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题目:

Outcoupling-Enhanced Flexible Organic Light-Emitting Diodes on Ameliorated Plastic Substrate with Built-in Indium-Tin-Oxide-Free Transparent Electrode

 

 

作者:

Heng-Yang Xiang,1,2 Yan-Qing Li,1,2,* Lei Zhou,1,2 Hao-Jun  Xie,1,2 Chi Li,1,2 Qing-Dong Ou,1,2 Lin-Sen Chen,2,3 Chun-Sing Lee,4 Shuit-Tong Lee,1,2 and Jian-Xin Tang1,2,*

 

 

单位:

1Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices,  Soochow University, Suzhou 215123, China, Collaborative Innovation Center of Suzhou Nano Science and Technology, Soochow University, Suzhou 215123, China

2College of Physics Optoelectronics and Energy, Soochow  University, Suzhou 215006, China

3Center Of Super-Diamond and Advanced Films, & Department of  Physics and Materials Science, City University of Hong Kong, Hong Kong SAR, China

 

 

摘要:

Enhancing light outcoupling inflexible organic light-emitting diodes (FOLEDs) is an important task for increasing their efficiencies for display and lighting applications. Here, a strategy for an angularly and spectrally independent boost in light outcoupling of FOLEDs is demonstrated by using plastic substrates with a low refractive index, consisting of a bioinspired optical coupling layer and a transparent conductive electrode composed of a silver network. The good transmittance to full-color emission (>94% over the whole visible wavelength range), ultralow sheet resistance to carrier injection (<5Ωsq-1), and high tolerance to mechanical bending of the ameliorated plastic substrates synergistically optimize the device performance of FOLEDs. The maximum power efficiencies reach 47, 93, 56, and 52 lm W-1 for red, green, blue, and white emissions, which are competitive with similarly structured OLEDs fabricated on traditional indiumtin-oxide (ITO) glass. This paradigm for light outcoupling enhancement in ITO-free FOLEDs offers additional features and design freedoms for highly efficient flexible optoelectronics in large-scale and low-cost manufacturing without the need for a high-refractive-index plastic substrate.

 

 

影响因子:

12.881

 

 

分区情况:

1区

 

 

链接:

http://pubs.acs.org/doi/abs/10.1021/acsnano.5b02826


 

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