Fig. 3: Photovoltaic performance of Sn–Pb mixed PSCs.
From: High performance flexible Sn-Pb mixed perovskite solar cells enabled by a crosslinking additive
a Device structure of the Sn–Pb mixed PSCs. J–V curves of the Sn–Pb mixed PSCs on (b) rigid and (c) flexible substrates, the inset of (c) shows the picture of a flexible PSC. d Bending tests of flexible PSCs with a bending radius of 5 mm.
