A tetrahedral coordination compound for second-order nonlinear optics: synthesis,crystal structure and SHG of Zn(2-NH2py)2Cl2 |
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| Institution: | 1. Centre de Recherche du CHU Sainte-Justine, Montréal, Canada;2. Département d''orthophonie, Université du Québec A Trois-Rivières, Trois-Rivières, Canada;3. Ecole d''orthophonie et d''audiologie, Université de Montréal, Montréal, Canada;4. Service de Neurologie, CHUM Notre-Dame, Montréal, Canada;5. École Polytechnique, Université de Montréal, Montréal, Canada;6. IWK Health Center, Dalhousie University, Halifax, Canada;7. Département de Psychologie, Université de Montréal, Montréal, Canada |
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| Abstract: | A coordination compound with a tetrahedral molecular configuration, Zn(NH2py)2Cl2(2-NH2py=2-aminopyridine), was prepared. It is transparent in the visible region and shows second harmonic generation (SHG) effect 8.0 times as strong as that of KDP. X-ray single crystal structure analysis reveals that all Zn(NH2py)2Cl2 molecules are aligned in a fully parallel direction. The advantages and disadvantages of tetrahedral zinc coordination compounds as nonlinear optical (NLO) materials are discussed. The results may represent a novel strategy for designing a new class of transparent NLO materials. |
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