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(a) Absorption and (b) PL spectra for the control and ligand exchange QDs

(a) Absorption and (b) PL spectra for the control and ligand exchange QDs

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Figure 1. Device structure for fabricated QDs
Figure 5. (a) Absorption and (b) PL spectra for the control and ligand...
Summary of Core QD Synthesis
Copper Indium Disulfide Quantum Dot Light Emitting Diodes for Display and Lighting Technologies
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  • May 2019
While significant advances in the development of quantum dot light emitting diodes (QLEDs) have been reported, these devices are primarily based on cadmium chalcogenide quantum dot (QD) materials. Both environmental and health concerns arise due to the toxicity of cadmium and consequently, alternative less toxic QDs must be developed for large scal...
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... slight changes in QD properties were observed with the ligand exchange. Figure 5 (a) shows that with the ligand exchange came a slight red shift in the absorbance spectra and figure 5 (b) even smaller shift in the emission spectra. ...

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