Fig. 2: Defect passivation of QDs by [BMIM]OTF. | Light: Science & Applications

Fig. 2: Defect passivation of QDs by [BMIM]OTF.

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

Fig. 2: Defect passivation of QDs by [BMIM]OTF.

a–c DFT calculation for binding energy and differential charge density image of QDs. d Comparison of binding energies between different ligands for QDs. e XPS spectra of Pb-4f. f, g FTIR spectrum of C=N and -SO3− binding bond vibration. h, i Voltage–current density diagram of hole-only and electron-only devices. j Calculated trap density of control and [BMIM]OTF-3 devices. k TREL falling edge of devices

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