Novel Nonlinear Optical Material DDA Shows Promise for Photonic Applications
2,4-Dimethyl-N-(E)-3,4-dimethoxybenzylidene aniline (DDA) exhibits strong nonlinear optical properties, making it suitable for photonic applications. This study highlights the synthesis and characterization of DDA single crystals, which have not been previously reported.
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The organic compound 2,4-dimethyl-N-(E)-3,4-dimethoxybenzylidene aniline (DDA) was synthesized using the slow evaporation solution growth technique. Characterization confirmed the crystal belongs to space group C2/c, with a melting point of 293 °C.
The material demonstrated high optical transparency of 90% and blue light emission, indicating potential for optoelectronic applications. Key nonlinear optical parameters were calculated, including first order hyperpolarizability at 1.1086 × 10 esu, revealing a high degree of anisotropy.
Density functional theory (DFT) calculations provided insights into the electronic structure, including HOMO and LUMO energies. The findings suggest that DDA is a promising candidate for photonic devices due to its unique properties.
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