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Flexible organic electroluminescent devices based on transparent clay films

机译:基于透明粘土膜的柔性有机电致发光器件

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We report the fabrication of flexible organic light-emitting diodes ( OLEDs) using transparent clay films with heat-resistant and high-gas-barrier properties. Indium tin oxide ( ITO) thin films were deposited as anode layers at high temperature using the rf magnetron sputtering method. The ITO films deposited at temperatures greater than 300 degrees C exhibit high optical transparency (> 90%) in the visible region with a low electrical resistivity of 4 x 10(-4) Omega cm. Flexible OLEDs with the structure of clay film/ITO/TPD/Alq3/Al ( where TPD is N, N '-diphenyl-N, N '-(3-methylphenyl)-[1,1 '-biphenyl]-4,4 '-diamine and Alq(3) is tris( 8-hydroxyquinolinato) aluminum) showed a turn-on voltage of around 7.2 V, a luminance efficiency of 2.7 cd A(-1), and a luminance of 100 cd m(-2) at 11.5 V. Results show that the clay film is an excellent candidate for transparent flexible substrates for use in displays or other electronic applications.
机译:我们报告了使用具有耐热性和高阻气性的透明粘土膜制作的柔性有机发光二极管(OLED)。使用射频磁控溅射方法在高温下沉积铟锡氧化物(ITO)薄膜作为阳极层。在高于300摄氏度的温度下沉积的ITO膜在可见光区域显示高光学透明性(> 90%),而电阻率为4 x 10(-4)Ωcm。具有粘土膜/ ITO / TPD / Alq3 / Al结构的柔性OLED(其中TPD为N,N'-二苯基-N,N'-(3-甲基苯基)-[1,1'-联苯] -4,4 '-二胺和Alq(3)是三(8-羟基喹啉基铝),其开启电压约为7.2 V,亮度效率为2.7 cd A(-1),亮度为100 cd m(-2) )在11.5 V下。结果表明,该粘土膜是用于显示器或其他电子应用的透明柔性基板的极佳候选者。

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