Synthesis, characterization and nonlinear optical properties of 2-[(E)-2-(4-ethoxyphenyl)ethenyl]-1-methylquinolinium 4-substitutedbenzenesulfonate compounds

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• 作者：Pumsak Ruanwas ; Tawanrat Kobkeatthawin ; Suchada Chantrapromma ; Hoong-Kun Fun ; Reji Philip ; N. Smijesh ; Mahesh Padaki ; Arun M. Isloor
• 关键词：Nonlinear optics ; Crystal structure ; Quinolinium ; Benzenesulfonate
• 刊名：Synthetic Metals
• 出版年：2010
• 出版时间：April 2010
• 年：2010
• 卷：160
• 期：7-8
• 页码：819-824
• 全文大小：658 K

文摘

In the present investigation, 2-[(E)-2-(4-ethoxyphenyl)ethenyl]-1-methylquinolinium 4-substituted benzenesulfonate (X = CH₃ (1), X = OCH₃ (2), X = Cl (3), X = Br (4)) have been synthesized and characterized by ¹H NMR, UV–Vis and FT-IR spectroscopy methods. In addition compound 3 was also characterized by single crystal X-ray diffraction (XRD) and found that it crystallized out in the monoclinic space group P2₁ with cell parameters, a = 9.8072(9) Å, b = 6.4848(5) Å, c = 19.4405(16) Å, α = 90°, β = 103.421(5)°, γ = 90°, z = 2 and V = 1202.61(17) Å³. The nonlinear optical absorption of the samples has been studied at 532 nm using 5 ns laser pulses, employing the open-aperture z-scan technique. It is found that some of the samples are potential candidates for optical limiting applications.