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A novel crosslinkable electron injection/transporting material for solution processed polymer light-emitting diodes

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Abstract

A novel crosslinkable water/alcohol soluble conjugated polymer PFN-C containing oxetane groups and aminoalkyl groups in the side chains has been developed and used as highly efficient electron injection and transporting material for polymer light-emitting diodes (PLEDs). The unique solubility in polar solvents and crosslinkable ability of PFN-C render it a good candidate for solution processed multilayer PLEDs. It was found that PFN-C can greatly enhance the electron injection from high work-function metal cathode, due to its pendant amino groups. As a result, PLEDs with PFN-C/Al cathode exhibited comparable device performance to the devices with Ba/Al cathode. The resulting green light-emitting device showed promising performance with a maximum luminance efficiency of 13.53 cd A−1.

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Authors and Affiliations

  1. State Key Laboratory of Luminescent Materials and Devices; Institute of Polymer Optoelectronic Materials & Devices, South China University of Technology, Guangzhou, 510640, China

    ShengJian Liu, ChengMei Zhong, Jie Zhang, ChunHui Duan & Fei Huang

  2. State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, Guangzhou, 510640, China

    XiaoHui Wang

Authors
  1. ShengJian Liu
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  2. ChengMei Zhong
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  3. Jie Zhang
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  4. ChunHui Duan
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  5. XiaoHui Wang
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  6. Fei Huang
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Corresponding authors

Correspondence to XiaoHui Wang or Fei Huang.

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Contributed equally to this work.

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Liu, S., Zhong, C., Zhang, J. et al. A novel crosslinkable electron injection/transporting material for solution processed polymer light-emitting diodes. Sci. China Chem. 54, 1745–1749 (2011). https://doi.org/10.1007/s11426-011-4386-8

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  • DOI: https://doi.org/10.1007/s11426-011-4386-8

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