Details of Grant 

EPSRC Reference:	GR/S81650/01
Title:	Electric field redistribution in operational polymer light emitting diodes
Principal Investigator:	De Mello, Professor JC
Other Investigators:
Researcher Co-Investigators:
Project Partners:
Department:	Chemistry
Organisation:	Imperial College London
Scheme:	Standard Research (Pre-FEC)
Starts:	31 January 2004	Ends:	30 July 2005	Value (£):	7,925
EPSRC Research Topic Classifications:	Materials Characterisation
EPSRC Industrial Sector Classifications:	Electronics
Related Grants:
Panel History:
Summary on Grant Application Form
Describe the proposed research using (about 200) words geared to the non-specialist reader.This proposal represents an extension of a recent collaboration between Dr. John de Mello from Imperial College London and Dr. Paul Lane from the Naval Research Laboratory, Washington DC. Drs de Mello and Lane have (separately) performed electroabsorption measurements on operational lightemitting diodes that indicate that the bulk semiconductor is fully screened from the applied field in many devices. The observation has far reaching implications for the understanding and optimisation of polymer light-emitting diodes. In this proposal, the applicants seek funds for Dr. Lane to visit Imperial College London to help establish a novel differential mode electroabsorption facility (developed by Dr. Lane), and to use this facility to investigate in greater detail the nature of the screening phenomenon.
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Organisation Website:	http://www.imperial.ac.uk