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Fig. 25 | Nano Convergence

Fig. 25

From: White light emitting diode based on purely organic fluorescent to modern thermally activated delayed fluorescence (TADF) and perovskite materials

Fig. 25

(Reproduced with permission from Ref. [69] Copyright 2017, ©WILEY–VCH Verlag GmbH & Co. KGaA, Weinheim)

a White perovskite LED energy diagram, b EL spectra of MEH: PPV/perovskite active layer for different weight ratio, c the variation of the CIE color coordinates upon varying the weight ratio [inset: image of a working white PeLED], d the current density–luminance–voltage curve of white PeLEDs

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