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量子点层厚度对量子点发光二极管发光特性的影响
引用本文:李芝,陈静,雷威. 量子点层厚度对量子点发光二极管发光特性的影响[J]. 中国科技论文在线, 2014, 0(1): 1-3
作者姓名:李芝  陈静  雷威
作者单位:东南大学电子科学与工程学院,南京210096
基金项目:国家重点基础研究发展计划(973计划)资助项目(2013CB328803,2010CB327705);国家自然科学基金资助项目(5087202260801002,60971017,51202028,51120125001);高等学校博士学科点专项科研基金资助项目(20120092120025)
摘    要:采用湿法旋涂技术制备量子点发光二极管器件(QD-LEDs)。PEDOT作为空穴注入层,TFB作为空穴传输层,量子点作为发光层,采用无机二氧化钛(TiO2)作为电子传输层,在相同的工艺条件下调节量子点层旋涂转速(800~1100 r/min),制备不同厚度的量子点发光二极管发光器件(QD-LEDs)。实验结果表明,当量子点层的旋涂转速为900 r/min时,此时的量子点层厚度为30 nm,所制备的量子点发光二极管器件(QD-LEDs)的发光性能最好,开启电压最低,只有5.5 V。

关 键 词:量子点发光二极管  量子点层厚度  发光特性

Effect of quantum dot layer thickness on the luminescence properties of quantum dot light emitting diode
Li Zhi,Chen Jing,Lei Wei. Effect of quantum dot layer thickness on the luminescence properties of quantum dot light emitting diode[J]. Sciencepaper Online, 2014, 0(1): 1-3
Authors:Li Zhi  Chen Jing  Lei Wei
Affiliation:(Department of Electronic Science and Engineering, Southeast University, Nanj ing 210096, China)
Abstract:Quantum dot light emitting diode devices (QD-LEDs)havebeen developedwith wet spin coating technique.In the QDLEDs,PEDOT is used as hole injection layer,TFB as electron transport layer,quantum dots as emissive layer,and inorganic titanium dioxide (TiO2 )as a hole transport layer.In the same processing conditions,thequantum dot layer spin speed wasadjusted-from 800 to 1 100 r/min,and quantum dot light emitting diode devices (QD-LEDs)prepared with different thicknesses.Experi-ment results show that,when the spin-coating speed of quantum dot layer is 900 r/min and quantum dot layer thickness is 30 nm,the QD-LED performance is best with a lowturn-on voltage of 5.5V.
Keywords:quantum dot light emitting diodes (QD-LEDs)  quantum dot layer thickness  luminescence properties
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