Crystal structure, Hirshfeld surface analysis and thermal behavior of diisopropylammonium succinate, a novel third-order
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Crystal structure, Hirshfeld surface analysis and thermal behavior of diisopropylammonium succinate, a novel third-order nonlinear optical crystal Mahak Vij1,2, Harsh Yadav3, Nikita Vashistha1,2, Manju Kumari1,2, Hemant Kumar Verma1,2, Prashant Kumar4, and K. K. Maurya1,2,* 1
Academy of Scientific and Innovative Research, CSIR- National Physical Laboratory, New Delhi 110012, India CSIR-National Physical Laboratory, Dr. K.S. Krishnan Road, New Delhi 110 012, India 3 Department of Physics, Shivaji College, University of Delhi, New Delhi, Delhi 110027, India 4 Department of Chemistry, SRM University, Delhi-NCR, Sonepat, Haryana 131029, India 2
Received: 20 April 2020
ABSTRACT
Accepted: 29 August 2020
The current research presents a novel third-order nonlinear optical single crystal named diisopropylammonium succinate by slow evaporation solution growth technique. Single-crystal X-ray diffraction and nuclear magnetic resonance techniques are utilized to validate the synthesis and formation of the titled crystal. The grown crystal belongs to monoclinic crystal system with space ˚ , b = 11.4818 group P21/n, and its lattice parameters are found to be a = 8.3660 A 1 13 ˚ ˚ A, c = 13.5239 A and b = 98.3810°. H NMR and C NMR revealed the hydrogen bonds present within the molecules of crystal. The 3D visualization of intermolecular interactions was understood by the color contour of Hirshfeld surface of the grown crystal. UV–Vis and photoluminescence spectroscopic techniques are employed to understand the linear optical behavior of the reported crystal. The thermal stability of the material is facilitated by thermogravimetric analysis and differential thermal analysis. The titled crystal is found to be stable up to 140 °C. The third-order nonlinear optical behavior is determined using the z-scan technique.
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Springer Science+Business
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Handling Editor: Maude Jimenez.
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https://doi.org/10.1007/s10853-020-05181-6
J Mater Sci
GRAPHIC ABSTRACT
Introduction The organic nonlinear optical compounds for a long time have attracted considerable attention of the researchers owing to their advantageous characteristics such as high nonlinear response and readiness to undergo structural modifications. Thus, the scientific research of such new materials is significant to enhance their applicability in the field of optical data storage, telecommunications, self-focusing, etc. [1–4]. Among various nonlinear optical (NLO) processes, third harmonic generation (THG) is the one that is associated with the centrosymmetric materials. Unlike the second harmonic generation (SHG), there is no limitation on the material to lack the center of symmetry for showing THG. Along with exhibiting other processes such as THG and two-photon absorption (TPA), the materials with third harmonic responses possess a pivotal position in most NLO
switching devices due to the intensity-dependent refractive index [5]. This provides the basis for extensive research
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