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首页> 外文期刊>Japanese journal of applied physics >Polarized electroluminescent devices based on ultrathin α-sexithiophene on oriented β-phase polyfluorene films
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Polarized electroluminescent devices based on ultrathin α-sexithiophene on oriented β-phase polyfluorene films

机译:取向β相聚芴薄膜上基于超薄α-噻吩并噻吩的偏振电致发光器件

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摘要

White polarized light emitting devices are produced by combining oriented β-phase polyfluorene (PFO) films with cr-sexithiophene (6T) on top. Highly oriented PFO films are fabricated with the friction transfer method and exposed to toluene to partially change their conformation to the metastable β-phase PFO without loss of orientation. Orange emitting 6T is then deposited by the conventional vacuum deposition method on top of the blue emitting oriented PFO films. We studied the effects of 6T thickness on the emission color and the results indicated that whitening is possible by depositing 6T at a thickness of 1.5nm on β-phase PFO. High polarization of both PFO and 6T emitting regions in the electroluminescence spectra suggested that 6T molecules are oriented parallel to the PFO molecules.
机译:通过将取向的β相聚芴(PFO)薄膜与顶部的cr-sethio噻吩(6T)组合在一起,可以生产出白色偏振发光器件。高取向的PFO薄膜是通过摩擦转移方法制造的,并暴露在甲苯中以部分改变其构型为亚稳态β相PFO,而不会失去取向。然后,通过常规的真空沉积方法将发射橙色光的6T沉积在发射蓝色光的PFO膜上。我们研究了6T厚度对发射颜色的影响,结果表明,通过在β相PFO上沉积1.5T厚度的6T可以实现增白。电致发光光谱中PFO和6T发射区域的高度极化表明6T分子与PFO分子平行取向。

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  • 来源
    《Japanese journal of applied physics》 |2014年第1s期|01AC01.1-01AC01.4|共4页
  • 作者单位

    Research Institute for Ubiquitous Energy Devices, National Institute of Advanced Industrial Science and Technology (AIST), Ikeda, Osaka 563-8577, Japan;

    Research Institute for Ubiquitous Energy Devices, National Institute of Advanced Industrial Science and Technology (AIST), Ikeda, Osaka 563-8577, Japan,Department of Chemistry and Materials Engineering, Faculty of Chemistry, Materials and Bioengineering,Kansai University, Suita, Osaka 564-8680, Japan;

    Research Institute for Ubiquitous Energy Devices, National Institute of Advanced Industrial Science and Technology (AIST), Ikeda, Osaka 563-8577, Japan;

    Department of Chemistry and Materials Engineering, Faculty of Chemistry, Materials and Bioengineering,Kansai University, Suita, Osaka 564-8680, Japan;

    Research Institute for Ubiquitous Energy Devices, National Institute of Advanced Industrial Science and Technology (AIST), Ikeda, Osaka 563-8577, Japan,Department of Chemistry and Materials Engineering, Faculty of Chemistry, Materials and Bioengineering,Kansai University, Suita, Osaka 564-8680, Japan;

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