Synthesis and photophysical properties of some PEG substitued titanyl phthalocyanine derivatives

被引：7
作者：
Kang, HJ
Kang, EH
Park, SW
Lee, JW
Lee, JK [1 ]
机构：
[1] Pusan Natl Univ, Dept Polymer Sci & Engn, Pusan 609735, South Korea
[2] Pusan Natl Univ, Dept Chem Engn, Pusan 609735, South Korea
[3] Sogang Univ, Div Chem Engn, Seoul 121742, South Korea
来源：
MACROMOLECULAR SYMPOSIA | 2006年 / 235卷
关键词：
fluorescence; photodynamic therapy; titanyl pthalocyanine; UV-vis spectroscopy; water-soluble polymers;
D O I：
10.1002/masy.200650323
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Polyethylene glycol substituted titanyl phthalocyanine was prepared in two steps starting from phthalonitrile and characterized by FT-IR, UV-vis spectrophotometry, and fluorescence spectrophotometry. The titanyl phthocyanine derivatives (TiOPcs) showed high solubility in common organic solvents, such as, CH3Cl and DMF. These compounds decreased in absorbance intensity with increase of molecular weight of polyethylene glycol at maxima wavelength of visible range. The fluorescence spectra showed a fluorescence emission near 690 nm with a quantum yield of 0.05-0-32 (lambda(ex) = 625 nm).
引用
收藏
页码：195 / 200
页数：6
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