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. 2022 May 11;13:2587. doi: 10.1038/s41467-022-30016-0

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Fig. 4 — a PL spectrum of a representative core-only QD (blue points) and of a core/shell QD (red points) exhibiting the record-low PL line broadening. Solid lines are best fit to a Lorentzian function. b Histogram of emission line-broadening for several core-only and core/shell QDs.