4.7 Article

A solution-processable phosphonate functionalized deep-blue fluorescent emitter for efficient single-layer small molecule organic light-emitting diodes

Journal

CHEMICAL COMMUNICATIONS
Volume 48, Issue 71, Pages 8970-8972

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c2cc34712a

Keywords

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Funding

  1. 973 Project [2009CB623601, 2009CB930603]
  2. National Natural Science Foundation of China [21174144, 50803062]
  3. Science Fund for Creative Research Groups [20921061]

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Based on a p-type scaffold, a novel solution-processable phosphonate functionalized deep-blue fluorescent emitter has been designed and synthesized. The corresponding non-doped single-layer SMOLED shows a peak current efficiency of 0.76 cd A(-1) with CIE coordinates of (0.15, 0.09), which is about three orders of magnitude higher than that of the prototype with tert-butyl substituents.

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