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Reference Number	GR/S62628/01
Title	Efficient photovoltaic materials
Status	Completed
Energy Categories	RENEWABLE ENERGY SOURCES(Solar Energy, Photovoltaics) 100%;
Research Types	Basic and strategic applied research 100%
Science and Technology Fields	PHYSICAL SCIENCES AND MATHEMATICS (Physics) 100%
UKERC Cross Cutting Characterisation	Not Cross-cutting 100%
Principal Investigator	Professor I Samuel No email address given Physics and Astronomy University of St Andrews
Award Type	Standard
Funding Source	EPSRC
Start Date	01 May 2004
End Date	30 April 2006
Duration	24 months
Total Grant Value	£121,870
Industrial Sectors	Electronics; Energy
Region	Scotland
Programme	Information & Communication Technology
Investigators	Principal Investigator	Professor I Samuel , Physics and Astronomy, University of St Andrews (100.000%)
Web Site
Objectives
Abstract	This project aims to develop improved photovoltaic materials. Instead of using materials optimised for electroluminescence, it will focus on conjugated polymers prepared by precursor routes. This approach gives denser films which therefore have stronger absorption and better charge transporting properties. We will use a combination the expertise of the applicants in polymer synthesis, materials characterisation, photophysical and device studies to develop an understanding of materials and device operation which will guide the development of improved materials. Promising materials will be studied in a range of device structures including nanocomposite devices consisting of the polymer impregnated into porous titanium dioxide. This is analogous to the well-known Gratzel cell, but with the crucial advantage of being an all solid state device. The use of non-conjugated precursor polymers is expected to make impregnation of the titanium dioxide more effective than for conventional soluble conjugated polymers. Finally, as triplets can diffuse much further than singlets, we will explore whether phosphorescent polymers can give improved photovoltaic performance
Publications	(none)
Final Report	(none)
Added to Database	01/01/07