Abstract
Indium phosphide (InP) quantum dots (QDs) are attractive materials as cadmium- and lead-free emitters for wide-color gamut displays. However, the wider emission full-width at half-maximum (FWHM) of InP-QDs has been the obstacle to replacing cadmium selenide QDs. Here, we report that the presence of ZnCl2 during shell formation drastically improves the emission properties of InP-QDs. Scanning transmission electron microscope observation revealed that uniform and spherical particles were formed in the presence of ZnCl2. By combining the flow reaction of InP core QDs, kilogram-scale synthesis was achieved while maintaining excellent emission properties.
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