Fig. 3: The dynamics of carrier transport and injection in devices. | Light: Science & Applications

Fig. 3: The dynamics of carrier transport and injection in devices.

From: Nanosecond response perovskite quantum dot light-emitting diodes with ultra-high resolution for active display application

Fig. 3

a The diagram of energy level structure. b UPS of QDs films. c KPFM images of Control and [BMIM]OTF-3 QDs film. d Schematic diagram of charge transfer and injection between QDs and the transport layers. e The impedance spectrum of the devices. f The capacitance-voltage curve of the devices. g TREL spectra of control and [BMIM]OTF devices. h–i TREL spectra with different voltages and frequency

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