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Two-dimensional self-assembly of benzotriazole on an inert substrate

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Gotze_2016_Nano_2DSelf_CCBY_FinalPublishedVersion.pdf (2.231Mb)
Date
07/05/2016
Author
Grillo, Federico
Garrido Torres, Jose Antonio
Treanor, Michael John
Larrea, Christian Rodriguez
Goetze, Jan Philipp
Lacovig, Paolo
Fruchtl, Herbert Anton
Schaub, Renald
Richardson, Neville V
Funder
EPSRC
EPSRC
Grant ID
EP/J018139/1
EP/J018139/1
Keywords
QD Chemistry
DAS
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Abstract
The ultra-high vacuum (UHV) room temperature adsorption of benzotriazole (BTAH), a well-known corrosion inhibitor for copper, has been investigated on the pristine Au(111) surface using a combination of surface sensitive techniques. The dimensionality of the molecule is reduced from the 3D crystal structure to a 2-dimensional surface confinement, which induces the formation of hydrogen bonded, 1-dimensional molecular chains consisting of alternating pro-S and pro-R enantiomers mainly. The 0-dimensional system is characteristic of gas-phase BTAH, which undergoes a tautomeric equilibrium, with consequences for the resulting adsorbed species. The balance between hydrogen bonding, inter-chain van der Waals interactions and surface-molecule interactions, and the correlation with the dimensionality of the system, are discussed in the light of the experimental results and a computational description of the observed features.
Citation
Grillo , F , Garrido Torres , J A , Treanor , M J , Larrea , C R , Goetze , J P , Lacovig , P , Fruchtl , H A , Schaub , R & Richardson , N V 2016 , ' Two-dimensional self-assembly of benzotriazole on an inert substrate ' , Nanoscale , vol. 8 , no. 17 , pp. 9167-9177 . https://doi.org/10.1039/C6NR00821F
Publication
Nanoscale
Status
Peer reviewed
DOI
https://doi.org/10.1039/C6NR00821F
ISSN
2040-3364
Type
Journal article
Rights
Copyright 2016 the Authors. This article is licensed under a Creative Commons Attribution 3.0 Unported Licence (http://creativecommons.org/licenses/by/3.0/).
Description
FG has received funding from the European Community’s Seventh Framework Programme (FP7/2007-2013) under grant agreement nº 312284 for part of the research leading to these results (NEXAFS, XPS). The Engineering and Physical Sciences Research Council (EPSRC) is acknowledged for the funding of PhD studentships (JAGT and MJT – EP/J500549/1 and CRL – EP/M506631/1). JPG acknowledges funding from the EPSRC (EP/J018139/1).
Collections
  • University of St Andrews Research
URI
http://hdl.handle.net/10023/8762

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