Abstract
The influences of the number of the ammonium groups and their arrangement manner on the photophysical properties of the quaternized zinc phthalocyanines were studied. The aggregation tendency, singlet oxygen generation ability and the fluorescence intensity properties of the quaternized zinc phthalocyanines were studied and compared. Results indicated that more quaternized ammonium groups and the straight chain arrangement manner for the quaternized zinc phthalocyanines can decrease aggregation degree and increase singlet oxygen generation and fluorescence intensity.
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