期刊
JOURNAL OF MATERIALS CHEMISTRY
卷 18, 期 16, 页码 1889-1894出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/b800028j
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ZnO nanocrystals are presented as an electron injection layer for red, green, and blue light-emitting diodes (LEDs) based on core - shell CdSe/ZnS quantum dots (QDs). The deposition of ZnO nanocrystals from isopropanol permits fabricating multilayer QD-LEDs that include both hole and electron transport layers by simple solution processing. The ZnO nanocrystals improve electron injection in the light-emitting QD layer as evidenced from a decreased turn-on voltage and a reduction of emission originating from other layers than the QD layer of the LEDs.
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