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Acta Photonica Sinica, Volume. 49, Issue 1, 0123004(2020)

Research on Improving Efficiency Roll-off of Organic Light-emitting Devices Based on Bifunctional Electrode

Xiao-gang ZHOU1... Hai-wei FENG2, Chao WU3, Shi-hao LIU2 and Wen-fa XIE2,* |Show fewer author(s)
Author Affiliations
  • 1College of Science, Henan Agricultural University, Zhengzhou 450000, China
  • 2College of Electronic Science and Engineering, Jilin University, Changchun 130012, China
  • 3School of Electric and Information Engineer, Zhongyuan University of Technology, Zhengzhou 450007, China
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    AbstractGet PDF(in Chinese)
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    Figures & Tables(7)
    Fabrication process of ultrasonic spray coating transparent electrode and structure schematic of corresponding OLEDs

    Fig. 1. Fabrication process of ultrasonic spray coating transparent electrode and structure schematic of corresponding OLEDs

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    Device performances of green devices PE-G and ITO-G

    Fig. 2. Device performances of green devices PE-G and ITO-G

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    Device performances of blue devices PE-B and ITO-B

    Fig. 3. Device performances of blue devices PE-B and ITO-B

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    Device performances of red devices PE-R and ITO-R

    Fig. 4. Device performances of red devices PE-R and ITO-R

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    AFM images of ITO and PEDOT:PSS transparent electrodes

    Fig. 5. AFM images of ITO and PEDOT:PSS transparent electrodes

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    Normalized EL spectra and resonant wavelength

    Fig. 6. Normalized EL spectra and resonant wavelength

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    • Table 1. Device performances of red, green and blue OLEDs

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      Table 1. Device performances of red, green and blue OLEDs

      DeviceMaximumvalues@100 mA/cm2
      CE/(cd·A－1)PE/(lm·W－1)EQE/%CE/(cd·A－1)PE/(lm·W－1)EQE/%
      GreenPE-GITO-G59.429.248.439.017.014.331.620.111.49.29.15.8
      BluePE-BITO-B29.237.513.026.212.917.217.820.14.77.47.59.1
      RedPE-RITO-R19.425.08.017.414.017.614.416.83.15.810.011.5
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    Xiao-gang ZHOU, Hai-wei FENG, Chao WU, Shi-hao LIU, Wen-fa XIE. Research on Improving Efficiency Roll-off of Organic Light-emitting Devices Based on Bifunctional Electrode[J]. Acta Photonica Sinica, 2020, 49(1): 0123004

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    Paper Information

    Received: Aug. 3, 2019

    Accepted: Oct. 17, 2019

    Published Online: Mar. 19, 2020

    The Author Email: Wen-fa XIE (xiewf@jlu.edu.cn)

    DOI:10.3788/gzxb20204901.0123004

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology