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Thio-bisnaphthalimides as Heavy-Atom-Free Photosensitizers with Efficient Singlet Oxygen Generation and Large Stokes Shifts: Synthesis and Properties

2016; American Chemical Society; Volume: 18; Issue: 21 Linguagem: Inglês

10.1021/acs.orglett.6b02902

1523-7060

Lei Zhang, Zhisong Huang, Dongdong Dai, Yansheng Xiao, Kecheng Lei, Shaoying Tan, Jiagao Cheng, Yufang Xu, Jianwen Liu, Xuhong Qian,

Perovskite Materials and Applications

By structure transformation of benzo[k,l]thioxanthene-naphthalimide derivatives (ND-S), a novel series of nonplanar thio-heterocyclic bisnaphthalimide derivatives are designed and synthesized. They display high molar absorptivity and large Stokes shifts. They are also heavy-atom-free photosensitizers with high singlet oxygen quantum yields of 0.75 and 0.82. Thus, these new structures based on the naphthalimide skeleton have great potential for singlet oxygen applications.