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Transport in polycrystalline polymer TFTs

 

We describe a transport model for ordered polymer semiconductors that considers the physical and electronic structure, including the effects of hole delocalization in ordered lamella, grain boundary structures, a two-dimensional density of states, and percolation effects related to transport dimensionality. Simple model calculations are compared to experiments on regioregular polythiophene.

 
citation

Street, R. A. ; Northrup, J. E. ; Salleo, A. Transport in polycrystalline polymer TFTs. Physical Review B. 2005 April 15; 71 (16): 165202.