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Fig. 4 | Nanoscale Research Letters

Fig. 4

From: Efficiency Enhancement Mechanism for Poly(3, 4-ethylenedioxythiophene):Poly(styrenesulfonate)/Silicon Nanowires Hybrid Solar Cells Using Alkali Treatment

Fig. 4

Schematic of photogenerated carriers transporting for a alkali-treated SiNWs device, b SiNWs device, and c Si planar device. d Nyquist plots of PEDOT:PSS/SiNWs and alkali treated-PEDOT:PSS/SiNWs solar cells at applied bias (0.4 V) under dark conditions; the inset is the equivalent circuit employed to fit the IS data. In all plots: solid lines fit to the model in the inset and the dashed line actual data points. e Photocurrent density versus effective voltage (J ph-V eff) characteristics of devices with alkali-treated and without alkali-treated devices

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