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Nano Convergence
Fig. 8 | Nano Convergence

Fig. 8

From: Lead-free perovskite solar cells using Sb and Bi-based A3B2X9 and A3BX6 crystals with normal and inverse cell structures

Fig. 8

Photo I–V curves of lead-free A3BX6-crystal solar cells measured under simulated irradiation (AM 1.5, 100 mW cm−2) as normal mesoscopic and inverted architectures respectively. The photoabsorption layers are Ag3BiI6 (a, b), Ag3BiI3(SCN)3 (c, d), and Cu3BiI6 (e, f) crystal films, and IPCE spectrum of the mesoscopic structure with the Ag3BiI6 layer (g). The photovoltaic characteristics were summarized in Table 14

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