Acene-Extended Triptycenes: Synthesis, Characterization, and Singlet Exciton Fission Properties

作者：Yuxiao Duan, Guowei Zhang, Xinyue Liu, Fenghui Shi, T.S. Wang, Hongchen Yan, Xu Hu, Lei Zhang · 发表于：The Journal of Organic Chemistry · 年份：2022 · DOI：10.1021/acs.joc.1c02693 · 被引用次数：18 · 研究领域：Luminescence and Fluorescent Materials、Synthesis and Properties of Aromatic Compounds、Photoreceptor and optogenetics research

Three acene-extended triptycenes, TIPS-Antrip, TIPS-Tetrip, and TIPS-Pentrip, which contain TIPS-ethynyl functionalized anthracene, tetracene, and pentacene as subunits, respectively, are synthesized and characterized. It is found that the optoelectronic properties and crystal packing motifs could be modulated by changing the subunits. A preliminary exploration of the excited-state behavior of these molecules indicates that TIPS-Tetrip and TIPS-Pentrip exhibit intramolecular singlet fission (iSF).