期刊
ADVANCED FUNCTIONAL MATERIALS
卷 27, 期 13, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adfm.201604659
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类别
资金
- 973 Project [2013CBA01700]
- National Natural Science Foundation Program of China [61322402, 61604018, 61675085, 61605065, 61505065, 61590930]
- Jilin Provincial Science and Technology Program [20160520101JH]
- China Postdoctoral Science Foundation [2015M581377]
Organic single crystals have a great potential in the field of organic optoelectronics because of their advantages of high carrier mobility and high thermal stability. However, the application of the organic single crystals in light-emitting devices (OLEDs) has been limited by single-layered structure with unbalanced carrier injection and transport. Here, fabrication of a multilayered-structure crystal-based OLED constitutes a major step toward balanced carrier injection and transport by introducing an anodic buffer layer and electron transport layer into the device structure. Three primary color single-crystal-based OLEDs based on the multilayered structure and molecular doping exhibit a maximum luminance and current efficiency of 820 cd cm(-2) and 0.9 cd A(-1), respectively, which are the highest performance to date for organic single-crystal-based OLEDs. This work paves the way toward high-performance organic optoelectronic devices based on the organic single crystals.
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