DelRio, F.
, Jaye, C.
, Fischer, D.
and Cook, R.
(2009),
Elastic and adhesive properties of alkanethiol self-assembled monolayers on gold, Applied Physics Letters, [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=901545
(Accessed September 19, 2024)
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Elastic and adhesive properties of alkanethiol self-assembled monolayers on gold
Published
Author(s)
, Cherno Jaye, ,
Abstract
Elastic and adhesive properties of alkanethiol (CH3(CH2)n 1SH) self-assembled monolayers on gold are investigated by atomic force microscopy and correlated with surface structure via near edge x-ray absorption fine structure spectroscopy. As the chain length n decreases from 18 to 5, the elastic modulus of the monolayer film, Ef, decreases from 1.0 GPa to 0.15 GPa and the work of adhesion, w, increases from 82.8 mJ m−2 to 168.3 mJ m−2. The Ef and w trends are interpreted in terms of the dichroic ratios, RI, which reveal distinct changes in chain orientation, order, and coverage over the range of n.Citation
Applied Physics Letters
Volume
94
Issue
13
Pub Type
Journals
Download Paper
Keywords
atomic force microscopy, mechanical properties, self-assembled monolayers
Citation
Issues
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Created March 30, 2009, Updated February 19, 2017