| People | Locations | Statistics |
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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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Robinson, Bj
Lancaster University
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (13/13 displayed)
- 2023Determination of electric and thermoelectric properties of molecular junctions by AFM in peak force tapping modecitations
- 2022Thermoelectric properties of organic thin films enhanced by π-π stackingcitations
- 2021Optimised power harvesting by controlling the pressure applied to molecular junctionscitations
- 2020Scale-Up of Room-Temperature Constructive Quantum Interference from Single Molecules to Self-Assembled Molecular-Electronic Filmscitations
- 2020Tuning the thermoelectrical properties of anthracene-based self-assembled monolayerscitations
- 2020Molecular-scale thermoelectricity: As simple as 'ABC'citations
- 2017Correlation of nano-scale electrical and topographical mapping of buried nanoscale semiconductor junctions
- 2017Large-Area 2D-0D Heterostructures via Langmuir-Blodgett Film Deposition
- 2017Characterisation of local thermal properties in nanoscale structures by scanning thermal microscopy
- 2017SPM characterisation of nanomechanical proprieties of C60 monolayer formed by LB
- 2016Towards Robust Electroactive Biomaterials
- 2014Graphitic platform for self-catalysed InAs nanowires growth by molecular beam epitaxycitations
- 2014Nanothermal characterization of amorphous and crystalline phases in chalcogenide thin films with scanning thermal microscopycitations
Places of action
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article
Scale-Up of Room-Temperature Constructive Quantum Interference from Single Molecules to Self-Assembled Molecular-Electronic Films
Abstract
The realization of self-assembled molecular-electronic films, whose room-temperature transport properties are controlled by quantum interference (QI), is an essential step in the scale-up of QI effects from single molecules to parallel arrays of molecules. Recently, the effect of destructive QI (DQI) on the electrical conductance of self-assembled monolayers (SAMs) has been investigated. Here, through a combined experimental and theoretical investigation, we demonstrate chemical control of different forms of constructive QI (CQI) in cross-plane transport through SAMs and assess its influence on cross-plane thermoelectricity in SAMs. It is known that the electrical conductance of single molecules can be controlled in a deterministic manner, by chemically varying their connectivity to external electrodes. Here, by employing synthetic methodologies to vary the connectivity of terminal anchor groups around aromatic anthracene cores, and by forming SAMs of the resulting molecules, we clearly demonstrate that this signature of CQI can be translated into SAM-on-gold molecular films. We show that the conductance of vertical molecular junctions formed from anthracene-based molecules with two different connectivities differ by a factor of approximately 16, in agreement with theoretical predictions for their conductance ratio based on CQI effects within the core. We also demonstrate that for molecules with thioether anchor groups, the Seebeck coefficient of such films is connectivity dependent and with an appropriate choice of connectivity can be boosted by ∼50%. This demonstration of QI and its influence on thermoelectricity in SAMs represents a critical step toward functional ultra-thin-film devices for future thermoelectric and molecular-scale electronics applications