meso-Arylethynyl subporphyrins as efficient and tunable photo-induced electron transfer units

被引：5
作者：
Cha, Won-Young [1 ]
Oh, Juwon [1 ]
Kitano, Masaaki [2 ]
Osuka, Atsuhiro [2 ]
Kim, Dongho [1 ]
机构：
[1] Yonsei Univ, Dept Chem, Shinchon Dong 134, Seoul 120749, South Korea
[2] Kyoto Univ, Grad Sch Sci, Dept Chem, Sakyo Ku, Kyoto 6068502, Japan
来源：
JOURNAL OF PORPHYRINS AND PHTHALOCYANINES | 2017年 / 21卷 / 02期
基金：
新加坡国家研究基金会;
关键词：
subporphyrins; intramolecular charge transfer; time-resolved spectroscopy; quantum calculations; ARYL-SUBSTITUTED SUBPORPHYRINS;
D O I：
10.1142/S1088424617500249
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Excited state dynamics of meso-arylethynyl-substituted subporphyrins can be tuned by 4-substituent at the arylethynyl group and solvent polarity. In polar acetonitrile, phenylethynyl subporphyrin 1 exhibited enhanced fluorescence, while (4-dimethylaminophenyl) ethynyl subporphyrin 2 showed red-shifted fluorescence from its charge-separated state and (4-nitrophenyl) ethynyl subporphyrin 3 displayed efficient fluorescence quenching due to charge separation.
引用
收藏
页码：152 / 157
页数：6
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