Fig. 2 | Scientific Reports

Fig. 2

From: Optimising bifacial dye-sensitized solar cells with graphene-enhanced TPT configuration photoanode for operational stability

Fig. 2

J-V curves for DSSCs under back illumination conditions over 10 days. The subfigures illustrate the performance variations of different configurations: (a) TPT, (b) \(\hbox {TP}_{0.05}\)T, (c) \(\hbox {TP}_{0.1}\)T, and (d) \(\hbox {TP}_{0.2}\)T. These curves highlight the impact of graphene doping on cell efficiency from the rear side of the panels, which is essential for understanding performance under less direct light conditions.

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