Non-Aufbau Principle to Achieve High Stability Organic Luminescence Radicals

  • Benzhong TangEmail author


To solve the problem of stability of organic luminescence radicals, Li et al. proposed a new kind of organic luminescence radicals with non-Aufbau electronic structure by using donor-acceptor molecular structure. The stability of this kind of radicals was greatly improved and the high luminous efficiency was maintained. Using a non-Aufbau radical as the emission layer of an OLED, the maximum external efficiency of 5.3% has been achieved, which is among the highest efficiencies for pure organic near-infrared electroluminescence. This work has been published online in the Nature Materials in July 22, 2019.


  1. [1]
    Peng Q. M., Obolda A., Zhang M., Li F., Angewandte Chemie International Edition, 2015, 54, 7091CrossRefGoogle Scholar
  2. [2]
    Ai X., Evans E. W., Dong S. Z., Gillett A. J., Guo H. Q., Chen Y. X., Hele T. J. H., Friend R. H., Li F., Nature, 2018, 563, 536CrossRefGoogle Scholar
  3. [3]
    Guo H. Q., Peng Q. M., Chen X. K., Gu Q. Y., Dong S. Z., Evans W. E., Gillett J. A., Ai X., Zhang M., Credgington D., Corop-ceanu V., Friend H. R., Brédas J. L., Li F., Nature Materials, 2019, doi: 10.1038/s41563–019–0433–1, Google Scholar

Copyright information

© Jilin University, The Editorial Department of Chemical Research in Chinese Universities and Springer-Verlag GmbH 2019

Authors and Affiliations

  1. 1.The Hong Kong University of Science and Technology, Clear Water Bay, KowloonHong KongP. R. China

Personalised recommendations