Solution-Processed rGO/AgNPs/rGO Sandwich Structure as a Hole Extraction Layer for Polymer Solar Cells

<div>(a)<i> J-V</i> characteristics of the polymer solar cells with CRG and HEL as compared to reference. (b) The schematic band diagram of the polymer solar cells with HEL and CRG.</div>

Journal of Materials

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Figure 4

Figure 4: Solution-Processed rGO/AgNPs/rGO Sandwich Structure as a Hole Extraction Layer for Polymer Solar Cells 