Impact of the primary structure of organic semiconductors on amorphous topology and crystal morphology

The amorphous topology and crystal morphology are are believed to be critical parameters for semicrystalline organic semiconductor device performance. Amorphous topology describes the level and type of chain connectivity between crystallites. Crystal morphology describes the size, shape, and connectivity of crystals. In this presentation, we show how much of the above can be influenced and quantified through the primary structure of the organic semiconductors, i.e., molar mass, molar mass distribution, and comonomers/defects.