Fig. 1: Ionic liquid-mediated surface reconstruction strategy for PQDs | Light: Science & Applications

Fig. 1: Ionic liquid-mediated surface reconstruction strategy for PQDs

From: Ion agent mitigates efficiency roll-off in near-infrared electroluminescence for practical bioimaging and information encryption

Fig. 1: Ionic liquid-mediated surface reconstruction strategy for PQDsThe alternative text for this image may have been generated using AI.

a Schematic diagram exhibiting the problems for pristine PQDs, as well as the carrier dynamics and device performance for the corresponding NIR LEDs. b Schematic diagram showing the proposed ionic liquid-mediated surface state reconstruction solution for PQDs to enable defect passivation and carrier transport regulation for achieving better device performance. c UV-Vis absorption and PL spectra of control and MPII-treated PQDs. d, e The fs-TA spectra, and normalized decay kinetics of the GSB signal for control and MPII-treated PQDs

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