Inhibition of J-aggregation of meso-tetra(4-sulfonatophenyl)porphyrin by an ionic liquid with π-conjugated character

被引：9
|
作者：
Wan, Qing-Xia [1 ]
Liu, Ye [1 ]
Wang, Sa-Sa [1 ]
机构：
[1] E China Normal Univ, Dept Chem, Shanghai Key Lab Green Chem & Chem Proc, Shanghai 200062, Peoples R China
来源：
MONATSHEFTE FUR CHEMIE | 2009年 / 140卷 / 03期
基金：
中国国家自然科学基金;
关键词：
Porphyrin; Ionic liquids; Aggregation; UV-visible spectrophotometer; SELF-AGGREGATION; PORPHYRIN; FLUORESCENCE; ABSORPTION; WATER;
D O I：
10.1007/s00706-008-0028-z
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
UV-visible spectral observations indicate that the J-aggregation of protonated meso-tetra(4-sulfonatophenyl) porphyrin ([H2TSPP](2+)) under acidic conditions is completely inhibited by the pi-pi counteraction between 1-butyl-pyridinium tetrafluoroborate ([bpy]BF4) and [H2TSPP](2+). The studies also suggest that the intermolecular pi-pi force is of relative importance for the J-aggregates of [H2TSPP](2+) and the intermolecular electrostatic force for the H-aggregates.
引用
收藏
页码：335 / 337
页数：3
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