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Details of Grant 

EPSRC Reference: GR/L83943/01
Title: GATED PICOSECOND RESONANCE RAMAN SPECTROSCOPY OF TWISTED INTRAMOLECULAR CHARGE TRANSFER (TICT) STATE
Principal Investigator: Matousek, Professor P
Other Investigators:
Parker, Professor AW Towrie, Professor M gould, Dr IR
Researcher Co-Investigators:
Project Partners:
Department: Central Laser Facility (CLF)
Organisation: STFC Laboratories (Grouped)
Scheme: Standard Research (Pre-FEC)
Starts: 23 October 1998 Ends: 22 April 2000 Value (£): 9,999
EPSRC Research Topic Classifications:
Gas & Solution Phase Reactions
EPSRC Industrial Sector Classifications:
No relevance to Underpinning Sectors
Related Grants:
Panel History:  
Summary on Grant Application Form
Electron transfer reactions are ubiquitous in Nature and an understanding of the role that structure plays in defining the dynamics of this fundamental process is paramount to answering the questions currently being asked in this field of research. TICT states by their very nature hold enormous potential in developing our understanding of this process. We wish to apply ps-TR3 spectroscopy in combination with ab initio calculations to determine the structure of these compounds. Presently, the TICT state geometry is unknown and subject to speculations - various groups holding inconsistent views. Previous attempts to detect the ps-TR3 spectrum of DMABN TICT state have failed owing to presence of fluorescence. We wish to overcome this problem by developing a novel technique for the rejection of fluorescence from ps-TR3 spectra based on fast optical gating (1-2ps). The system for the rejection of fluorescence from ps-TR3 spectra using a Kerr gate would be the first of its kind and its incorporation into the existing OPA TR3 system at CLF would provide the UK solution-phase spectroscopy community with a world-wide unique facility for the study of short lived intermediates. The cost effectiveness of this development is ensured by using existing lasers at the CLF.
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