Effect of the conditions of transfer on the structure and optical properties of Langmuir graphene oxide films during deposition on a substrate

E. V. Seliverstova, N. Kh Ibrayev, R. Kh Dzhanabekova

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

The effect the solvent and transfer pressure of graphene oxide (SLGO) Langmuir–Blodgett films on the physicochemical properties of monolayers, and on their structural and optical properties, is studied. Examination of the physicochemical properties of SLGO monolayers on subphase surfaces that are formed from SLGO dispersions in different organic solvents reveals that monolayer behavior is virtually independent of the solvent. Electron microscope and optical studies show that the monolayers formed from SLGO dispersions in DMF and acetone have the highest transfer coefficients. It is concluded that the structural heterogeneity of the surfaces of graphene oxide films results from simultaneous effect of electrostatic interactions between graphene oxide particles and Van der Waals interactions with the solvation shell of the particles. Studies focusing on the effect the pressure of transferring a graphene oxide monolayer onto the surface of a solid substrate has on structural features of LB films show that films produced at low surface pressures have more homogeneous structures.

Original languageEnglish
Pages (from-to)1761-1765
Number of pages5
JournalRussian Journal of Physical Chemistry A
Volume91
Issue number9
DOIs
Publication statusPublished - 1 Sep 2017
Externally publishedYes

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Graphite
Oxide films
oxide films
Monolayers
graphene
Optical properties
optical properties
Oxides
Substrates
oxides
Dispersions
acetone
Langmuir Blodgett films
solvation
Solvation
Acetone
Coulomb interactions
electron microscopes
examination
Organic solvents

Keywords

  • graphene oxide
  • Langmuir–Blodgett films
  • optical properties
  • structure

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry

Cite this

Effect of the conditions of transfer on the structure and optical properties of Langmuir graphene oxide films during deposition on a substrate. / Seliverstova, E. V.; Ibrayev, N. Kh; Dzhanabekova, R. Kh.

In: Russian Journal of Physical Chemistry A, Vol. 91, No. 9, 01.09.2017, p. 1761-1765.

Research output: Contribution to journalArticle

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