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

页码：335 / 337

页数：3

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