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(a) Cartoon of the device and transport measurement setup. (b) Resistivity of the film vs weight percentage of MWNT in the polymer matrix. (c) Representative photocurrent as a function of time for 1.5% film under IR illumination at positions A, B, and C .
(a) Current-voltage characteristics of a 0.5 wt % MWNT composite film illuminated at positions A, C, and in the dark. Inset: zoomed in view around the origin. (b) Full range current-voltage characteristics in the dark and when illuminated at B.
Current as a function of time for 1.5% film when (i) illuminated at position A and (ii) with a bias voltage spike in dark at , left on at 1.2 mV for 10 s, and then reduced to 1.0 mV at . The fit is shown as the dashed line, which gives a time constant of 1.2 s.
Dark current, light current, photoresponse, and EQE for MWNT/P3HT-b-PS nanocomposite films at position A.
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