Fig. 1 | Nature Communications

Fig. 1

From: Synthetic control over orientational degeneracy of spacer cations enhances solar cell efficiency in two-dimensional perovskites

Fig. 1

2D OIHPs with PEA fluorinated at different positions and their device characterization: a crystal sketch of PEA based 2D OIHP (n = 4); b molecular structures of PEA and its fluorinated derivatives in this study; c current-density-voltage (J-V) curves (forward scan) under 1 sun condition (AM.1.5 G) with a solar simulator; d device performance tracking under constant illumination and at maximum power point

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