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-methylbeen designed, synthesized and characterized. Its floatin...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-methylbeen designed, synthesized and characterized. Its floating monolayer film was spread bya dilute cliloroform solution onto the pure water subphase by using a NIMA TechnologyLB 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 orderhyperpolarizability(β) is evaluated to be 5.4× 10-28e.s.u. which is one of largest SHG material reported.展开更多
The porphyrins with long-chain substituents can form more highly ordered thin films byspin-coated technique.And they can also form monolayer films(LB films).The spectral changes in the solidfilms are related to the in...The porphyrins with long-chain substituents can form more highly ordered thin films byspin-coated technique.And they can also form monolayer films(LB films).The spectral changes in the solidfilms are related to the increase of the order of molecular assemblies.展开更多
文摘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-methylbeen designed, synthesized and characterized. Its floating monolayer film was spread bya dilute cliloroform solution onto the pure water subphase by using a NIMA TechnologyLB 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 orderhyperpolarizability(β) is evaluated to be 5.4× 10-28e.s.u. which is one of largest SHG material reported.
文摘The porphyrins with long-chain substituents can form more highly ordered thin films byspin-coated technique.And they can also form monolayer films(LB films).The spectral changes in the solidfilms are related to the increase of the order of molecular assemblies.