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  • OPERA Solutions reported its latest achivements in quntam-dot light-emitting devices at IDW'22

OPERA Solutions reported its latest achivements in quntam-dot light-emitting devices at IDW’22

We report first time the emission zone profile, the spatial distribution of the emission intensity along the direction of the applied bias, of a quantum dot light-emitting diode. The emission zone profile is correlated with the balance of n- and p-type currents in a diode, and the device efficiency and its roll-off behavior strongly depend on whether the emission peak is preferably distributed or concentrated at a specific interface. The emission zone profiling can thus provide us with clues for improving the performance of organic–quantum dots hybrid devices. See more details here.

 

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