| EPSRC Reference: |
GR/R07684/01 |
| Title: |
Scanning Tunnelling Spectroscopy of Nanoscale Structures |
| Principal Investigator: |
Nichols, Professor RJ |
| Other Investigators: |
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| Researcher Co-Investigators: |
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| Project Partners: |
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| Department: |
Chemistry |
| Organisation: |
University of Liverpool |
| Scheme: |
Standard Research (Pre-FEC) |
| Starts: |
01 June 2001 |
Ends: |
31 October 2004 |
Value (£): |
201,080
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| EPSRC Research Topic Classifications: |
| Materials Characterisation |
Materials Synthesis & Growth |
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Summary on Grant Application Form |
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There is currently a very high level of interest in synthesising nano-scale structures using chemical methods. We propose to synthesise nano-scale junctions in which redox active molecules (bipyridinium, ferrocene, anthraquinone, metalloporphyrin) are positioned between a good substrate and a nano-particle. The redox active molecule can be used to control the tunnelling properties of this junction. Electron tunnelling through the device will be monitored with a STM tip positioned above the nano-particle. The mechanism of tunnelling and its dependence on electrode potential, the redox chemistry, separation of the redox moiety from the contacts and nano-particle size will be investigated using scanning tunnelling spectroscopy (STS). The technique of in-situ STS using a bipotentiostat and extremely well isolated STM tips will be developed. Such a technique will enable independent potential control of the tip and substrate during STS measurements.
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Key Findings |
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This information can now be found on Gateway to Research (GtR) http://gtr.rcuk.ac.uk
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Potential use in non-academic contexts |
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This information can now be found on Gateway to Research (GtR) http://gtr.rcuk.ac.uk
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Impacts |
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| Description |
This information can now be found on Gateway to Research (GtR) http://gtr.rcuk.ac.uk |
| Summary |
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| Date Materialised |
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Sectors submitted by the Researcher |
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This information can now be found on Gateway to Research (GtR) http://gtr.rcuk.ac.uk
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| Project URL: |
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| Further Information: |
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| Organisation Website: |
http://www.liv.ac.uk |