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. 2018 Jan 31;5(4):1700811. doi: 10.1002/advs.201700811

Figure 4.

Figure 4

Photoluminescence decay kinetics of lead halide perovskite (FA0.83Cs0.17Pb(I0.8Br0.2)3) films deposited on glass substrates comprising V1050, V1061, and Spiro‐OMeTAD hole transporting layers. Photoluminescence lifetimes were monitored at the emission maximum at 770 nm upon excitation at 470 nm.