水-甲醇混合体系的超分子复合作用

doi:10.3866/PKU.WHXB20080830

Acta Phys. -Chim. Sin. ›› 2008, Vol. 24 ›› Issue (08): 1503-1506.doi: 10.3866/PKU.WHXB20080830

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Supramolecular Complexation in Water-Methanol Mixtures

ZHENG Bo; LI He-Xian; WANG Guo-Chang; LIU Kun; YUAN Wei; LI He; LIANG Bo

Key Laboratory of Functional Polymer Materials, Ministry of Education, Institute of Polymer Chemistry, Nankai University, Tianjin 300071, P. R. China

Received:2008-02-27 Revised:2008-04-18 Published:2008-08-06
Contact: WANG Guo-Chang E-mail:gcwang@nankai.edu.cn

Abstract

Abstract: The complex structures in the entire composition range of water-methanol mixture were studied by pyrene fluorescence probe. The results showed that the decrease rate of I1/I3, the pyrene scale for solvent polarity, exhibited clear dependence on the mole fraction (xm) range of methanol in the mixture, while the relative quantum yield of pyrene fluorescence showed a remarkable maximum at xm=0.18. These results revealed that in a wide range of 0.18

Key words: Water-methanol, Complex structure, Pyrene, Fluorescence probe, Hydrogen bond

MSC2000:

O642

ZHENG Bo; LI He-Xian; WANG Guo-Chang; LIU Kun; YUAN Wei; LI He; LIANG Bo. Supramolecular Complexation in Water-Methanol Mixtures[J].Acta Phys. -Chim. Sin., 2008, 24(08): 1503-1506.

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Supramolecular Complexation in Water-Methanol Mixtures

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