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Energy transfer in organic multilayer quantum well structure and its application to OLEDs

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Abstract

We fabricate a series of samples and OLEDs with organic multilayer quantum well structure, which consist of alternate PBD and Alq3. Both PBD and Alq3 are electron-transporting materials, and PBD is used as potential barrier layer, while Alq3 is used as potential well layer and emitting layer. Compared with double-layer structure, the luminescent characteristics of organic samples and diodes with quantum well structure are investigated and the quantum well structure helps the energy transfer between well layer and barrier layer. The quantum well structure makes carriers disperse in the different well layers and then increases the number of excitons to enhance the efficiency of the recombination.

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Authors and Affiliations

  1. Key Laboratory of Luminescence and Optical Information, Ministry of Education, Institute of Optoelectronic Technology, Beijing Jiaotong University, Beijing, 100044, China

    Zhao De-wei, Song Shu-fang, Zhao Su-ling & Xu Zheng

Authors
  1. Zhao De-wei
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  2. Song Shu-fang
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  3. Zhao Su-ling
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  4. Xu Zheng
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Additional information

This work was supported by “973” National Key Basic Research Foundation of China (No. 2003CB314707), National Natural Science Foundation of China (No. 60576016, 10374001, and No. 10434030).

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Zhao, Dw., Song, Sf., Zhao, Sl. et al. Energy transfer in organic multilayer quantum well structure and its application to OLEDs. Optoelectron. Lett. 3, 99–102 (2007). https://doi.org/10.1007/s11801-007-6144-x

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  • DOI: https://doi.org/10.1007/s11801-007-6144-x

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