Pillararenes as Versatile Building Blocks for Fluorescent Materials,Accounts of Materials Research

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Pillararenes as Versatile Building Blocks for Fluorescent Materials
Accounts of Materials Research ( IF 14.0 ) Pub Date : 2022-05-26 , DOI: 10.1021/accountsmr.2c00063
Huangtianzhi Zhu ₁ , Qi Li ₁ , Weijie Zhu ₁ , Feihe Huang _{1,

2,

3}

Affiliation

Fluorescent materials have received more and more attention in the past few decades because of their great potentials in the fields of luminescent devices, sensing, data storage, bioimaging, and other optical applications. Fluorescent materials comprising organic molecules are of broad interest owing to their highly tunable emission. Initial studies on organic fluorescent materials were mainly focused on the design and covalent modification of fluorophores in order to improve their photophysical properties at the molecular level, whereas in recent decades, many studies have revealed that the intermolecular or intramolecular noncovalent interactions also play a crucial role in luminescence. For example, the modulation of noncovalent interactions in aggregates and self-assemblies was proven to be capable of adjusting aggregation-induced emission (AIE)-active fluorophores by the restriction of intramolecular motions (RIM). In addition, in the crystalline state, intermolecular noncovalent interactions are able to promote phosphorescence by decreasing nonradiative decays.

中文翻译：

柱芳烃作为荧光材料的多功能构建块

近几十年来，荧光材料因其在发光器件、传感、数据存储、生物成像和其他光学应用领域的巨大潜力而受到越来越多的关注。包含有机分子的荧光材料由于其高度可调的发射而受到广泛关注。对有机荧光材料的初步研究主要集中在荧光团的设计和共价修饰，以在分子水平上改善其光物理性质，而近几十年来，许多研究表明分子间或分子内的非共价相互作用也起着至关重要的作用在发光。例如，聚集体和自组装体中非共价相互作用的调节被证明能够通过限制分子内运动 (RIM) 来调节聚集诱导发射 (AIE) 活性荧光团。此外，在结晶状态下，分子间的非共价相互作用能够通过减少非辐射衰变来促进磷光。

更新日期：2022-05-26

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