Non-Aufbau Principle to Achieve High Stability Organic Luminescence Radicals

Benzhong Tang

doi:10.1007/s40242-019-1001-6

Chemical Research in Chinese Universities ›› 2019, Vol. 35 ›› Issue (5) : 743 -744. DOI: 10.1007/s40242-019-1001-6

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Non-Aufbau Principle to Achieve High Stability Organic Luminescence Radicals

Benzhong Tang ¹^,^a

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Abstract

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.

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Benzhong Tang. Non-Aufbau Principle to Achieve High Stability Organic Luminescence Radicals. Chemical Research in Chinese Universities, 2019, 35(5): 743-744 DOI:10.1007/s40242-019-1001-6

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References

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[1]	Peng Q M, Obolda A, Zhang M, Li F. Angewandte Chemie International Edition, 2015, 54: 7091.

[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: 536.

[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.