通过Heck反应得到3个含有不同末端基团的对称型长共轭芴类衍生物(M1-M3),化合物结构通过NMR、IR和元素分析表征.测试了3个化合物THF溶液的紫外吸收光谱、荧光光谱和荧光量子产率,同时研究了它们在不同极性溶剂中的溶致变色效应.通过Z-扫描技术,得到3个化合物在不同入射激光能量下对应的非线性吸收系数β和双光子吸收截面σ.并对它们的皮秒光限幅性能进行了研究,结果发现M2和M3具有较好的光限幅性能.通过限幅机制分析,M2和M3的光限幅性能主要来源于双光子吸收机理.
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