Universität zu Köln

Dollekamp, Edwin, Bampoulis, Pantelis ORCID: 0000-0002-2347-5223, Siekman, Martin H., Kooij, E. Stefan and Zandvliet, Harold J. W. (2019). Tuning the Friction of Graphene on Mica by Alcohol Intercalation. Langmuir, 35 (14). S. 4886 - 4893. WASHINGTON: AMER CHEMICAL SOC. ISSN 0743-7463

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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.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Dollekamp, Edwin UNSPECIFIED UNSPECIFIED UNSPECIFIED Bampoulis, Pantelis UNSPECIFIED orcid.org/0000-0002-2347-5223 UNSPECIFIED Siekman, Martin H. UNSPECIFIED UNSPECIFIED UNSPECIFIED Kooij, E. Stefan UNSPECIFIED UNSPECIFIED UNSPECIFIED Zandvliet, Harold J. W. UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-150868
DOI:	10.1021/acs.langmuir.9b00471
Journal or Publication Title:	Langmuir
Volume:	35
Number:	14
Page Range:	S. 4886 - 4893
Date:	2019
Publisher:	AMER CHEMICAL SOC
Place of Publication:	WASHINGTON
ISSN:	0743-7463
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language WATER; FORCE; DYNAMICS; CALIBRATION; ADLAYERS; ETHANOL Multiple languages Chemistry, Multidisciplinary; Chemistry, Physical; Materials Science, Multidisciplinary Multiple languages
Refereed:	Yes
URI:	http://kups.ub.uni-koeln.de/id/eprint/15086