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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Buck, Manfred
University of St Andrews
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (16/16 displayed)
- 2022Coordination-controlled electrodeposition of palladium/copper thin films onto a pyridine-terminated self-assembled monolayer
- 2021Porous Honeycomb Self-Assembled Monolayerscitations
- 2021Porous honeycomb self-assembled monolayers:tripodal adsorption and hidden chirality of carboxylate anchored triptycenes on Agcitations
- 2021Porous honeycomb self-assembled monolayers : tripodal adsorption and hidden chirality of carboxylate anchored triptycenes on Agcitations
- 2020Coordination controlled electrodeposition and patterning of layers of palladium/copper nanoparticles on top of a self-assembled monolayercitations
- 2019Coordination controlled electrodeposition and patterning of layers of palladium/copper nanoparticles on top of a self-assembled monolayercitations
- 2012Redox mediation enabled by immobilised centres in the pores of a metal-organic framework grown by liquid phase epitaxycitations
- 2011Electrodeposition of Palladium onto a Pyridine-Terminated Self-Assembled Monolayercitations
- 2010Organic Mono layers, Networks, Electrochemistry: A Toolbox for the Nanoscale
- 2009Self-Assembly of a Pyridine-Terminated Thiol Monolayer on Au(111)citations
- 2008On the role of extrinsic and intrinsic defects in the underpotential deposition of Cu on thiol-modified Au(111) electrodescitations
- 2007Influence of molecular structure on phase transitions: A study of self-assembled monolayers of 2-(aryl)-ethane thiolscitations
- 2005Replicative generation of metal microstructures by template-directed electrometallizationcitations
- 2003Pronounced Odd-Even Changes in the Molecular Arrangement and Packing Density of Biphenyl-Based Thiol SAMs: A Combined STM and LEED Studycitations
- 2002Optical properties of a light-emitting polymer directly patterned by soft lithographycitations
- 2000Solvation of oligo(ethylene glycol)-terminated self-assembled monolayers studied by vibrational sum frequency spectroscopycitations
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article
Porous Honeycomb Self-Assembled Monolayers
Abstract
<p>Molecules with tripodal anchoring to substrates represent a versatile platform for the fabrication of robust self-assembled monolayers (SAMs), complementing the conventional monopodal approach. In this context, we studied the adsorption of 1,8,13-tricarboxytriptycene (Trip-CA) on Ag(111), mimicked by a bilayer of silver atoms underpotentially deposited on Au. While tripodal SAMs frequently suffer from poor structural quality and inhomogeneous bonding configurations, the triptycene scaffold featuring three carboxylic acid anchoring groups yields highly crystalline SAM structures. A pronounced polymorphism is observed, with the formation of distinctly different structures depending on preparation conditions. Besides hexagonal molecular arrangements, the occurrence of a honeycomb structure is particularly intriguing as such an open structure is unusual for SAMs consisting of upright-standing molecules. Advanced spectroscopic tools reveal an equivalent bonding of all carboxylic acid anchoring groups. Notably, density functional theory calculations predict a chiral arrangement of the molecules in the honeycomb network, which, surprisingly, is not apparent in experimental scanning tunneling microscopy (STM) images. This seeming discrepancy between theory and experiment can be resolved by considering the details of the actual electronic structure of the adsorbate layer. The presented results represent an exemplary showcase for the intricacy of interpreting STM images of complex molecular films. They are also further evidence for the potential of triptycenes as basic building blocks for generating well-defined layers with unusual structural motifs. </p>