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Permanent URL to this publication: http://dx.doi.org/10.5167/uzh-3439

Clair, S; Pons, S; Seitsonen, A P; Brune, H; Kern, K; Barth, J V (2004). STM study of terephthalic acid self-assembly on Au(111): Hydrogen-bonded sheets on an inhomogeneous substrate. Journal of Physical Chemistry. B, 108(38):14585-14590.

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Abstract

The adsorption and ordering of the molecule terephthalic acid (TPA), 1,4-benzene-dicarboxylic acid C6H4-(COOH)(2), on the reconstructed Au(111) surface has been studied in situ in ultrahigh vacuum by scanning tunneling microscopy (STM) at room temperature. Two-dimensional (2D) self-assembled supramolecular domains evolve, wherein the well-known one-dimensional (1D) carboxyl H-bond pairing scheme is identified. Since the individual molecules occupy a distinct adsorption site and the supramolecular ordering usually extends over several substrate reconstruction domains, a significant variation in hydrogen bond lengths is encountered, which illustrates the versatility of hydrogen bridges in molecular engineering at surfaces. Ab initio calculations for a 1D H-bonded molecular chain provide insight into the limited geometric response of the molecules in different local environments.

Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Department of Chemistry
DDC:540 Chemistry
Language:English
Date:2004
Deposited On:26 Mar 2009 20:53
Last Modified:05 Jun 2014 13:51
Publisher:American Chemical Society
ISSN:1520-5207
Publisher DOI:10.1021/jp049501n
Citations:Web of Science®. Times Cited: 84
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Scopus®. Citation Count: 79

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