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- Title
Growth and Characterization of Organic 2,4-Dinitroaniline Single Crystals for Optical Applications.
- Authors
Prince, S.; Suthan, T.; Gnanasambandam, C.
- Abstract
Organic 2,4-dinitroaniline single crystals were successfully grown by slow evaporation solution growth technique. Single-crystal and powder X-ray diffraction studies were used to confirm the crystal structure. Fourier transform infrared (FTIR) and FT-Raman spectral analyses confirmed the presence of various functional groups in the grown crystal. The UV-Vis-NIR studies show that the cut-off wavelength is around 447 nm. The optical parameters such as optical band gap, Urbach energy, steepness parameter and electron-phonon interaction were calculated. The photoluminescence studies show green light emission. The thermogravimetric and differential thermal analyses expose the melting and decomposition points of the grown 2,4-dinitroaniline single crystal. The kinetic parameters such as the activation energy, frequency factor, entropy, enthalpy and Gibbs free energy were calculated by Coats Redfern and Horowitz-Mertzger methods. The dielectric studies were analyzed by the parallel plate capacitor method using the Agilent LCR meter. The electrical parameters such as plasma energy, Penn gap and Fermi energy of the grown single crystal were calculated. The third-order nonlinear optical properties of 2,4-dinitroaniline were measured using the Z-scan technique, with a 532-nm diode-pumped continuous wave (CW) Nd:YAG laser. 2,4-dinitroaniline single crystal
- Subjects
SINGLE crystals; SEMICONDUCTOR lasers; GIBBS' free energy; BAND gaps; DIFFERENTIAL thermal analysis; X-ray powder diffraction
- Publication
Journal of Electronic Materials, 2022, Vol 51, Issue 4, p1639
- ISSN
0361-5235
- Publication type
Article
- DOI
10.1007/s11664-022-09428-7