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Specific detection of interactions between uncharged surfaces in different solvents: high-resolution imaging by chemical force microscopy

Title data

Papastavrou, Georg ; Akari, S.:
Specific detection of interactions between uncharged surfaces in different solvents: high-resolution imaging by chemical force microscopy.
In: Nanotechnology. Vol. 10 (1999) Issue 4 . - pp. 453-457.
ISSN 1361-6528
DOI: https://doi.org/10.1088/0957-4484/10/4/316

Official URL: Volltext

Abstract in another language

The detection of hydroxyl-groups by chemical force microscopy is investigated in two contrasting solvents: water and hexadecane. Gold-coated cantilevers were chemically modified in a defined way by self-assembly monolayers (SAMs) formed by mercapto-undecanol. The samples employed consisted of ultraflat gold surfaces terminated by hydroxyl- and methyl-groups. Both surface terminations were present on the sample surface in a well-defined pattern obtained by micro-contact printing (mu CP). High-resolution lateral force microscopy (LFM) was conducted in both solvents. These LFM measurements were complemented by measurements of the adhesion forces on the same substrates. In contrast to water, the empolyment of hexadecane, it enables specific detection of hydroxyl-groups and clear interpretation of the friction contrast.

Further data

Item Type: Article in a journal
Refereed: Yes
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Physical Chemistry II
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Former Professors > Chair Physical Chemistry II - Univ.-Prof. Dr. Andreas Fery
Faculties
Faculties > Faculty of Biology, Chemistry and Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Physical Chemistry II
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Former Professors
Result of work at the UBT: No
DDC Subjects: 500 Science > 540 Chemistry
Date Deposited: 13 Sep 2017 09:41
Last Modified: 13 Sep 2017 09:41
URI: https://eref.uni-bayreuth.de/id/eprint/39598