THE AGGREGATION PROPERTIES OF ZINC PHTHALO CYANINES IN THF H2O MIXED SOLVENT

doi:10.7517/j.issn.1674-0475.1997.03.241

Abstract

Abstract: The aggregation properties of zinc phthalocyanines substituted with alkoxy chain of various length were studied. It is believed that the driving force of aggregation is hydrophobic interaction. The critical solvent composition for aggregation cΦ and critical aggregate concentration CAC as well as average aggregate number (n) and aggregate constants (K) were determined. It was found that the phthalocyanine with straight long alkoxy chains prefer to form dimers in THF-H₂O mixed solvent, the longer the alkoxy chain, the stronger the aggregation tendency with higher aggregation constant.

Key words: phthalocyanine, aggregate, aggregate number, aggregate constant

DING Ximing, XIONG Guoxiang, XU Huijun. THE AGGREGATION PROPERTIES OF ZINC PHTHALO CYANINES IN THF H₂O MIXED SOLVENT[J]. Imaging Science and Photochemistry, 1997, 15(3): 241-246.

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THE AGGREGATION PROPERTIES OF ZINC PHTHALO CYANINES IN THF H₂O MIXED SOLVENT

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