Oligothiophene-based networks applied for field-effect transistors
2003
A new type of semiconducting material based on polymerizable oligothiophenes (see Figure) has been prepared. In field-effect transistors, a charge-carrier mobility of 10-3 cm2 V-1 s-1 is observed prior to polymerization. Photopolymerization to a polymer network provides mechanical stability and allows direct photopatterning of the semiconductor. These materials also appear more stable to oxidative doping than polythiophenes.
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