4.5 Article

Selective Tuning of the HOMO-LUMO Gap of Carbazole-Based Donor-Acceptor-Donor Compounds toward Different Emission Colors

Journal

EUROPEAN JOURNAL OF ORGANIC CHEMISTRY
Volume 2010, Issue 9, Pages 1681-1687

Publisher

WILEY-V C H VERLAG GMBH
DOI: 10.1002/ejoc.200901167

Keywords

Nitrogen heterocycles; Fused-ring systems; Donor-acceptor systems; Molecular electronics; Luminescence

Funding

  1. National Natural Science Foundation of China [50933003, 50902073, 50903044, 20774047]
  2. Ministry of Science and Technology [2006CB932702]
  3. Natural Science Foundation of Tianjin City [07JCYBJC03000, 08JCZDJC25300]

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Carbazole-based donor-acceptor compounds with tunable HOMO-LUMO gaps were synthesized by Suzuki and Sonogashira cross-coupling reactions. Their optical and electrochemical properties were fully characterized. The results show that materials with different emission colors ranging from blue to green to orange could be obtained. The experimental results were also supported by theoretical calculations.

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