Polymer Organic Light-Emitting Devices with Cathodes Transferred under Ambient Conditions

Dong-Hyun Lee; Yan-Peng Liu; Eun Jung; Seung-Woo Seo; Heeyeop Chae; Sung M. Cho

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Polymer Organic Light-Emitting Devices with Cathodes Transferred under Ambient Conditions

机译：在环境条件下转移有阴极的聚合物有机发光器件

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We fabricated polymer organic light-emitting devices (OLEDs) with an aluminum cathode transferred under ambient conditions from a separately prepared transfer film in order to achieve complete, vacuum-free fabrication of polymer OLEDs. Transfer of aluminum (Al) and lithium fluoride on aluminum (LiF/AI) onto polymer OLEDs as a cathode revealed problems in device performance due to native aluminum oxide and the stability of the LiF layer under ambient conditions, respectively. In contrast, the device fabricated with the transfer of cesium carbonate (Cs2CO3)-doped poly(vinyl alcohol) (PVA) on aluminum as a cathode showed lower turn-on voltage, and enhanced efficiency and stability. This method may provide an easy way to fabricate low-cost polymer OLEDs using complete, vacuum-free processes.

机译：我们制造了带有铝阴极的聚合物有机发光器件（OLED），该铝阴极在环境条件下是由单独准备的转印膜转印的，以实现聚合物OLED的完整，无真空的制造。铝（LiF / Al）上的铝（Al）和氟化锂（LiF / Al）转移到作为阴极的聚合物OLED上，分别由于天然氧化铝和LiF层在环境条件下的稳定性而导致器件性能出现问题。相反，以掺杂碳酸铯（Cs2CO3）的聚（乙烯醇）（PVA）在铝上作为阴极转移而制造的器件显示出较低的开启电压，并提高了效率和稳定性。该方法可以提供一种使用完整的无真空工艺制造低成本聚合物OLED的简便方法。

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《Japanese journal of applied physics》 |2011年第11issue1期|p.000016-000018|共3页
作者
Dong-Hyun Lee; Yan-Peng Liu; Eun Jung; Seung-Woo Seo; Heeyeop Chae; Sung M. Cho;
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School of Chemical Engineering, Sungkyunkwan University, Suwon, Gyeonggi 440-746, Korea,Center for Human Interface Nanotechnology (HINT), Suwon, Gyeonggi 440-746, Korea;

School of Chemical Engineering, Sungkyunkwan University, Suwon, Gyeonggi 440-746, Korea;

School of Chemical Engineering, Sungkyunkwan University, Suwon, Gyeonggi 440-746, Korea;

School of Chemical Engineering, Sungkyunkwan University, Suwon, Gyeonggi 440-746, Korea;

School of Chemical Engineering, Sungkyunkwan University, Suwon, Gyeonggi 440-746, Korea;

School of Chemical Engineering, Sungkyunkwan University, Suwon, Gyeonggi 440-746, Korea,Advanced Materials and Process Research Center for IT, Sungkyunkwan University, Suwon, Gyeonggi 440-746, Korea;

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3. High efficiency top-emitting white organic light-emitting devices with a (metal/organic)_2 cathode [J] . Ji W., Zhang L., Liu M., Current applied physics: the official journal of the Korean Physical Society . 2011,第6期

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Polymer Organic Light-Emitting Devices with Cathodes Transferred under Ambient Conditions

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