Structural, linear optical, second and third-order nonlinear optical properties of two halogenated chalcone derivatives containing thiophene moiety

被引：0

作者：

Naik V.S. ^{[1
,4
]}

Patil P.S. ^{[2
]}

Gummagol N.B. ^{[2
]}

Wong Q.A. ^{[3
]}

Quah C.K. ^{[3
]}

Jayanna H.S. ^{[1
]}

机构：

[1] Department of Physics, Kuvempu University, Shankaraghatta, 577 451, Karnataka

[2] Department of Engineering Physics, K.L.E. Institute of Technology, Hubballi, 580 027, Karnataka

[3] X-ray Crystallography Unit, School of Physics, Universiti Sains Malaysia, Penang

[4] Department of Physics, Government First Grade College, Kumta, 581 343, Karnataka

来源：

Chemical Physics Letters | 2020年 / 761卷

关键词：

Chalcone derivatives; Density Functional Theory (DFT); Nonlinear optical (NLO) materials; Second Harmonic Generation (SHG); Single crystal X-ray diffraction; Z-scan technique;

D O I：

10.1016/j.cplett.2020.138051

中图分类号：

学科分类号：

摘要：

Two halogenated chalcones B3B2SC and C3B2SC were synthesized for NLO applications. Single-crystal X-ray diffraction, spectroscopic (NMR and FT-IR), thermal and DFT studies were performed. Both the crystals are crystallized in the monoclinic non-centrosymmetric Pn space group. The SHG efficiency of both the chalcones is higher than urea. The third-order NLO parameters, optical limiting and optical switching properties of the chalcones were investigated by Z-scan method using a CW laser at 532 nm. The experimental and computational linear and nonlinear optical studies revealed that both the chalcone are promising materials for NLO applications. © 2020 Elsevier B.V.

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