Journal
CHEMICAL SCIENCE
Volume 9, Issue 40, Pages 7829-7834Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c8sc02810a
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Funding
- National Science Foundation of China [21788102, 21674040]
- National Basic Research Program of China (973 Program) [2013CB834701, 2013CB834702]
- Innovation and Technology Commission [ITC-CNERC14SC01, ITCRD/17-9]
- Research Grants Council of Hong Kong [16305015, 16308016, N-HKUST604/14, A-HKUST605/16, C2014-15G]
- Science and Technology Plan of Shenzhen [JCYJ20160229205601482]
- Hong Kong Scholars Program [XJ2016008]
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The development of new aggregation-induced emission (AIE) systems is a hot research topic, from which functional materials with diversified structures and properties are derived. Here, based on rare, non-emissive and highly electron-withdrawing heteroaromatics of 1,4,5,8-tetraazaanthracene (TAA), experimental and theoretical studies reveal that attaching phenyl rotors to TAA is crucial to creating a new N-type AIE core structure. Furthermore, by covalent attachment of electron-donating aromatic amines to the peripheries of the AIE core, red AIEgens could be obtained readily, which exhibit excellent photostability for long-term lysosome tracking. This work not only provides a new strategy to design heterocycle-containing AIEgens from non-emissive heteroaromatics but also stimulates more their applications as bio-imaging materials.
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