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Issue 23, 2017
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13-cis-Retinoic acid on coinage metals: hierarchical self-assembly and spin generation

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Abstract

Hierarchical self-assembly of 13-cis-retinoic acid on Au(111) and Ag(111) was investigated using low-temperature scanning tunnelling microscopy. On both surfaces, molecules form dimers by hydrogen bonds and the dimers arrange into ordered two-dimensional arrays through van der Waals forces. Three packing modes are observed on Au(111) and only one on Ag(111). We tentatively attribute the different patterns on the two surfaces to a stronger molecule–substrate interaction on Ag(111) and site-dependent molecular adsorption on different atomic lattices. In addition, 13-cis-ReA on Au(111) can be made to carry a localized spin.

Graphical abstract: 13-cis-Retinoic acid on coinage metals: hierarchical self-assembly and spin generation

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Publication details

The article was received on 11 Mar 2017, accepted on 19 May 2017 and first published on 22 May 2017


Article type: Communication
DOI: 10.1039/C7CP01568B
Citation: Phys. Chem. Chem. Phys., 2017,19, 14919-14923

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    13-cis-Retinoic acid on coinage metals: hierarchical self-assembly and spin generation

    X. Zhang, N. Li, Y. Zhang, R. Berndt and Y. Wang, Phys. Chem. Chem. Phys., 2017, 19, 14919
    DOI: 10.1039/C7CP01568B

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