CRYSTAL GROWTH AND ENHANCEMENT OF OPTICAL, AND ELECTROCHEMICAL PROPERTIES IN L-ASPARAGINE MONOHYDRATE ADMIXTURED WITH OXALIC ACID DIHYDRATE (1:1 RATIO) FOR OPTOELECTRONIC AND PHOTONIC APPLICATIONS

Single crystals of L-Asparagine monohydrate admixtured with oxalic acid dihydrate in a (1:1 molar ratio) were successfully synthesized through the slow solvent evaporation method. The optical properties of the grown crystals were investigated using UV-DRS analysis. The absorbance and transmittance spectra reveal high optical transmittance within the visible spectral range, characterized by a well-defined lower cut-off wavelength, indicating minimal optical loss. fundamental optical parameters, such as the extinction coefficient, refractive index, reflectance, and optical conductivity, were analyzed as a functions of incident photon energy, providing insights into the light matter interaction and electronic structure of the crystal. The electrochemical characteristics of the grown crystal were thoroughly examined using cyclic voltammetry (CV) and Electrochemical impedance spectroscopy (EIS). The cyclic voltammogram exhibits stable and reproducible electrochemical behaviour with no significant redox peaks, indicating good electrochemical stability and the absence of electroactive impurities within the measured potential window. The electrochemical impedence (EIS) measurements display a depressed semicircular arc, corresponding to the bulk response of the crystal and revealing non-Debye type relaxation behaviour.