Quantification of the particle size and stability of graphene oxide in a variety of solvents

Jaime Taha-Tijerina, Deepika Venkataramani, Clint P. Aichele, Chandra Sekhar Tiwary, James E. Smay, Akshay Mathkar, Patricia Chang, Pulickel M. Ajayan

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

© 2014 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim. The exceptional solution processing potential of graphene oxide (GO) is always one of its main advantages over graphene in terms of its industrial relevance in coatings, electronics, and energy storage. However, the presence of a variety of functional groups on the basal plane and edges of GO makes understanding suspension behavior in aqueous and organic solvents, a major challenge. Acoustic spectroscopy can also measure zeta potential to provide unique insight into flocculating, meta-stable, and stable suspensions of GO in deionized water and a variety of organic solvents (including ethanol, ethylene glycol, and mineral oil). As expected, a match between solvent polarity and the polar functional groups on the GO surface favors stable colloidal suspensions accompanied by a smaller aggregate size tending toward disperse individual flakes of GO. This work is significant since it describes the characteristics of GO in solution and its ability to act as a precursor for graphene-based materials. Meta-stable and stable suspensions of graphene oxide in solution with a variety of solvents and their ability to act as precursors of graphene-based materials are shown. Particle size distributions from scanning electron microscopy, tunneling electron microscopy, and acoustic spectroscopy techniques are shown to be in agreement, providing robust insight about these systems and its practical applications in electrodes, sensors, and energy storage.
Original languageEnglish
Pages (from-to)334-339
Number of pages6
JournalParticle and Particle Systems Characterization
DOIs
Publication statusPublished - 1 Jan 2015
Externally publishedYes

Fingerprint

Graphite
Oxides
Graphene
graphene
Particle size
oxides
Suspensions
Acoustic spectroscopy
energy storage
Organic solvents
Energy storage
Functional groups
flocculating
mineral oils
Mineral Oil
Ethylene Glycol
acoustics
Deionized water
Mineral oils
flakes

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics

Cite this

Taha-Tijerina, Jaime ; Venkataramani, Deepika ; Aichele, Clint P. ; Tiwary, Chandra Sekhar ; Smay, James E. ; Mathkar, Akshay ; Chang, Patricia ; Ajayan, Pulickel M. / Quantification of the particle size and stability of graphene oxide in a variety of solvents. In: Particle and Particle Systems Characterization. 2015 ; pp. 334-339.
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Quantification of the particle size and stability of graphene oxide in a variety of solvents. / Taha-Tijerina, Jaime; Venkataramani, Deepika; Aichele, Clint P.; Tiwary, Chandra Sekhar; Smay, James E.; Mathkar, Akshay; Chang, Patricia; Ajayan, Pulickel M.

In: Particle and Particle Systems Characterization, 01.01.2015, p. 334-339.

Research output: Contribution to journalArticle

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