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<p>This study reports the base-catalyzed Aldol condensation route for synthesizing a new naphthalene chalcone derivative (C1). The molecular structure of C1 was ascertained by FTIR, NMR (<sup>1</sup>H and <sup>13</sup>C NMR) spectroscopy, and mass spectrometry. Optical properties were explored through UV-Visible absorption and photoluminescence spectroscopy. The UV-Vis spectrum indicated the presence of absorption bands from 300 to 350&#xa0;nm due to π–π* transitions. In the solid state, C1 had a broad excitation that resulted in a solitary emission peak, whereas in solution, it emitted fluorescence at 495&#xa0;nm. Density Functional Theory (DFT) calculations were carried out to investigate the electronic configuration and optical properties further. These findings suggest that the synthesized compound may possess favorable properties in optoelectronic and sensing applications.</p>

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Synthesis and photophysical studies of new fluorescent naphthalene chalcone

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年8月28日

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  • Raksha C. H.,
  • Yogeesh M.,
  • Rajeev K. Sinha,
  • Nitinkumar S. Shetty

摘要

This study reports the base-catalyzed Aldol condensation route for synthesizing a new naphthalene chalcone derivative (C1). The molecular structure of C1 was ascertained by FTIR, NMR (1H and 13C NMR) spectroscopy, and mass spectrometry. Optical properties were explored through UV-Visible absorption and photoluminescence spectroscopy. The UV-Vis spectrum indicated the presence of absorption bands from 300 to 350 nm due to π–π* transitions. In the solid state, C1 had a broad excitation that resulted in a solitary emission peak, whereas in solution, it emitted fluorescence at 495 nm. Density Functional Theory (DFT) calculations were carried out to investigate the electronic configuration and optical properties further. These findings suggest that the synthesized compound may possess favorable properties in optoelectronic and sensing applications.