Role of fluorine interactions in the self-assembly of a functionalized anthradithiophene monolayer on Au(111)

Shawn M. Huston; Jiuyang Wang; Marsha A. Loth; John E. Anthony; Brad R. Conrad; Daniel B. Dougherty

doi:10.1021/jp307539q

Role of fluorine interactions in the self-assembly of a functionalized anthradithiophene monolayer on Au(111)

Shawn M. Huston, Jiuyang Wang, Marsha A. Loth, John E. Anthony, Brad R. Conrad, Daniel B. Dougherty

Research output: Contribution to journal › Article › peer-review

11 Scopus citations

Abstract

Scanning tunneling microscopy studies of the first monolayer of 2,8-difluoro-5,11-(bis)triethylsilylethynyl anthradithiophene on Au(111) reveal two ordered structures with anthradithiophene planes parallel to the substrate. Submolecular resolution STM images demonstrate structures with a close approach of fluorine-sulfur and fluorine-fluorine atoms in the ordered structures. This provides evidence for the importance of noncovalent F-S and F-F in driving 2D self-assembly in the monolayer. Spectroscopic studies indicate a transport gap of 2.4 eV that is insensitive to the local domain structures, as expected for weak intermolecular interactions.

Original language	English
Pages (from-to)	21465-21471
Number of pages	7
Journal	Journal of Physical Chemistry C
Volume	116
Issue number	40
DOIs	https://doi.org/10.1021/jp307539q
State	Published - Oct 11 2012

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
General Energy
Physical and Theoretical Chemistry
Surfaces, Coatings and Films

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title = "Role of fluorine interactions in the self-assembly of a functionalized anthradithiophene monolayer on Au(111)",

abstract = "Scanning tunneling microscopy studies of the first monolayer of 2,8-difluoro-5,11-(bis)triethylsilylethynyl anthradithiophene on Au(111) reveal two ordered structures with anthradithiophene planes parallel to the substrate. Submolecular resolution STM images demonstrate structures with a close approach of fluorine-sulfur and fluorine-fluorine atoms in the ordered structures. This provides evidence for the importance of noncovalent F-S and F-F in driving 2D self-assembly in the monolayer. Spectroscopic studies indicate a transport gap of 2.4 eV that is insensitive to the local domain structures, as expected for weak intermolecular interactions.",

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AU - Huston, Shawn M.

AU - Wang, Jiuyang

AU - Loth, Marsha A.

AU - Anthony, John E.

AU - Conrad, Brad R.

AU - Dougherty, Daniel B.

PY - 2012/10/11

Y1 - 2012/10/11

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AB - Scanning tunneling microscopy studies of the first monolayer of 2,8-difluoro-5,11-(bis)triethylsilylethynyl anthradithiophene on Au(111) reveal two ordered structures with anthradithiophene planes parallel to the substrate. Submolecular resolution STM images demonstrate structures with a close approach of fluorine-sulfur and fluorine-fluorine atoms in the ordered structures. This provides evidence for the importance of noncovalent F-S and F-F in driving 2D self-assembly in the monolayer. Spectroscopic studies indicate a transport gap of 2.4 eV that is insensitive to the local domain structures, as expected for weak intermolecular interactions.

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Role of fluorine interactions in the self-assembly of a functionalized anthradithiophene monolayer on Au(111)

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