
Citation: Li Hui, Wang Ke-Zhi, Huang Chun-Hui, Li Tian-Kai, Xu Ling-Ge, Zhao Xin-Sheng, Xie Xiao-Ming. Studies on Non-linear Optical Material of a Hemicyanine Dye Containing Rare Earth[J]. Acta Physico-Chimica Sinica, 1995, 11(02): 167-170. doi: 10.3866/PKU.WHXB19950214

English
Studies on Non-linear Optical Material of a Hemicyanine Dye Containing Rare Earth
A hemicyanine dye containing an amphiphilic rare earth complex anion 4-[(4-N,N’ -(diethyl amino)phenyl)ethenyl]-1-hexadecyl-pyridinnium-Tri(1-phenyl-3-methyl-4-benzyol-pyrazolone-5)-(4-dodeconoyl-1-phenyl-3-methyl-pyrozone-5) dysprosium been designed, synthesized and characterized. Its floating monolayer film was spread by a dilute chloroform solution onto the pure water subphase by using a NIMA Technology LB Though at room temperature. The π-A isotherm shows that the film formation property is improved and the multilayer films are homogeneous. The molecular second order hyperpolarizability(β) is evaluated to be 5.4×10-28e.s.u. which is one of largest SHG material reported.
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Key words:
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SHG
- / LB films
- / Rare earth

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