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<p>A slow evaporation method was employed to grow novel organic <span>DL</span>-alanine fenamate (DAF) single crystals at room temperature (30&#xa0;°C) for the first time. Here, fenamic acid and <span>DL</span>-alanine are the precursors and after dissolving them in acetonitrile solvent in a 1:1&#xa0;mol ratio, DAF crystals were produced. Single-crystal XRD studies were used to characterize the grown DAF crystal to find triclinic structure. The elements in the sample were confirmed by EDAX analysis and FTIR spectral investigation confirms the presence of functional groups in the DAF crystal. To find the optical band gap, the UV–visible spectra were analyzed and furthermore, linear optical characteristics were estimated. With Tauc’s plot, the band gap of DAF crystal is estimated to be 6.3&#xa0;eV. An intense blue emission at 445&#xa0;nm is visible in the photoluminescence spectrum measured for the formed crystal, suggesting that can be useful for fluorescence in blue LED application. To determine the material’s thermal stability, TG/DTA studies were conducted and this sample is thermally stable up to 180&#xa0;°C. To determine the DAF crystal’s specific capacitance value, cyclic voltammetric (CV) research was conducted and the mean value of the specific capacitance was observed to be 65&#xa0;F/g. Because of the sample’s high specific capacitance, <span>DL</span>-alanine fenamate single-crystal material shows the promise as an electrode material for high-performance capacitors. The bulk resistance and the grain boundary value of the DAF single crystal have been obtained using impedance analysis. The outcome and the analysis of several research techniques for the developed DAF single crystal are detailed in this paper.</p>

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Growth and studies of DL-alanine fenamate single crystals for optoelectronic and supercapacitor applications

  • 期刊论文

  • 发表日期：

    2025年5月22日

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  • V. Mamitha,
  • S. Lincy Mary Ponmani,
  • P. Selvarajan

摘要

A slow evaporation method was employed to grow novel organic DL-alanine fenamate (DAF) single crystals at room temperature (30 °C) for the first time. Here, fenamic acid and DL-alanine are the precursors and after dissolving them in acetonitrile solvent in a 1:1 mol ratio, DAF crystals were produced. Single-crystal XRD studies were used to characterize the grown DAF crystal to find triclinic structure. The elements in the sample were confirmed by EDAX analysis and FTIR spectral investigation confirms the presence of functional groups in the DAF crystal. To find the optical band gap, the UV–visible spectra were analyzed and furthermore, linear optical characteristics were estimated. With Tauc’s plot, the band gap of DAF crystal is estimated to be 6.3 eV. An intense blue emission at 445 nm is visible in the photoluminescence spectrum measured for the formed crystal, suggesting that can be useful for fluorescence in blue LED application. To determine the material’s thermal stability, TG/DTA studies were conducted and this sample is thermally stable up to 180 °C. To determine the DAF crystal’s specific capacitance value, cyclic voltammetric (CV) research was conducted and the mean value of the specific capacitance was observed to be 65 F/g. Because of the sample’s high specific capacitance, DL-alanine fenamate single-crystal material shows the promise as an electrode material for high-performance capacitors. The bulk resistance and the grain boundary value of the DAF single crystal have been obtained using impedance analysis. The outcome and the analysis of several research techniques for the developed DAF single crystal are detailed in this paper.