Surface Stress in the Self-Assembly of Alkanethiols on Gold-Reference-Cited by-同舟云学术

Surface Stress in the Self-Assembly of Alkanethiols on Gold

Published:1997-06-27 Issue:5321 Volume:276 Page:2021-2024
ISSN:0036-8075
Container-title:Science
language:en
Short-container-title:Science

Author:

Berger Rüdiger¹²³,Delamarche Emmanuel¹²³,Lang Hans Peter¹²³,Gerber Christoph¹²³,Gimzewski James K.¹²³,Meyer Ernst¹²³,Güntherodt Hans-Joachim¹²³

Affiliation:

1. R. Berger and H. P. Lang, IBM Research Division, Zürich Research Laboratory, CH-8803 Rüschlikon, Switzerland, and Institute of Physics, University of Basel, CH-4056 Basel, Switzerland.

2. E. Delamarche, Ch. Gerber, J. K. Gimzewski, IBM Research Division, Zürich Research Laboratory, CH-8803 Rüschlikon, Switzerland.

3. E. Meyer and H.-J. Güntherodt, Institute of Physics, University of Basel, CH-4056 Basel, Switzerland.

Abstract

Surface stress changes and kinetics were measured in situ during the self-assembly of alkanethiols on gold by means of a micromechanical sensor. Self-assembly caused compressive surface stress that closely followed Langmuir-type adsorption kinetics up to monolayer coverage. The surface stress at monolayer coverage increased linearly with the length of the alkyl chain of the molecule. These observations were interpreted in terms of differences in surface potential. This highly sensitive sensor technique has a broad range of applicability to specific chemical and biological interactions.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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