磷光
光致发光
超分子化学
聚集诱导发射
固态
化学
晶体结构
结构异构体
光化学
结晶学
材料科学
荧光
立体化学
物理化学
光电子学
物理
量子力学
作者
Marco Schmiedtchen,Iván Maisuls,Christoph Wölper,Cristian A. Strassert,Jens Voskuhl
标识
DOI:10.1002/cptc.202300209
摘要
Abstract In this contribution, we describe a library of nine different molecular asterisks, all based on aromatic thioethers. Here, the substitution patterns of the central core unit bearing two nitriles and the rotors featuring methoxy groups were permuted. In addition, the photophysical properties in the solid and aggregated state were investigated. X‐ray diffractometry confirmed the molecular structures. In this frame, the molecular packing in the crystal lattice of the two polymorphs of mNoM was extensively studied and a correlation between photoluminescence and secondary interactions was evaluated. In the solid state, all compounds showed emission in the yellow to red part of the electromagnetic spectrum (555–644 nm) with lifetimes of up to 25 μs and photoluminescence quantum yields of up to 47 %, depending on the substitution pattern. As all the evaluated compounds perform as good emitters with aggregation‐induced phosphorescence (AIP), these compounds can be regarded as multivalent platforms for future applications in supramolecular assemblies or as biomedical labels due to the versatile substitution patterns, manifold geometries as well as appealing photophysical properties.
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