1-二茂铁基-3-(4-二甲氨基苯基)丙烯酮的合成及三阶非线性光学性质研究

合成一种新的潜在应用的非线性光学(NLO)有机材料1-二茂铁基-3-(4-二甲氨基苯基)丙烯酮(FDAK)且通过1H NMR、IR、MS和元素分析表征。同时采用粉末Nd:YAG激光技术测定了标题化合物的三阶非线性光学性质并确定了相关参数。纳秒实验结果:折射率n2=-1.9×10-17 m2/W,吸收系数β=-7.7×10-11 m/W,极化率χ(3)=1.07×10-11 esu,分子超极化率γ=4.67×10-31 esu;皮秒实验结果:n2=2.5×10-19 m2/W,β=-5.9×10-12 m/W,γ=1.13×10-31 esu,χ(3)=2.0×10-13 esu。目标化合物的热稳定性见DSC曲线。

含查尔酮结构的光敏性二胺合成

The synthesis of photosensitive 1-(3-aminophenyl)-3-(4-aminophenyl)-2-propen-1-one(Ⅵ) was carried out by an adol condensation reaction of 3-acetylacetanilide and 4-acetamidobenzaldehyde using NaOH solution as catalyst with total yield of 61.9%. The optimum synthesis conditions were obtained. The method has the advantages of low cost, high yield and easy operation. The target compound was characterized by elemental analysis, IR and NMR. Its maximal UV-Vis absorption is at 349 nm.

芘基查尔酮的合成及三阶非线性光学性质

合成了一种新的具有潜在应用价值的非线性光学(NLO)有机材料1-(芘-1-基)-3-(4-二甲氨基苯基)丙烯酮(PMAK),并通过NMR、IR、MS和元素分析等技术手段进行了表征。采用溶液Nd∶YAG激光技术测定了PMAK的三阶非线性光学性质并确定了相关参数。纳秒实验结果:折射率n2=-3.5×10-17m2/W,吸收系数β=7.0×10-10m/W,极化率χ(3)=2.54×10-11esu,分子超极化率γ=3.44×10-30esu;皮秒实验结果:n2=-2.8×10-18m2/W,β=8.3×10-11m/W,χ(3)=2.49×10-12esu,γ=3.33×10-31esu。