N. Zhao, Y.-Y. Noh, J.-F. Chang, M. Heeney, I. McCulloch and H. Sirringhaus Polaron Localization at Interfaces in High-Mobility Microcrystalline Conjugated Polymers Advanced Materials 21
The charge-induced optical absorptions of two-dimensional polarons in semicrystalline, high-mobility conjugated polymers are investigated as a function of distance from an interface with polymer gate dielectrics of different dielectric constants. For high-k dielectrics, polarons in the accumulation layer at the interface are found to be more localized than those in the bulk.
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