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. 2023 Jan 22;10(7):2203889. doi: 10.1002/advs.202203889

Figure 35.

Figure 35

a) Perovskite spectrum, EQE and energy conversion efficiency versus current density. Reproduced with permission.[ 267 ] Copyright 2016, Nature Publishing Group. b) Unit cell structure and EL spectrum of perovskite with different <n> values. Reproduced with permission. Reproduced with permission.[ 268 ] Copyright 2016, Nature Publishing Group. c) Time‐resolved PL spectra for BAI:MAPbI3 (20:100) and BABr:MAPbBr3 (20:100), PL/EL spectra and EQE of BAI:MAPbI3 and BABr:MAPbBr3 with different molar ratios. Reproduced with permission.[ 269 ] Copyright 2017, Nature Publishing Group. d) PeLED current density and EQE. Reproduced with permission.[ 270 ] Copyright 2020, Nature Publishing Group. e) Fs‐transient absorption spectrum of PEA2SnI4 and TEA2SnI4 films excited at 400 nm, and the EQE characteristics of PeLED devices. Reproduced with permission.[ 139 ] Copyright 2020, American Chemical Society.