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High-efficiency green, yellow and red quantum-dot light emitting devices (QLEDs) have been fabricated via a simple solution-processed technique, in which different-colored Cu-In-Zn-S/ZnS core/shell colloidal semiconductor nanocrystals (NCs) are used as emissive layers sandwiched between an organic holes transport layer and an electron transport layer of ZnO nanoparticles. The yellow QLEDs exhibit...
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