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(a) Chemical structure of PTCDI-C4F7. [(b) and (c)] Current-voltage characteristics for the PTCDI-C4F7 TFT prepared at : (b) output characteristics and (c) transfer characteristics . The measurement was conducted under nitrogen atmosphere.
(Color online) AFM topography images of PTCDI-C4F7 thin films deposited onto OTS-treated substrates at various substrate temperatures: (a) , (b) , (c) , and (d) . Scale bar: .
Air-stability measurements of a PTCDI-C4F7 TFT. Top: (solid squares) and relative humidity (open squares). Bottom: (circles) and (triangles). The dotted circle values at initial time correspond to an electrical performance in a nitrogen glove box.
Summary of field-effect mobilities , on/off ratios , and threshold voltages for PTCDI-C4F7 TFTs prepared on OTS-treated substrates at various substrate temperatures .
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