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Considerable improvement in the stability of solution processed small molecule OLED by annealing

机译：通过退火使溶液处理的小分子OLED的稳定性得到显着改善

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摘要

We investigated the annealing effect on solution processed small organic molecule organic films, which were annealed with various conditions. It was found that the densities of the spin-coated (SC) films increased and the surface roughness decreased as the annealing temperature rose. We fabricated corresponding organic light emitting diodes (OLEDs) by spin coating on the same annealing conditions. The solution processed OLEDs show the considerable efficiency and stability, which were prior or equivalent to the vacuum-deposited (VD) counterparts. Our research shows that annealing process plays a key role in prolonging the lifetime of solution processed small molecule OLEDs, and the mechanism for the improvement of the device performance upon annealing was also discussed.
机译：我们研究了对固溶处理的有机小有机薄膜的退火效果，该有机薄膜在各种条件下进行了退火。发现随着退火温度的升高，旋涂（SC）膜的密度增加并且表面粗糙度降低。我们在相同的退火条件下通过旋涂制造了相应的有机发光二极管（OLED）。经过溶液处理的OLED表现出相当高的效率和稳定性，其性能优于或等同于真空沉积（VD）的OLED。我们的研究表明，退火工艺在延长溶液处理的小分子OLED的寿命中起着关键作用，并且还讨论了改善退火后器件性能的机理。

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  • 来源
    《Applied Surface Science》 |2011年第17期|p.7394-7398|共5页
  • 作者

    GuiLin Mao; Zhaoxin Wu; Qiang He; Bo Jiao; Guojin Xu; Xun Hou; Zhijian Chen; Qihuang Gong;

  • 作者单位

    Key Laboratory of Photonics Technology for Information, Key Laboratory for Physical Electronics and Devices of the Ministry of Education,School of Electronic and Information Engineering, Xi'an fiaotong University, Xi'an, 710049, PR China;

    Key Laboratory of Photonics Technology for Information, Key Laboratory for Physical Electronics and Devices of the Ministry of Education,School of Electronic and Information Engineering, Xi'an fiaotong University, Xi'an, 710049, PR China;

    Key Laboratory of Photonics Technology for Information, Key Laboratory for Physical Electronics and Devices of the Ministry of Education,School of Electronic and Information Engineering, Xi'an fiaotong University, Xi'an, 710049, PR China,Department of UAV, Wuhan Ordnance Noncommissioned Officers Academy, Wuhan, 430075, PR China;

    Key Laboratory of Photonics Technology for Information, Key Laboratory for Physical Electronics and Devices of the Ministry of Education,School of Electronic and Information Engineering, Xi'an fiaotong University, Xi'an, 710049, PR China;

    Key Laboratory of Photonics Technology for Information, Key Laboratory for Physical Electronics and Devices of the Ministry of Education,School of Electronic and Information Engineering, Xi'an fiaotong University, Xi'an, 710049, PR China;

    Key Laboratory of Photonics Technology for Information, Key Laboratory for Physical Electronics and Devices of the Ministry of Education,School of Electronic and Information Engineering, Xi'an fiaotong University, Xi'an, 710049, PR China;

    State Key Laboratory for Mesoscopic Physics and Department of Physics, Peking University, Beijing, 100871, PR China;

    State Key Laboratory for Mesoscopic Physics and Department of Physics, Peking University, Beijing, 100871, PR China;

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  • 正文语种 eng
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  • 关键词

    organic light emitting diodes; solution processed; stability; annealing;

    机译：有机发光二极管;溶液处理;稳定性;退火;

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