Growth and characterization of a new potential NLO material from the amino acid family— l-prolinium picrate

• Published in: Journal of crystal growth 2008-07, Vol.310 (15), p.3535-3539
• Main Authors: Martin Britto Dhas, S.A., Bhagavannarayana, G., Natarajan, S.
• Format: Article
• Language: English
• Subjects: A1. X-ray diffraction; A2. Growth from solution; B1. Organic compound; B2. Nonlinear optical materials; Cross-disciplinary physics: materials science; rheology; Exact sciences and technology; Fundamental areas of phenomenology (including applications); Growth from vapor; Materials science; Methods of crystal growth; physics of crystal growth; Nonlinear optical crystals; Optical materials; Optics; Physics; Theory and models of crystal growth; physics of crystal growth, crystal morphology and orientation
• ISSN: 0022-0248; 1873-5002
• DOI: 10.1016/j.jcrysgro.2008.04.049

l-prolinium picrate (C 5H 10NO 2) +. (C 6H 2N 3O 7) −, an organic nonlinear optical (NLO) material possessing a large second harmonic generation (SHG) efficiency (74 times higher than that of the standard KDP) was grown by slow evaporation method. The identity of the crystals was confirmed by using single-crystal X-ray diffraction. The crystalline perfection was studied by multicrystal X-ray diffractometer. Fourier transform infrared (FTIR) spectroscopic studies, optical behavior such as UV–visible–NIR absorption and SHG conversion efficiency were investigated to explore the NLO characteristics of the above material. The structural features of the material leading to the large SHG efficiency are discussed. Microhardness measurements and dielectric studies of the compound were also carried out.