Synthesis, crystal growth, thermal and laser damage threshold properties of new Schiff base NLO material 4-Nitro-benzoic acid (3-ethoxy-2-hydroxy-benzylidene)-hydrazide

被引：17
作者：
Shankar, M. [1 ]
Raj, A. Dennis [2 ]
Jeeva, M. [3 ]
Purusothaman, R. [1 ]
Vimalan, M. [4 ]
Potheher, I. Vetha [1 ]
机构：
[1] Anna Univ, Univ Coll Engn, Dept Phys, Bharathidasan Inst Technol Campus, Tiruchirappalli 620024, Tamil Nadu, India
[2] Mookambigai Coll Engn, Dept Phys, Pudukkottai 622502, India
[3] Natl Inst Technol, Dept Chem, Tiruchirappalli 620015, Tamil Nadu, India
[4] Thirumalai Engn Coll, Dept Phys, Kilambi 631531, Kancheepuram, India
来源：
MATERIALS LETTERS | 2018年 / 232卷
关键词：
Schiff base; Organic material; Crystal growth; Molecular structure; Second harmonic generation; Thermal analysis; MOLECULAR-CRYSTALS;
D O I：
10.1016/j.matlet.2018.08.090
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Novel organic Schiff base nonlinear optical material 4-Nitro-benzoic acid (3-ethoxy-2-hydroxy-benzyli dene)-hydrazide (NEH) was synthesized and grown as single crystal by slow evaporation technique. The structure and unit cell parameter of NEH was confirmed by single crystal X-ray diffraction analysis and the crystal belongs to orthorhombic crystal system with noncentrosymmetric space group Pna2(1). Further both carbon and hydrogen NMR spectra confirm the formation of material and the presence of functional group was analyzed by Fourier Transform Infrared (FTIR) analysis. The optical absorption spectrum of the grown crystal shows the material has lower cut off wavelength at 320 nm. Thermal property of NEH was studied by TG/DTA analysis. The second harmonic nonlinear efficiency was accessed by Kurtz-Perry powder technique and it possesses an efficiency of 0.7 times that of standard KDP. The laser damage threshold of NEH crystal was found to be 3.22 GW/cm(2). (C) 2018 Elsevier B.V. All rights reserved.
引用
收藏
页码：113 / 117
页数：5
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