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- Title
Accessing Tunable Afterglows from Highly Twisted Nonaromatic Organic AIEgens via Effective Through‐Space Conjugation.
- Authors
Zheng, Shuyuan; Zhu, Tianwen; Wang, Yunzhong; Yang, Tianjia; Yuan, Wang Zhang
- Abstract
Nonaromatic, cross‐conjugated, and highly twisted luminogens consisting of acylated succinimides demonstrate aggregation‐induced emission characteristics along with tunable multicolor photoluminescence and afterglows in their single crystals. Effective through‐space conjugation among different moieties bearing n/π electrons promote the spin–orbit coupling and intersystem crossing and lead to diverse emissive clusters with concurrently rigidified conformations, thus allowing readily tunable emissions. Derived from it, the proof‐of‐concept application for advanced anti‐counterfeiting is illustrated. These results should spur the rational design of novel nonaromatic AIEgens, and moreover advance understandings of the non‐traditional intrinsic luminescence and the origin of tunable multicolor afterglows.
- Subjects
SINGLE crystals; SUCCINIMIDES; SPIN-orbit interactions; PHOTOLUMINESCENCE; LUMINESCENCE; ELECTRONS
- Publication
Angewandte Chemie, 2020, Vol 132, Issue 25, p10104
- ISSN
0044-8249
- Publication type
Article
- DOI
10.1002/ange.202000655