Mixed self-assembled monolayers of alkanethiolates on ultrasmooth gold do not exhibit contact-angle hysteresis

Pooja Gupta; Abraham Ulman; Stephanie Fanfan; Alexander Korniakov; Katja Loos

doi:10.1021/ja044623e

Mixed self-assembled monolayers of alkanethiolates on ultrasmooth gold do not exhibit contact-angle hysteresis

Pooja Gupta
, Abraham Ulman
, Stephanie Fanfan
, Alexander Korniakov
, Katja Loos

Department of Chemistry

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

85 Scopus citations

Abstract

We present the first study of mixed alkanethiolate SAMs on ultrasmooth gold surfaces. By eliminating surface roughness, it became possible, for the first time, to investigate wetting properties as a function of surface chemical composition. In three different surface compositions, it was found that contact-angle hysteresis apparently vanished. This suggests that surface chemical heterogeneity does not contribute to contact-angle hysteresis in mixed SAMs on ultrasmooth gold surfaces.

Original language	English
Pages (from-to)	4-5
Number of pages	2
Journal	Journal of the American Chemical Society
Volume	127
Issue number	1
DOIs	https://doi.org/10.1021/ja044623e
State	Published - 12 Jan 2005

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10.1021/ja044623e

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abstract = "We present the first study of mixed alkanethiolate SAMs on ultrasmooth gold surfaces. By eliminating surface roughness, it became possible, for the first time, to investigate wetting properties as a function of surface chemical composition. In three different surface compositions, it was found that contact-angle hysteresis apparently vanished. This suggests that surface chemical heterogeneity does not contribute to contact-angle hysteresis in mixed SAMs on ultrasmooth gold surfaces.",

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AU - Korniakov, Alexander

AU - Loos, Katja

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AB - We present the first study of mixed alkanethiolate SAMs on ultrasmooth gold surfaces. By eliminating surface roughness, it became possible, for the first time, to investigate wetting properties as a function of surface chemical composition. In three different surface compositions, it was found that contact-angle hysteresis apparently vanished. This suggests that surface chemical heterogeneity does not contribute to contact-angle hysteresis in mixed SAMs on ultrasmooth gold surfaces.

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Mixed self-assembled monolayers of alkanethiolates on ultrasmooth gold do not exhibit contact-angle hysteresis

Abstract

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