本工作合成了具有D-π-A-π-D对称结构的化合物2,5-双(对二甲氨基苯乙烯基)吡嗪.利用飞秒激光器研究了2,5-双(对二甲氨基苯乙烯基)吡嗪的双光子吸收特性,获得了在820nm处的最大双光子吸收截面(σ=212 GM).荧光发射强度与激发光强平方的线性关系证明了2,5-双(对二甲氨基苯乙烯基)吡嗪的双光子诱导发光机制.
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