Title :
Polymer-fullerene photovoltaics with concentration gradients induced by thermally-controlled interdiffusion
Author :
Heflin, J.R. ; Drees, M. ; Gopal, A. ; Davis, R.M.
Author_Institution :
Dept. of Phys., Virginia Tech., Blacksburg, VA, USA
Abstract :
The morphology of organic photovoltaic composites containing a semiconducting polymer and fullerene is controlled by thermally-inducing interdiffusion in an initial bilayer structure. The resultant concentration gradient structure yields efficient charge transfer and charge transport.
Keywords :
charge exchange; chemical interdiffusion; fullerenes; optical polymers; organic semiconductors; charge transfer; charge transport; concentration gradients; fullerene; organic photovoltaic composites; semiconducting polymer; thermally-controlled interdiffusion;
Conference_Titel :
Lasers and Electro-Optics, 2004. (CLEO). Conference on
Conference_Location :
San Francisco, CA
Print_ISBN :
1-55752-777-6
