Studies on growth and characterization of (E)-N′-[4-(dimethylamino) benzylidene]-4-hydroxybenzohydrazide hemihydrate: a nonlinear optical material

Hydrazone compound ( E )- N ′-[4-(dimethylamino) benzylidene]-4-hydroxybenzohydrazide hemihydrate (DMABHBH) was synthesized and single crystals of DMABHBH were grown by solvent evaporation method at room temperature. Molecular structure of DMABHBH compound was confirmed by 1 H and 13 C nuclear magne...

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Published in:Journal of materials science. Materials in electronics 2019-02, Vol.30 (3), p.2638-2646
Main Authors: Subashini, A., Priyadharsani, Poornima, Thamaraiselvi, K., Veeramani, V., Rose, Priya, Philip, Reji, Stoeckli-Evans, Helen, Ramamurthi, K., Babu, R. Ramesh
Format: Article
Language:English
Subjects:
Absorptivity
Apertures
Characterization and Evaluation of Materials
Chemistry and Materials Science
Crystal growth
Crystal structure
Crystals
Fourier transforms
Functional groups
Hydrazones
Infrared analysis
KDP crystals
Luminous intensity
Materials Science
Microhardness
Molecular structure
NMR
Nonlinear optics
Nuclear magnetic resonance
Optical and Electronic Materials
Optical materials
Potassium phosphates
Second harmonic generation
Single crystals
X-ray diffraction
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Summary:Hydrazone compound ( E )- N ′-[4-(dimethylamino) benzylidene]-4-hydroxybenzohydrazide hemihydrate (DMABHBH) was synthesized and single crystals of DMABHBH were grown by solvent evaporation method at room temperature. Molecular structure of DMABHBH compound was confirmed by 1 H and 13 C nuclear magnetic resonance techniques. The presence of functional groups was confirmed by Fourier transform infrared and FT Raman spectral analyses. The X-ray crystal structure was elucidated at 173 K by single crystal X-ray diffraction and the results were compared with the corresponding values obtained at 298 K. The compound crystallizes in the chiral monoclinic space group P2 1 . Mechanical stability of the grown crystals was estimated from the Vicker’s microhardness test. Powder second harmonic generation efficiency of DMABHBH is about 1.1 times that of potassium dihydrogen phosphate. DMABHBH is found to show optical limiting behavior at high input light intensities, the third order nonlinear optical absorption coefficient measured using open aperture Z-scan studies, is 0.95 × 10 −11  m/W. Anti-bacterial activity was studied using the well and disc diffusion methods.
ISSN:0957-4522
1573-482X
DOI:10.1007/s10854-018-0539-2