Fig. 5: Spin-LEDs based on chiral CsPbBr3 PQDs with the enhanced ligand exchange strategy. | Nature Communications

Fig. 5: Spin-LEDs based on chiral CsPbBr3 PQDs with the enhanced ligand exchange strategy.

From: Perovskite spin light-emitting diodes with simultaneously high electroluminescence dissymmetry and high external quantum efficiency

Fig. 5: Spin-LEDs based on chiral CsPbBr3 PQDs with the enhanced ligand exchange strategy.The alternative text for this image may have been generated using AI.

a EL, b J-L-V, and c EQE spectra of spin-LEDs based on chiral CsPbBr3 PQDs with R- and S-MBA. Corresponding σ+ and σ− emission spectra of d R-LED and e S-LED. f Wavelength-dependent gEL of R-/S-LEDs. g Summary of gEL and EQE of perovskite spin-LEDs in the literature and this work. h Time-dependent EL intensity of R-LED at an initial luminance of 100 cd m−2. i T50 of R-LEDs at different initial brightness levels.

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