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Theoretical studies on force titration of amino-group-terminated self-assembled monolayers

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Theoretical studies on force titration of amino-group-terminated self-assembled monolayers

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Title: Theoretical studies on force titration of amino-group-terminated self-assembled monolayers
Author: Wang, Junmei; Zhang, Hua; He, Hui-Xin; Hou, Tingjun; Liu, Zhong-Fan; Xu, Xiaojie
Copyright year: 1998
Abstract: The structures of (3-aminopropyl)triethoxysilane (APTES), 4-aminothiophenol (4-ATP) and 4-mercaptopyridine (4-MP) self-assembled monolayers (SAMs) are studied by quantum mechanics in order to explain the force titration curves of these amino-group-terminated SAMs. The surface charges and electrostatic surface potentials derived from the ab initio calculations can give satisfactory explanations for the experimental results. We also propose a simple model to simulate the force titration process. The force between the tip and sample can be estimated according to the slope coef®cient of the curve of energy versus distance. This curve can lead to a better understanding of the force titration curves of amino-group-terminated SAMs.
Subject: DRNTU::Science::Biological sciences::Biochemistry.
Type: Journal Article
Series/ Journal Title: Journal of molecular structure : THEOCHEM
School: School of Materials Science and Engineering
Rights: © 1998 Elsevier Science B.V. This is the author created version of a work that has been peer reviewed and accepted for publication by Journal of Molecular Structure: THEOCHEM , Elsevier. It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document. The published version is available at: [http://dx.doi.org/10.1016/S0166-1280(98)00081-5].
Version: Accepted version

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