The investigation of second harmonic generation from novel molecules [(E)-N-alkyl-4-{2-[4-(dialkylamino)phenyl]ethenyl}pyridazinium iodide]

被引：13
|
作者：
Cheng, TR
Huang, CH [1 ]
Gan, LB
Luo, CP
Yu, AC
Zhao, XS
机构：
[1] Beijing Univ, State Key Lab Rare Earth Mat Chem & Applicat, Beijing 100871, Peoples R China
[2] Beijing Univ, Dept Chem, Beijing 100871, Peoples R China
来源：
JOURNAL OF MATERIALS CHEMISTRY | 1998年 / 8卷 / 04期
关键词：
D O I：
10.1039/a707724f
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
(E)-N-Methyl-4-{2-[4-(dihexadecylamino)phenyl]ethenyl}pyridazinium iodide (MHPd), (E)-N-octadecyl-4-{2-[4-(dimethylamino)phenyl] ethenyl}pyridazinium iodide (OMPd), (E)-N-octadecyl-4-{2-[4-(diethylamino)phenyl]ethenyl} pyridazinium iodide (OEPd), (E)-N-octadecyl-4-{2-[4-(dibutylamino)phenyl]ethenyl}pyridazinium iodide (OBPd) have been designed and synthesized. Their Langmuir-Blodgett him forming properties and second harmonic generation were studied. According to the results observed, MHPd is the best among the four congeners. By comparing the NLO properties of OMPd with those of a known compound, OMPy [(E)-N-octadecyl-4-{2-[4-(dimethylamino)phenyl]ethenyl}pyridinium iodide], the impairing effect of the second nitrogen in the six-membered pyridazine ring was examined experimentally and theoretically.
引用
收藏
页码：931 / 935
页数：5
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