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Tailored deep blue OLEDs characteristics with doping engineering in fluorescent dyes based on DMPPP: towards manufacturable solid-state lighting building blocks

  • Gang Zhang
  • Guoliang Xing
  • Juntong Li
  • Xinyu Zhang
  • Jihui Lang
  • Lina Zhao
  • Jin Wang
  • Wenlong Jiang
Article
  • 4 Downloads

Abstract

We report on a deep blue OLED paradigm where the typical electrical and optical characteristics can be tailored with doping engineering. The devices are fabricated with a representative structure of ITO/m-MTDATA (20 nm) NPB (10 nm)/DMPPP:BCzVBi (d nm, x wt%)/Bphen (30 nm)/Cs2CO3:Ag2O (20 wt%, 1 nm)/Al (100 nm). Complementary studies are performed on the properties of deep blue OLEDs with specific doping concentrations (x = 2, 5, 8 and 10) and various doping layer thicknesses (d = 3, 5, 15 and 20). High luminance and efficiency deep blue OLEDs are obtained with tailored energy transfer between the host and the guest in the emissive layer when the x and d was 8 and 15, respectively. The developed device demonstrate a maximum current efficiency of 3.53 cd/A with a maximum luminance of 16,570 cd/m2. The CIE coordinates of the device are well within the deep blue region when the voltage is changed from 6 to 11 V. The CIEx,y is (0.155, 0.128) at the maximum luminance. Our systematic studies and complementary engineering investigations upon highly efficient deep blue OLEDs open new opportunities towards innovative applications in an industrial level available with optimized device integration among performance, dimension and cost in a variety of fields, e.g., flat panel display, smart wearable devices and human–machine interfaces lighting.

Notes

Acknowledgements

This word is supported by the National Natural Science Foundation (NO. 51608226, 21776110) of China, the “Thirteenth five year” science and technology research Project of Jilin province department of education (NO. JJKH20170378KJ) of China, as well as the full financial and technical support from financial Jilin Special Equipment Inspection and Research Institute, Jilin, China.

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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  • Gang Zhang
    • 1
    • 2
  • Guoliang Xing
    • 3
  • Juntong Li
    • 1
    • 2
  • Xinyu Zhang
    • 1
    • 2
  • Jihui Lang
    • 2
  • Lina Zhao
    • 1
  • Jin Wang
    • 1
    • 2
  • Wenlong Jiang
    • 1
    • 2
  1. 1.College of Information TechnologyJilin Normal UniversitySipingChina
  2. 2.Key Laboratory of Functional Materials Physics and Chemistry of Ministry of EducationJilin Normal UniversitySipingChina
  3. 3.Jilin Special Equipment Inspection and Research InstituteJilinChina

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