Tuning the Friction of Graphene on Mica by Alcohol Intercalation

Edwin Dollekamp; Pantelis Bampoulis; Martin H. Siekman; E. Stefan Kooij; Harold J.W. Zandvliet

doi:10.1021/acs.langmuir.9b00471

Tuning the Friction of Graphene on Mica by Alcohol Intercalation

Edwin Dollekamp^* (Corresponding Author), Pantelis Bampoulis, Martin H. Siekman, E. Stefan Kooij, Harold J.W. Zandvliet (Corresponding Author)

^*Corresponding author for this work

Physics of Interfaces and Nanomaterials

Research output: Contribution to journal › Article › Academic › peer-review

3 Citations (Scopus)

79 Downloads (Pure)

Abstract

The friction of graphene on mica was studied using lateral force microscopy. We observed that intercalation of alcohol molecules significantly increases the friction of graphene, as compared to water. An increase of 1.8, 2.4, and 5.9 times in friction between the atomic force microscopy tip and single-layer graphene was observed for methanol, ethanol, and 2-propanol, respectively. Moreover, the friction of graphene is found to be higher for single-layer graphene than for multilayer graphene. We attribute the increase in friction to the additional vibrational modes of alcohol molecules. The significant variation of the frictional characteristics of graphene at the nanoscale by altering the intercalant could open up applications for the next-generation nanolubricants and nanodevices.

Original language	English
Pages (from-to)	4886-4892
Number of pages	7
Journal	Langmuir
Volume	35
Issue number	14
Early online date	18 Mar 2019
DOIs	https://doi.org/10.1021/acs.langmuir.9b00471
Publication status	Published - 9 Apr 2019

Keywords

UT-Hybrid-D

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abstract = "The friction of graphene on mica was studied using lateral force microscopy. We observed that intercalation of alcohol molecules significantly increases the friction of graphene, as compared to water. An increase of 1.8, 2.4, and 5.9 times in friction between the atomic force microscopy tip and single-layer graphene was observed for methanol, ethanol, and 2-propanol, respectively. Moreover, the friction of graphene is found to be higher for single-layer graphene than for multilayer graphene. We attribute the increase in friction to the additional vibrational modes of alcohol molecules. The significant variation of the frictional characteristics of graphene at the nanoscale by altering the intercalant could open up applications for the next-generation nanolubricants and nanodevices.",

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