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首页> 外文期刊>Applied Physics Letters >Probing buried organic layers in organic light-emitting diodes under operation by electric-field-induced doubly resonant sum-frequency generation spectroscopy
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Probing buried organic layers in organic light-emitting diodes under operation by electric-field-induced doubly resonant sum-frequency generation spectroscopy

机译：电场感应双共振和频产生光谱在工作中探测有机发光二极管中的掩埋有机层

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摘要

Electric-field-induced doubly resonant sum-frequency generation (EFI-DR-SFG) spectroscopy was used to study the electric field distribution in multilayer organic light-emitting diodes (OLEDs). Remarkable correlations between the DR-SFG signal enhancement and the applied bias voltage were observed. The SFG signals attributed to 4,4'-bis[N-(l-naphthyl-N-phenylamino)-biphenyl] were significantly enhanced by applying a forward voltage, whereas those from Alq3 were increased by applying a reverse voltage. The large enhancement in EFI-DR-SFG intensity enables us to nondestructively probe the local electric field distribution at the buried organic layer within the OLED.
机译：电场诱导的双共振和频产生（EFI-DR-SFG）光谱用于研究多层有机发光二极管（OLED）中的电场分布。观察到DR-SFG信号增强与施加的偏置电压之间存在显着的相关性。施加4,4'-双[N-（1-萘基-N-苯基氨基）-联苯]的SFG信号通过施加正向电压得到显着增强，而来自Alq3的SFG信号通过施加反向电压得到增强。 EFI-DR-SFG强度的大幅提高使我们能够无损地探测OLED内掩埋有机层的局部电场分布。

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  • 来源
    《Applied Physics Letters》 |2012年第7期|p.073304.1-073304.4|共4页
  • 作者

    T. Miyamae; N. Takada; T. Tsutsui;

  • 作者单位

    Nanosystem Research Institute, National Institute of Advanced Industrial Science and Technology (AIST),1-1-1 Higashi, Tsukuba, Ibaraki 305-8565, Japan,Chemical Materials Evaluation and Research Base (CEREBA), 1-1-1 Higashi, Tsukuba,Ibaraki 305-0053, Japan;

    Chemical Materials Evaluation and Research Base (CEREBA), 1-1-1 Higashi, Tsukuba,Ibaraki 305-0053, Japan,Flexible Electronics Research Center, National Institute of Advanced Industrial Science and Technology (AIST), 1-1-1 Higashi, Tsukuba, Ibaraki 305-8565, Japan;

    Chemical Materials Evaluation and Research Base (CEREBA), 1-1-1 Higashi, Tsukuba,Ibaraki 305-0053, Japan;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
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