polymer. Inert gas plasmas produce higher-molecular weight plasma polymers, while O 2 plasma treatments produce over-oxidized polypyrrolic-plasma polymer films.

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“…The plasmafunctionalized MWCNT suspensions are homogeneous and stable for extended periods of time. For more information regarding MWCNT synthesis, characterization and nanofluid preparation, the reader is referred to Baddour et al [38], Vandsburger et al [24], Hordy et al [37] and references therein.…”

Section: Experimental Setup and Materialsmentioning

confidence: 99%

“…A simple method is the use of surfactants that coat the nanotubes and stabilize them in water. Alternatively, the outer surfaces of the MWCNTs can be functionalized with covalentlybound polar groups to intrinsically promote interaction with water [24][25][26]. This second approach is more robust and reduces the chemical complexity of the system, as well as any undesirable secondary effects due to the additives [27].…”

Section: Introductionmentioning

confidence: 99%