合成并表征了5种不对称五甲川菁染料,染料在甲醇中的最大吸收和荧光光谱在646-666 nm之间.光降解实验证明两端取代基结构呈不对称的染料,其光稳定性明显高于两端取代基结构对称的染料.染料荧光光谱和pH值的关系表明,染料中引入苯环取代基可以增强染料在酸性或碱性溶液中的稳定性.
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