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Royal Society of Chemistry, RSC Advances, 123(5), p. 101740-101744, 2015

DOI: 10.1039/c5ra22117j

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Engineering porous and compact two-dimensional nanoarchitectures on surfaces taking advantage of bisterpyridine-derivatives self-assembly

Journal article published in 2015 by Fabien Silly ORCID, Yann Kervella, Bruno Jousselme
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

The self-assembly of two bis-terpyridine derivatives is experimentally investigated at the nanometer scale. Scanning tunneling microscopy (STM) reveals that two-dimensional compact and porous nanoarchitectures can be engineered by changing the length of terpyridine spacer; i.e. a benzene ring or a quaterthiophene (4T) unit. In both cases the molecular nanoarchitecture appears to be stabilized by double hydrogen-bonds between molecular terpyridine groups. The STM images suggest however that terpyridine groups adopt different conformations, s-cis and s-trans as well as s-trans and s-trans conformations, in the two self-assembled organic layers.