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利用具有小单重态-三重态能量交换的敏化主体的高效荧光有机发光器件。

High-efficiency fluorescent organic light-emitting devices using sensitizing hosts with a small singlet-triplet exchange energy.

机构信息

Key Lab of Organic Optoelectronics and Molecular Engineering of Ministry of Education, Department of Chemistry, Tsinghua University, Beijing, 100084, PR China.

出版信息

Adv Mater. 2014 Aug 6;26(29):5050-5. doi: 10.1002/adma.201401476. Epub 2014 Jun 18.

DOI:10.1002/adma.201401476
PMID:24944186
Abstract

Materials with small singlet-triplet splits (ΔEST s) are introduced as sensitizing hosts to excite fluorescent dopants, breaking the trade-off between small ΔEST and high radiative decay rates. A highly efficient orange-fluorescent organic light-emitting diode (OLED) is prepared, showing a maximum external quantum efficiency of 12.2%.

摘要

具有小单重-三重态能隙（ΔEST s）的材料被引入作为敏化主体来激发荧光掺杂剂，打破了小ΔEST 和高辐射衰减率之间的权衡。制备了一种高效的橙色荧光有机发光二极管（OLED），最大外量子效率为 12.2%。

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