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Pentacene and N,N′-ditridecylperylene-3,4,9,10-tetracarboxylic diimide (PTCDI-C13H27) have been used as organic semiconductors for the fabrication of p-type and n-type organic thin-film transistors (OTFTs). Both types of semiconductors are well-established and demonstrate good performance in single devices, but few competitive results have been reported in complementary circuits. In this manuscript,...
In this work the density-of-states in the gap of pentacene is calculated from the electrical characteristics of thin-film transistors measured at different temperatures. The density-of-states after a thermal annealing in vacuum (110°C for 1h) was clearly different from the as deposited state. A deep level located 0.49eV above the valence band edge completely disappeared after the annealing. This level...
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