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Faculty for Biology, Chemistry, and Earth Sciences

Macromolecular Chemistry I:

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Hüttner, S.; Sommer, M.; Steiner, U.; Thelakkat, M.: Organic Field Effect Transistors from Triarylamine Side-chain Polymers, Applied Physics Letters, 96, 073503 (2010) -- DOI: 10.1063/1.3300464
We present a comparative study of organic field effect transistors (OFET) based on amorphous side-chain p-type polymers obtained from controlled radical polymerization. The side-chain moieties consist of different triarylamines such as triphenylamine, dimethoxytriphenylamine, and dimethoxytriphenyldiamine (DMTPD). The DMTPD-based polymer shows the highest OFET performance with mobilities of 10−4 cm2/V s. Furthermore, we show that the electrical properties are independent of the molecular weight due to the all-amorphous character of these side-chain polymers.
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