Surface-ligand-triggered synthetic control of defects in nanocrystals toward high-efficiency blue electroluminescence.

From 80 to 300 K, the PL intensity of all nanocrystals exhibits a decreasing trend ( Figure S9 ), correlating with non-radiative recombination resulting from thermally activated processes, such as exciton dissociation within nanocrystals. 44 As the amount of DBSA increases, the decline in PL intensity decelerates.

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