Product Details of 1692-25-7In 2019 ,《Red/Near-Infrared Thermally Activated Delayed Fluorescence OLEDs with Near 100 % Internal Quantum Efficiency》 was published in Angewandte Chemie, International Edition. The article was written by Chen, Jia-Xiong; Tao, Wen-Wen; Chen, Wen-Cheng; Xiao, Ya-Fang; Wang, Kai; Cao, Chen; Yu, Jia; Li, Shengliang; Geng, Feng-Xia; Adachi, Chihaya; Lee, Chun-Sing; Zhang, Xiao-Hong. The article contains the following contents:
Developing red thermally activated delayed fluorescence (TADF) emitters, attainable for both high-efficient red organic light-emitting diodes (OLEDs) and non-doped deep red/near-IR (NIR) OLEDs, is challenging. Now, two red emitters, BPPZ-PXZ and mDPBPZ-PXZ, with twisted donor-acceptor structures were designed and synthesized to study mol. design strategies of high-efficiency red TADF emitters. BPPZ-PXZ employs the strictest mol. restrictions to suppress energy loss and realizes red emission with a photoluminescence quantum yield (ΦPL) of 100±0.8 % and external quantum efficiency (EQE) of 25.2 % in a doped OLED. Its non-doped OLED has an EQE of 2.5 % owing to unavoidable intermol. π-π interactions. MDPBPZ-PXZ releases two pyridine substituents from its fused acceptor moiety. Although mDPBPZ-PXZ realizes a lower EQE of 21.7 % in the doped OLED, its non-doped device shows a superior EQE of 5.2 % with a deep red/NIR emission at peak of 680 nm. The results came from multiple reactions, including the reaction of Pyridin-3-ylboronic acid(cas: 1692-25-7Product Details of 1692-25-7)
Pyridin-3-ylboronic acid(cas: 1692-25-7) belongs to pyridine. Pyridines, quinolines, and isoquinolines have found a function in almost all aspects of organic chemistry. Pyridine has found use as a solvent, base, ligand, functional group, and molecular scaffold. As structural elements, these moieties are potent electron-deficient groups, metal-directing functionalities, fluorophores, and medicinally important pharmacophores. Product Details of 1692-25-7