Journal
NANO-MICRO LETTERS
Volume 6, Issue 4, Pages 335-339Publisher
SHANGHAI JIAO TONG UNIV PRESS
DOI: 10.1007/s40820-014-0006-4
Keywords
White light; Hybrid; Color rendering index; Organic light-emitting diodes; Double emitting nanolayers
Funding
- National Natural Science Foundation of China [61204087, 61306099]
- Guangdong Natural Science Foundation [S2012040007003]
- China Postdoctoral Science Foundation [2013M531841]
- Fundamental Research Funds for the Central Universities [2014ZM0003, 2014ZM0034, 2014ZM0037, 2014ZZ0028]
- Specialized Research Fund for the Doctoral Program of Higher Education [20120172120008]
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A very-high color rendering index white organic light-emitting diode (WOLED) based on a simple structure was successfully fabricated. The optimized device exhibits a maximum total efficiency of 13.1 and 5.4 lm/W at 1,000 cd/m(2). A peak color rendering index of 90 and a relatively stable color during a wide range of luminance were obtained. In addition, it was demonstrated that the 4,4',4 ''-tri(9-carbazoyl) triphenylamine host influenced strongly the performance of this WOLED. These results may be beneficial to the design of both material and device architecture for high-performance WOLED.
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