Abstract
The possibility of increasing the photosensitivity of organic heterostructures by using the bilayer transparent ITO electrodes with organic conducting polymer polyaniline, poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) complex (PEDOT:PSS) and CuI has been verified experimentally. Photosensitive n-type organic semiconductor N,N′-dimethyl-3,4,9,10-perylenetetracarboxylic acid diimide (МРР) and p-type pentacene were chosen as components of these heterostructures. Usage of ITO/PEDOT:PSS bilayer electrodes leads to increasing the photovoltaic sensitivity of these heterostructures by 2–3 orders and by 1–2 orders when using CuI due to decreasing the recombination of excitons and increasing the potential barrier heights on the interface between the organic semiconductor and layers of PEDOT:PSS and CuI.
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