Zinc(II) and lead(II) phthalocyanines bearing thiadiazole substituents: Synthesis, characterization, photophysical and photochemical properties

被引：20
作者：
Demirbas, Umit [1 ]
Piskin, Mehmet [2 ]
Bayrak, Riza [3 ]
Durmus, Mahmut [4 ]
Kantekin, Halit [1 ]
机构：
[1] Karadeniz Tech Univ, Fac Sci, Dept Chem, Trabzon, Turkey
[2] Canakkale Onsekiz Mart Univ, Vocat Sch Tech Sci, Dept Food Technol, Canakkale, Turkey
[3] Sinop Univ, Vocat Sch Hlth Serv, Dept Med Lab Tech, Sinop, Turkey
[4] Gebze Tech Univ, Fac Sci, Dept Chem, Kocaeli, Turkey
来源：
JOURNAL OF MOLECULAR STRUCTURE | 2019年 / 1197卷
关键词：
Phthalocyanine; Thiadiazole/; fluorescence; Singlet oxygen; Photostability; Photosensitizer; METAL-FREE; SPECTROELECTROCHEMICAL PROPERTIES; FILMS;
D O I：
10.1016/j.molstruc.2019.07.091
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
In this study; phthalonitrile compounds 4-((5-methyl-1,3,4-thiadiazol-2-yl)thio)phthalonitrile (4) and 3-((5-methyl-1,3,4-thiadiazol-2-yl)thio)phthalonitrile (5) were synthesized. These compounds were converted to their respective peripherally and non-peripherally tetra-substituted zinc(II) (6 and 7) and lead(II) (8 and 9) phthalocyanine derivatives. The novel phthalocyanine complexes were characterized by using different spectroscopic techniques including FT-IR, UV-Vis, H-1 NMR and mass. The spectroscopic, photochemical and photophysical properties of the phthalocyanines were investigated for determination of their potential as photosensitizers for photodynamic therapy. In addition, the effects of the substituent, binding position and the variety of central metal ions in phthalocyanine core on photochemical and photophysical properties were determined. (C) 2019 Elsevier B.V. All rights reserved.
引用
收藏
页码：594 / 602
页数：9
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