Organic Electroluminescent Materials Realizing Efficient Conversion from Electricity to Light
Organic Electroluminescent Materials Realizing Efficient Conversion from Electricity to Light
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DOI：
10.2494/photopolymer.29.305
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发表时间：
2016-06
影响因子：
0.8
通讯作者：
Katsuyuki Shizu;H. Kaji
中科院分区：
文献类型：
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作者：
Katsuyuki Shizu;H. Kaji
热激活延迟荧光（TADF）发光体由于其在有机电致发光二极管（OLED）中具有较高的电-光转换效率而受到越来越多的关注。TADF发光体的电光转换效率很大程度上取决于它们的辐射衰减速率和从三重态到激发单重态的跃迁速率。为了实现高性能的基于TADF的OLED，TADF发射器应该表现出快速的辐射衰减和快速的三重态到单重态转换。在这里，我们描述了一个合理的分子设计策略，这样的TADF发射器的理论和计算化学的基础上。我们的设计策略为实现高性能TADF基OLED提供了指导。
Thermally activated delayed fluorescence (TADF) emitters are attracting increasing attention because of their high electricity-to-light conversion efficiencies in organic light-emitting diodes (OLEDs). The electricity-to-light conversion efficiency of TADF emitters depends largely on their rates of radiative decay and transition from triplet to excited singlet states. To realize high-performance TADF-based OLEDs, TADF emitters should exhibit both rapid radiative decay and rapid triplet-to-singlet conversion. Herein, we describe a rational molecular design strategy for such TADF emitters based on theoretical and computational chemistry. Our design strategy provides a guideline for realizing high-performance TADF-based OLEDs.