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Details of Grant 

EPSRC Reference: EP/M013812/1
Title: REACTIVE PLASMONICS: OPTICAL CONTROL OF ELECTRONIC PROCESSES AT INTERFACES FOR NANOSCALE PHYSICS, CHEMISTRY AND METROLOGY
Principal Investigator: Zayats, Professor A
Other Investigators:
Green, Professor M Wurtz, Dr GA Sapienza, Dr R
Richards, Professor D Maier, Professor SA Oulton, Dr RFM
Cohen, Professor LF Alford, Professor N Dickson, Dr W
Researcher Co-Investigators:
Project Partners:
Argonne National Laboratory BAE Systems DIAMOND light source Ltd
JX Nippon Oil & Energy Corporation National Physical Laboratory Oclaro Technology UK
Seagate Technology Sharp Laboratories of Europe Ltd WITec
Xenics nv
Department: Physics
Organisation: Kings College London
Scheme: Programme Grants
Starts: 01 September 2015 Ends: 31 August 2021 Value (£): 4,813,001
EPSRC Research Topic Classifications:
Materials Characterisation
EPSRC Industrial Sector Classifications:
Electronics
Related Grants:
Panel History:
Panel DatePanel NameOutcome
21 Oct 2014 Programme Grant Interviews - 21 and 22 October 2014 (Physical Sciences) Announced
Summary on Grant Application Form
The coherent oscillations of mobile charge carriers near the surface of good conductors-surface plasmons- have amazing properties. Light can be coupled to these surface plasmons and trapped by them near the interface between a metal and an adjacent material. This leads to the nanoscale confinement of light, impossible by any other means, and a related electromagnetic field enhancement. The associated effects and applications include high sensitivity to the refractive index of surroundings used in biosensors, enhancement of Raman scattering near the metal surfaces used in chemical sensing and detection, enhanced nonlinear optical effects, localised light sources for imaging, and many others. At the same time the influence of the electrons which participate in the formation of surface plasmons on the surroundings of the metal nanostructures is virtually unexplored. Microscopic electron dynamic effects associated with surface plasmons are capable of significantly influencing physical and chemical processes near the metal surface, not (only) as a result of the high electric fields, but also from the transfer of energetic electrons to the adjacent molecules or materials. We propose to develop a comprehensive research programme in order to understand the physics and harness applications associated with such electronic processes, induced by plasmonic excitations, in designer nanostructures. This will open up new paradigms in ultrafast control over nanoscale chemical reactions switchable with light, optically controlled catalysis, optical and electric processes in semiconductor devices induced by plasmonic hot-electrons, as well as nanoscale and ultrafast temperature control, and many other technologies of tomorrow.
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