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In this work, carbon quantum dots (CQDs) are embedded as a functional material into white-organic-light-emitting diodes (WOLEDs) devices with a structure of dual-light-emitting layer. When the forward voltage is applied on devices ranging from 14 V to 22 V, the CIE coordinates of CQDs WOLEDs changed from (0.27,0.29) to (0.34,0.37) which exhibits linear optical modulation effect. Meanwhile the as-fabricated...
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