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Polymer field effect transistors (FETs) exhibit several interesting features upon photo-excitation. We review recent results from our laboratory of these polymer photo-FETs and present spectroscopic evidence to verify proposed mechanisms of charge-carrier generation and transport. We present results, which suggest that charge generation and recombination processes depend on the operating mode of FET...
Organic/polymer field effect transistors (FETs) based on poly(3-alkylthiophenes) (P3ATs) demonstrate substantial changes upon photoexcitation. The photogeneration of charge carriers and carrier transport in these FETs were studied using the transient and modulation techniques, along with the spectral responses. It is observed that the photoinduced charge carrier generation depends on the gate voltage,...
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