New conjugated meso-tetrathienylporphyrin-cored derivatives as two-photon photosensitizers for singlet oxygen generation

被引：17
|
作者：
Zhang, Xu [1 ]
Abid, Seifallah [1 ,2 ]
Shi, Limiao [1 ]
Sun, Zhipeng [1 ]
Mongin, Olivier [1 ]
Blanchard-Desce, Mireille [3 ]
Paul, Frederic [1 ]
Paul-Roth, Christine O. [1 ]
机构：
[1] Univ Rennes, INSA Rennes, CNRS, ISCR,UMR 6226, F-35000 Rennes, France
[2] Univ Carthage, Fac Sci Bizerte, Tunis, Tunisia
[3] Univ Bordeaux, CNRS, UMR 5255, Inst Sci Mol, F-33405 Talence, France
来源：
DYES AND PIGMENTS | 2018年 / 153卷
关键词：
Tetrathienyl porphyrin; Fluorenyl; Two-photon absorption; Luminescence; Oxygen sensitization; NONLINEAR-OPTICAL PROPERTIES; PHOTODYNAMIC THERAPY; CROSS-SECTIONS; ELECTROCHEMICAL PROPERTIES; MOLECULAR-STRUCTURE; ORGANIC MATERIALS; PORPHYRIN; ABSORPTION; DESIGN; SENSITIZERS;
D O I：
10.1016/j.dyepig.2018.01.028
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
A series of conjugated mesa-porphyrin dendrimers containing conjugated fluorenyl dendrons, incorporating overall either four (3) or eight (4) fluorenyl units have been synthesized and characterized. These new molecular architectures are based on a central meso-tetra(thien-2-yl)porphyrin core (IThP). Their linear optical properties, absorption and photoluminescence, as well as selected nonlinear optical properties, were investigated and compared to those of the unsubstituted meso-(thien-2-yl)porphyrin core (5) and also to those of previously reported analogues featuring 1,4-phenylene groups (1 and 2) in place of 2,5-thienylene moieties. The positive role of these thienylene linkers over phenylene linkers on the two-photon absorption (2PA) cross-sections is clearly evidenced.
引用
收藏
页码：248 / 255
页数：8
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