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Details of Grant 

EPSRC Reference: GR/N25039/01
Title: NOVEL POLYYNE LIGANDS FOR USE IN THE CONSTRUCTION OF MOLECULAR WIRES AND SWITCHES
Principal Investigator: Low, Professor P
Other Investigators:
Researcher Co-Investigators:
Project Partners:
Department: Chemistry
Organisation: Durham, University of
Scheme: Standard Research (Pre-FEC)
Starts: 01 October 2000 Ends: 30 September 2003 Value (£): 60,820
EPSRC Research Topic Classifications:
Chemical Synthetic Methodology
EPSRC Industrial Sector Classifications:
Chemicals Electronics
No relevance to Underpinning Sectors
Related Grants:
Panel History:  
Summary on Grant Application Form
The proposed project seeks to develop an understanding of the electronic interactions that may occur between multiple metal centres via ene(poly)yne ligands, including tetraethynlethylene, and ethynyl substituted metal cluster cores. These systems may prove to be better suited to the task of permitting electronic interations to be mediated between more than two remote sites than conventional linkages such as 1,3,5-substituted benzenes. In the case of tri and tetra substituted derivatives, the influence of a controlled change in the nature of one site, such as the redox state of a metal-based substitutant, on the interactions occurring between the others will be investigated. Initially, the synthesis of a number of compounds featuring two probe groups will be undertaken, and the interactions between these sites assessed through a combination of cyclic voltammetry, UV/Vis/NIR and IR spectroelectrochemistry, solid state structure determinations and computational methods. Following the synthesis of tr- and tetra-substituted derivatives studies relating to the construction of redox-based molecular switches may be undertaken.
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