期刊
ACS NANO
卷 8, 期 12, 页码 12796-12805出版社
AMER CHEMICAL SOC
DOI: 10.1021/nn506034g
关键词
flexible OLEDs; flexible transparent conductor; superior bendability; silver networks
类别
资金
- National Basic Research Program of China [2014CB932600]
- National Natural Science Foundation of China [91433116, 91323303, 11474214, 61107022]
- Jiangsu Science and Technology Department [BK20140053]
- Natural Science Foundation of the Higher Education Institutions of Jiangsu Province [10KJA140048]
- Collaborative Innovation Center of Suzhou Nano Science and Technology
- Jiangsu Key Laboratory for Carbon-Based Functional Materials Devices
- Priority Academic Program Development (PAPD) of Jiangsu Higher Education Institutions
Because of their mechanical flexibility, organic light-emitting diodes (OLEDs) hold great promise as a leading technology for display and lighting applications in wearable electronics. The development of flexible OLEDs requires high-quality transparent conductive electrodes with superior bendability and roll-to-roll manufacturing compatibility to replace indium tin oxide (ITO) anodes. Here, we present a flexible transparent conductor on plastic with embedded silver networks which is used to achieve flexible, highly power-efficient large-area green and white OLEDs. By combining an improved outcoupling structure for simultaneously extracting light in waveguide and substrate modes and reducing the surface plasmonic losses, flexible white OLEDs exhibit a power efficiency of 106 lm W-1 at 1000 cd m(2) with angular color stability, which is significantly higher than all other reports of flexible white OLEDs. These results represent an exciting step toward the realization of ITO-free, high-efficiency OLEDs for use in a wide variety of high-performance flexible applications.
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