Local organization of graphene network inside graphene/polymer composites

Alexander Alekseev, Delei Chen, Evgeniy E. Tkalya, Marcos G. Ghislandi, Yuliya Syurik, Oleg Ageev, Joachim Loos, Gijsbertus De With

Research output: Contribution to journalArticle

38 Citations (Scopus)

Abstract

The local electrical properties of a conductive graphene/polystyrene (PS) composite sample are studied by scanning probe microscopy (SPM) applying various methods for electrical properties investigation. We show that the conductive graphene network can be separated from electrically isolated graphene sheets (GS) by analyzing the same area with electrostatic force microscopy (EFM) and conductive atomic force microscopy (C-AFM). EFM is able to detect the graphene sheets below the sample surface with the maximal depth of graphene detection up to ≈100 nm for a tip-sample potential difference of 3 V. To evaluate depth sensing capability of EFM, the novel technique based on a combination of SPM and microtomy is utilized. Such a technique provides 3D data of the GS distribution in the polymer matrix with z-resolution on the order of ≈10 nm. Finally, we introduce a new method for data correction for more precise 3D reconstruction, which takes into account the height variations.

Original languageEnglish
Pages (from-to)1311-1318
Number of pages8
JournalAdvanced Functional Materials
Volume22
Issue number6
DOIs
Publication statusPublished - Mar 21 2012
Externally publishedYes

Fingerprint

Graphite
Graphene
graphene
Polymers
composite materials
Electrostatic force
microscopy
Composite materials
polymers
Scanning probe microscopy
Microscopic examination
electrostatics
microtomy
Electric properties
electrical properties
scanning
probes
Polystyrenes
Polymer matrix
Atomic force microscopy

Keywords

  • 3D reconstruction
  • Conductive-AFM
  • Electrostatic Force Microscopy
  • graphene composite

ASJC Scopus subject areas

  • Biomaterials
  • Electrochemistry
  • Condensed Matter Physics
  • Electronic, Optical and Magnetic Materials

Cite this

Alekseev, A., Chen, D., Tkalya, E. E., Ghislandi, M. G., Syurik, Y., Ageev, O., ... De With, G. (2012). Local organization of graphene network inside graphene/polymer composites. Advanced Functional Materials, 22(6), 1311-1318. https://doi.org/10.1002/adfm.201101796

Local organization of graphene network inside graphene/polymer composites. / Alekseev, Alexander; Chen, Delei; Tkalya, Evgeniy E.; Ghislandi, Marcos G.; Syurik, Yuliya; Ageev, Oleg; Loos, Joachim; De With, Gijsbertus.

In: Advanced Functional Materials, Vol. 22, No. 6, 21.03.2012, p. 1311-1318.

Research output: Contribution to journalArticle

Alekseev, A, Chen, D, Tkalya, EE, Ghislandi, MG, Syurik, Y, Ageev, O, Loos, J & De With, G 2012, 'Local organization of graphene network inside graphene/polymer composites', Advanced Functional Materials, vol. 22, no. 6, pp. 1311-1318. https://doi.org/10.1002/adfm.201101796
Alekseev, Alexander ; Chen, Delei ; Tkalya, Evgeniy E. ; Ghislandi, Marcos G. ; Syurik, Yuliya ; Ageev, Oleg ; Loos, Joachim ; De With, Gijsbertus. / Local organization of graphene network inside graphene/polymer composites. In: Advanced Functional Materials. 2012 ; Vol. 22, No. 6. pp. 1311-1318.
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