Spectroscopic, thermal and mechanical studies on 4-methylanilinium p-toluenesulfonate – a new organic NLO single crystal

Shanmugam, Ganesh; Brahadeeswaran, S.

doi:10.1016/j.saa.2012.04.100

Cited by 110 publications

(19 citation statements)

References 33 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…In general, metastable zone width is determined from the difference between saturation temperature and nucleation temperature of a system [17]. Metastable zone width (MSZW) of a system is strongly influenced by several parameters, such as saturation temperature, solution concentration, mixture of the constituent elements in the solution, impurities present in the starting materials and the rate at which supersaturation is generated in the solution [18,19]. The solubility and metastable zone width of 2A5CP4AB in methanol solvent in a temperature range of 20°C to 40°C are depicted in Fig.…”

Section: Solubility and Metastable Zone Width Studiesmentioning

confidence: 99%

Studies on structure, growth and characterization of third order nonlinear optical 2-amino-5-chloropyridinium-4-amino benzoate single crystal

Krishnakumar

Thirupugalmani

Brahadeeswaran

2017

Materials Science-Poland

Self Cite

View full text Add to dashboard Cite

Optically transparent single crystals of 2-amino-5-chloropyridinium-4-amino benzoate (2A5CP4AB) were grown at room temperature using solution growth technique. The structure was solved with a support of single crystal XRD, which revealed that the title compound belongs to the monoclinic crystal system having centrosymmetric space group P21/n. The UV-Vis spectrum and photoluminescence properties of the title compound showed the optical transmittance and emission behavior of the compound. The optical band gap was evaluated using the Tauc plot and it was found to be about 3.53 eV. The third order nonlinear optical behavior of the crystal was determined using Z-scan technique. Mechanical properties of the title compound were studied using Vickers microhardness study.

show abstract

Section: Solubility and Metastable Zone Width Studiesmentioning

confidence: 99%

Studies on structure, growth and characterization of third order nonlinear optical 2-amino-5-chloropyridinium-4-amino benzoate single crystal

Krishnakumar

Thirupugalmani

Brahadeeswaran

2017

Materials Science-Poland

Self Cite

View full text Add to dashboard Cite

show abstract

“…High dielectric constant at low frequency is due to the prescence of all four polarizations namely electronic, ionic, space charge and orientation. Low value at higher frequency is due to significant loss of these polarizations 21 . Fig.…”

Section: Dielectric Studiesmentioning

confidence: 99%

Growth and Characterization of Urea L-valine a Organic Non Linear Optical Crystals

Jayaprakash¹,

Kumaradass²

2013

Orient. J. Chem

View full text Add to dashboard Cite

introductionThe search for new organic nonlinear optical crystals has been of great interest because of their wide range of potential applications such as frequency doubling, optical switching, optical disk data storage, optical modulation, laser remote sensing and medical diagnostics. These materials attracting significant attention as they posses large nonlinear optical susceptibilities, ultrafast nonlinear response time, high laser damage threshold and scope for introducing desirable characteristics by multifunctional substitutions [1][2][3] AbStrActSingle crystals of new organic nonlinear optical material urea L-valine were grown by slow eveporation solution growth technique at room temperature.Elemental compostion percentages were analysed using CHN study. Crystalline nature of the sample was confirmed by powder XRD. A functional group present in the crystal was identified using FT-IR spectral analysis. An optical transmittance study was also carried out for the crystal. Dielectric studies were performed with respect to temperature at various frequencies (50Hz-5MHz). Photoconductivity study reveals the negative photoconductivity nature of the crystal. Powder second generation efficiency of the crystal was studied using modified kurtz and perry technique. key words: Nonlinear, Powder X-ray diffraction, Optical, Dielectric, Photoconductivity, Single crystal XRD.years amino acids are playing a vital role in the nonlinear optical crystal growth. They individually exhibit nonlinear properties as they posses proton donor carboxyl acid (COO -) and proton acceptor amino (NH 3 ) group also in solid state they exist as zwitterions. Amino acid crystals play a major role in NLO applications such as L-valine, L-alanine,Lproline, L-leucine, L-histidine, L-arginine and L-phenylalanine. Worldwide urea and its derivatives are extensively used in crystal engineering and supramolecular chemistry for their flexibility in the synthesis of functional materials. Also for a long time it is used as a model system for crystals from solution growth and reference material in Powder SHG [3][4][5][6][7][8][9] .

show abstract

“…The molecular vibrations between molecular bonds such as symmetric and asymmetric stretching vibrations have raising the spectra of the compound as a¯ngerprint of the compound. [14][15][16][17][18][19] The recorded FTIR spectrum of BDLVP compound in the frequency region 400-4000 cm À1 is shown in Fig. 3.…”

Section: Fourier Transforms Infrared Spectrummentioning

confidence: 99%

“…UV-visible spectrum of the material provides the information about its molecular structure from its -Ã and -Ã electronic transitions. 14 The optically polished BDLVP crystal was used for recording the spectrum and it is shown in Fig. 5.…”

Section: Linear and Nonlinear Optical Studiesmentioning

confidence: 99%

Synthesis, Crystal Growth and Characterization of Bis Dl-Valine Picrate Single Crystal for Second-Order Nonlinear Optical Applications

Silambarasan

Kumar

Sudhahar

et al. 2013

J. Mol. Eng. Mater.

View full text Add to dashboard Cite

An organic compound Bis DL-Valine picrate (BDLVP) was synthesized successfully and single crystal was grown by slow evaporation solution growth method. The presence of functional groups in the compound was identi¯ed by FTIR spectral analysis. Single crystal X-ray di®raction study revealed that the grown crystal belongs to P2 1 /n space group of monoclinic crystal system. Powder X-ray di®raction pattern was recorded to know the crystalline perfection of the grown crystal. The reaction mechanism, thermal decomposition stages and thermal stability of the grown crystal were studied by using TG/DTA analysis. From the UV-visible spectral study, the electronic band gap energy (E g Þ of the grown crystal was found to be 2.43 eV. The second harmonic generation (SHG) e±ciency of grown crystal was found to be 1.3 times higher than KDP crystal by using Kurtz powder SHG technique. The microhardness property of the grown crystal was examined by Vicker's microhardness test.

show abstract

Spectroscopic, thermal and mechanical studies on 4-methylanilinium p-toluenesulfonate – a new organic NLO single crystal

Cited by 110 publications

References 33 publications

Studies on structure, growth and characterization of third order nonlinear optical 2-amino-5-chloropyridinium-4-amino benzoate single crystal

Studies on structure, growth and characterization of third order nonlinear optical 2-amino-5-chloropyridinium-4-amino benzoate single crystal

Growth and Characterization of Urea L-valine a Organic Non Linear Optical Crystals

Synthesis, Crystal Growth and Characterization of Bis Dl-Valine Picrate Single Crystal for Second-Order Nonlinear Optical Applications

Contact Info

Product

Resources

About