Skip to main content
Nano Convergence
Fig. 1 | Nano Convergence

Fig. 1

From: How to improve the structural stabilities of halide perovskite quantum dots: review of various strategies to enhance the structural stabilities of halide perovskite quantum dots

Fig. 1

Copyright 2018, American Chemical Society. Luminance vs. voltage and current efficiency vs. current density curves of PeLEDs using CH3NH3PbBr3 QDs treated by the PLAP (g and h) and PLEP (i and j). Reproduced with permission from [53]. Copyright 2018, The Royal Society of Chemistry. k Process and advantage of the in-situ inorganic ligand strategy via a mildly polar anti-solvent. Bandgap stability of (l) control and (m) treated mixed-halide perovskite films under 100 Wcm–2 photo-irradiation. Photographs between (l) and (m) show the color change in degraded films after one week. Reproduced with permission from [45]. Copyright 2022, Wiley–VCH

Ligand exchange (addition) processes, optical and device performances, microstructure and structural stabilities of PQDs. a Synthesis process of PEA modified CsPbBr3 QDs. b PLQY and average PL lifetime (τave) of CsPbBr3 QDs with different amounts of PEA. TEM images of PEA modified CsPbBr3 QDs; (c) 0.1, (d) 0.2, (e) 0.3, and (f) 0.4 molar fraction. Scale bar: 20 nm. Reproduced with permission from [51].

Back to article page