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Doping is one of the most fundamental building blocks for semiconductor processing, and enables adaptation to both charge concentration and electrical conductivity. Despite attempts to investigate various doping and de-doping methods for organic semiconductors over many years, their use has been limited to date. Here, we present a method to precisely control the degree of doping in dopant-implanted...
Hall effect and slightly negative temperature dependence of the mobility in polymeric transistors are demonstrated. The semiconductor channel is based on a polycyclopentadithiophene‐benzothiadiazole (CDT‐BTZ) donor‐acceptor copolymer film whose chain direction is oriented by mechanical compression at the surface of an ionic liquid. The mobility is 5.6 cm2 V−1 s−1 at room temperature, and is further...
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