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Aggregation-induced emission (AIE)-active molecules bearing singlet oxygen generation activities: the tunable singlet–triplet energy gap matters
- ZhangThese authors contributed equally to this work., Chengkai, Zhao, Yanqian, Li, Dandan, Liu, Jiejie, Han, Heguo, He, Daoyu, Tian, Xiaohe, Li, Shengli, Wu, Jieying, Tian, Yupeng
- Chemical communications 2019 v.55 no.10 pp. 1450-1453
- apoptosis, chemical communication, chemical compounds, chemical reactions, energy, photosensitizing agents, singlet oxygen
- Herein, a series of photosensitizers were constructed of α, β and γ-isomers of terpyridine and the corresponding N-methylation derivatives. Benefiting from the tunable singlet–triplet energy gap and aggregation-induced emission characteristics, two-photon active photosensitizers L2b and L2c showed relatively strong intersystem crossing facilitating ¹O₂ generation and cell apoptosis with near-infrared excitation.