发光学报2005，Vol.26Issue(3)：321-326,6.
硒化镉发光量子点的制备及其在有机发光器件中的应用
Synthesis and Applications of Luminescent CdSe Quantum Dots for OLEDs
摘要
Abstract
We have successfully synthesized high-quality CdSe/ZnS and Au/CdSe/ZnS quantum dots(QDs) by simple chemical colloid methods. We try to explore the possibility of PL intensity enhancement of CdSe QDs in presence of Au nanoparticles (NPs). Due to the existence of surface plasma excitation of core Au, we have observed a great enhanced PL intensity in the core-shell NPs of Au/CdSe/ZnS as compared to CdSe/ZnS NPs. Here, the optimal fraction of Au NPs incorporation into CdSe/ZnS NPs was found to be 0.1 mol% Au NPs, which shows the highest PL intensity. We also fabricated a high efficiency organic electroluminescent device (OLED) using CdSe/ZnS and Au/CdSe/ZnS with phosphorescent Ir-complex as light-emitting materials. The quantum efficiencies of OLEDs were enhanced about 2 times as compared to blank device.关键词
化学溶胶法/核壳型硒化镉量子点/发光二极管器件/磷光铱(Ⅲ)化合物Key words
chemical colloid methods/core-shell type CdSe quantum dots/electroluminescent device/phosphores-cent Ir-complex分类
数理科学引用本文复制引用
刘弘伟,LASKAR I R,黄静萍,陈登铭..硒化镉发光量子点的制备及其在有机发光器件中的应用[J].发光学报,2005,26(3):321-326,6.基金项目
台湾科会基金(NSC91-2816-M-009-002-6) （NSC91-2816-M-009-002-6）
台湾联合大学系统(UST-CNST200纳米整合计划基金)资助项目 （UST-CNST200纳米整合计划基金）
