Precise Regulation of Emission Maxima and Construction of Highly Efficient Electroluminescent Materials with High Color Purity,Angewandte Chemie International Edition

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Precise Regulation of Emission Maxima and Construction of Highly Efficient Electroluminescent Materials with High Color Purity
Angewandte Chemie International Edition ( IF 16.1 ) Pub Date : 2023-03-10 , DOI: 10.1002/anie.202301930
Qingyang Wang ₁ , Yincai Xu ₁ , Tingting Huang ₁ , Yupei Qu ₁ , Jianan Xue ₁ , Baoyan Liang ₂ , Yue Wang _{1,

3}

Affiliation

A nitrogen-atom embedding molecular engineering strategy is proposed and a series of congeners of BN-TP (a triphenylene core substituted with two di-tert-butylcarbazole motifs and coordinated with one boron atom), namely BN-TP-Nx (x=1, 2, 3, 4), are constructed. Anchoring the nitrogen-atom at different positions of triphenylene hexagonal lattice results in varying degrees of perturbation to the electronic structure. The newly-constructed multiple resonance induced thermally activated delayed fluorescence (MR-TADF) emitters demonstrate the precise regulation of emission maxima to meet industrial demand, and further enrich the MR-TADF molecular reservoir.

中文翻译：

发光最大值的精确调控与高色纯度高效电致发光材料的构建

提出了一种氮原子嵌入分子工程策略和 BN-TP 的一系列同系物（苯并菲核心被两个二叔丁基咔唑基序取代并与一个硼原子配位），即 BN-TP-N x ( x = 1, 2, 3, 4), 被构建。将氮原子锚定在苯并菲六方晶格的不同位置会导致电子结构发生不同程度的扰动。新构建的多重共振诱导热激活延迟荧光（MR-TADF）发射器展示了发射最大值的精确调节以满足工业需求，并进一步丰富了MR-TADF分子库。

更新日期：2023-03-10

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