In this paper, the practical viability of an organic bulk heterojunction (BHJ)based photodiode is studied, including the analysis of dark current density (J d in A/cm 2 ), external quantum efficiency (EQE in percent), responsivity (R in A/W), noise-equivalent power (in W/Hz 1=2 ), and specific detectivity (Jones in cmHz 1=2 =W). The dark current was minimized down to 90 pA/cm 2 in P3HT : PC 60 BM BHJ photodiodes by increasing the thickness, whereas the EQE maintained high values. The measured noise current was 2:20
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