Restriction of Intramolecular Vibration in Aggregation‐Induced Emission Luminogens: Applications in Multifunctional Luminescent Metal–Organic Frameworks

Butterfly‐like molecules of oxacalix[2]arene[2]pyrazine (OAP) are reported, which exhibit the typical characteristics of aggregation‐induced emission (AIE) via the restriction of intramolecular vibration (RIV) mechanism. Unlike any of the reported RIV‐type AIE molecules, the synthetic procedures of...

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Published inAngewandte Chemie Vol. 133; no. 41; pp. 22591 - 22597
Main Authors Liu, Yuan Yuan, Zhang, Xin, Li, Kai, Peng, Qiu Chen, Qin, Yu Jing, Hou, Hong Wei, Zang, Shuang Quan, Tang, Ben Zhong
Format Journal Article
LanguageEnglish
Published Weinheim Wiley Subscription Services, Inc 04.10.2021
Subjects
Agglomeration
aggregation-induced emission
calixarene
Catalysts
Chemistry
copper clusters
Emission
Information storage
Ligands
Luminescence
Metal-organic frameworks
Optical properties
Pyrazine
Vibration
White light
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Summary:Butterfly‐like molecules of oxacalix[2]arene[2]pyrazine (OAP) are reported, which exhibit the typical characteristics of aggregation‐induced emission (AIE) via the restriction of intramolecular vibration (RIV) mechanism. Unlike any of the reported RIV‐type AIE molecules, the synthetic procedures of which are complicated and have associated high costs, OAP AIEgens can be synthesized in a facile manner by a one‐step catalyst‐free reaction using commercially available materials. Notably, OAP AIEgens are ideal ligands for constructing metal–organic frameworks (MOFs) due to their built‐in pyrazine coordination sites. OAP‐based MOFs exhibit multiple potential applications in reversible gas response, encrypted information storage, and construction of white light‐emitting devices. This work builds on RIV‐type AIEgens, offers additional selections of bridging ligands for constructing luminescent MOFs and provides a visualized prototype to understand the effect of the RIV process on the luminescence properties of MOFs. Butterfly‐like oxacalix[2]arene[2]pyrazine molecules exhibit typical aggregation‐induced emission (AIE) characteristics through restriction of intramolecular vibrations. When used as ligands for the construction of MOFs, AIE luminogens (AIEgens) with multiple luminescence properties are produced.
ISSN:0044-8249
1521-3757
DOI:10.1002/ange.202108326