典型文献
Colloidal quantum-dot light emitting diodes with bias-tunable color
文献摘要：
Although the performance of quantum-dot-based light emitting diodes(QLEDs)has been significantly enhanced over the past years,conventional full-color QLED displays still rely on the side-by-side pattern techniques of red(R)/green(G)/blue(B)quantum dots(QDs).Such lateral integration of multi-color pixels imposes technological difficulty in the development of high-resolution displays due to limited pixel density and fill factors.Herein,we demonstrate the development of full-color QLEDs with bias-tunable emission spectra by engineering mixed R/G/B QDs as light emitting layers.In Commission Internationale de 1'Eclairage(CIE)chromaticity coordinates,QLEDs with bias-tunable color exhibit wide color variation ranging from red(0.649,0.330)to green(0.283,0.305)to blue(0.255,0.264)upon increasing voltages and can be tuned to emit white light(0.316,0.325).More importantly,the fabricated multi-color QLEDs show high luminance approaching 103 cd m-2 and superior external quantum efficiency of 13.3％.Benefitting from the wide spectral tunability and light emitting efficiency,we believe the proposed multi-color QLEDs have great application prospects for both displays and lighting.
文献关键词：
中图分类号：
作者姓名：
GE MU;TIANYU RAO;MENGLU CHEN;YIMEI TAN;QUN HAO;XIN TANG
作者机构：
School of Optics and Photonics,Beijing Institute of Technology,Beijing 100081,China;Beijing Key Laboratory for Precision Optoelectronic Measurement Instrument and Technology,Beijing 100081,China;Yangtze Delta Region Academy of Beijing Institute of Technology,Jiaxing 314019,China
文献出处：
引用格式：
[1]GE MU;TIANYU RAO;MENGLU CHEN;YIMEI TAN;QUN HAO;XIN TANG-.Colloidal quantum-dot light emitting diodes with bias-tunable color)[J].光子学研究（英文）,2022(07):1633-1639
A类：
Internationale
B类：
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AB值：
0.561599
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