Single-molecule photo-spintronics
Lead Research Organisation:
University of Liverpool
Department Name: Chemistry
Abstract
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Organisations
- University of Liverpool (Lead Research Organisation)
- DURHAM UNIVERSITY (Collaboration)
- University of Western Australia (Collaboration)
- University of Zaragoza (Collaboration)
- University of Georgia (Collaboration)
- Technical University of Denmark (Collaboration)
- University of Bristol (Collaboration)
- Autonomous University of Madrid (Collaboration)
Publications
Herrer L
(2021)
pH control of conductance in a pyrazolyl Langmuir-Blodgett monolayer
in Journal of Materials Chemistry C
Leary E
(2021)
Long-lived charged states of single porphyrin-tape junctions under ambient conditions.
in Nanoscale horizons
Naher M
(2021)
Molecular Structure-(Thermo)electric Property Relationships in Single-Molecule Junctions and Comparisons with Single- and Multiple-Parameter Models.
in Journal of the American Chemical Society
Naghibi S
(2022)
Redox-Addressable Single-Molecule Junctions Incorporating a Persistent Organic Radical.
in Angewandte Chemie (International ed. in English)
Naghibi S
(2022)
Redox-Addressable Single-Molecule Junctions Incorporating a Persistent Organic Radical**
in Angewandte Chemie
Herrer L
(2023)
Sheathed Molecular Junctions for Unambiguous Determination of Charge-Transport Properties
in Advanced Materials Interfaces
Qiao X
(2023)
Single-Molecule Junction Formation in Deep Eutectic Solvents with Highly Effective Gate Coupling.
in The journal of physical chemistry. C, Nanomaterials and interfaces
Zhou P
(2023)
Enhanced charge transport across molecule-nanoparticle-molecule sandwiches
in Physical Chemistry Chemical Physics
Description | Using a scanning tunnelling microscopy (STM) technique we have shown that single molecules attaching and detaching can be detected via the conductance of a metal - molecule - compound semiconductor junction. We have shown how the choice of molecule modifies the rectifying properties of the junction and provide new knowledge concerning charge flow in such junctions at the single molecule level. This fabrication of metal - molecule - compound semiconductor junctions opens a new route to integrating devices, such as sensors, incorporating a small number of molecules and conventional semiconductor technology. We have further shown that metal - few molecule - compound semiconductor junctions generate a photocurrent that depends on both the choice of molecule and the doping density of the semiconductor, and have provided a qualitative explanation of this dependence. The photocurrent shows transient effects, which we explain as due to hole-trapping. We have also shown that molecular junctions with nickel contacts can respond to both electrical and chemical stimuli simultaneously, which is extremely important for sensor applications. |
Exploitation Route | Our work will further the development of new, ultrasensitive and ultracompact sensors. The transient photo-response detected could form the basis of a new local probe of the electronic structure of molecule-semiconductor junctions. |
Sectors | Chemicals,Education,Electronics,Environment,Pharmaceuticals and Medical Biotechnology |
Description | Collaboration with Bristol University |
Organisation | University of Bristol |
Department | School of Social and Community Medicine |
Country | United Kingdom |
Sector | Academic/University |
PI Contribution | Bilateral collaboration with Bristol University on molecular electronics, spintronics and single molecule electronics and measurements and electrochemistry. |
Collaborator Contribution | Bilateral collaboration with Bristol University on molecular electronics, spintronics and single molecule electronics and measurements and electrochemistry. Collaboration with group of Walther Schwarzacher. |
Impact | A series of scientific publications. |
Start Year | 2007 |
Description | Danish Technical University |
Organisation | Technical University of Denmark |
Department | Department of Photonics Engineering |
Country | Denmark |
Sector | Academic/University |
PI Contribution | Collaboration in molecular electronics (theory) with Prof. Ulstrup group. |
Collaborator Contribution | Collaboration in molecular electronics (experiment) |
Impact | Scientific publications, see publication list. |
Description | Univeristy of Georgia, Athens, USA |
Organisation | University of Georgia |
Department | Department of Chemistry |
Country | United States |
Sector | Academic/University |
PI Contribution | Molecular electronics collaboration (synthesis and measurements) |
Collaborator Contribution | Molecular electronics collaboration (measurements) |
Impact | Publications. |
Start Year | 2014 |
Description | Univeristy of Zaragoza |
Organisation | University of Zaragoza |
Department | Department of Chemistry |
Country | Spain |
Sector | Academic/University |
PI Contribution | Bilateral collaboration with Zaragoza University (Spain) on molecular electronics, LB films, single molecule electronics and electrochemistry. |
Collaborator Contribution | Bilateral collaboration with Zaragoza University (Spain) on molecular electronics, LB films, single molecule electronics and electrochemistry. |
Impact | See publications attributed. |
Start Year | 2007 |
Description | University of Durham |
Organisation | Durham University |
Department | Department of Biosciences |
Country | United Kingdom |
Sector | Academic/University |
PI Contribution | Molecular Electronics (synthesis) |
Collaborator Contribution | Molecular Electronics (measurements and characterisation) |
Impact | Scientific publications. |
Start Year | 2006 |
Description | University of Madrid |
Organisation | Autonomous University of Madrid |
Country | Spain |
Sector | Academic/University |
PI Contribution | Collaboration in single molecule electronics |
Collaborator Contribution | Collaboration in single molecule electronics |
Impact | Publications in preparation. |
Start Year | 2015 |
Description | University of Western Australia (UWA) |
Organisation | University of Western Australia |
Country | Australia |
Sector | Academic/University |
PI Contribution | Molecular electronics (synthesis) |
Collaborator Contribution | Molecular electronics (measurements and characterisation) |
Impact | Scientific publications (see list) |
Start Year | 2014 |
Description | Bristol-Liverpool Workshop on Single-Molecule Electron Transport |
Form Of Engagement Activity | Participation in an activity, workshop or similar |
Part Of Official Scheme? | No |
Geographic Reach | National |
Primary Audience | Industry/Business |
Results and Impact | Bristol-Liverpool Workshop on Single-Molecule Electron Transport involving academic and industrial attendees and outreach. |
Year(s) Of Engagement Activity | 2018 |