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<p>This investigation explores the impact of synthesized cerium oxide nanoparticles (CeO<sub>2</sub> NPs) on the solvatochromic behaviour and fluorescence resonance energy transfer (FRET) of the compound 5-phenyl-1-pyridine-3-yl-penta-2,4-dien-1-one in various solvents. The dipole moments of this compound have been estimated using theoretical and experimental methods. Furthermore, the analysis of CeO<sub>2</sub> NPs concentration on the organic fluorophore was conducted using the Benesi–Hildebrand equation, the findings indicated a substantial transfer of energy between CeO<sub>2</sub> NPs and 5PPD.</p>

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Spectroscopic and Computational Analysis of 5PPD-CeO2: Insights from Fluorescence Quenching and FRET Studies

  • 期刊论文

  • 发表日期：

    2025年6月5日

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  • Kalpana Sharma,
  • Varsha V. Koppal,
  • Raviraj Kusanur,
  • Deepa H. K

摘要

This investigation explores the impact of synthesized cerium oxide nanoparticles (CeO2 NPs) on the solvatochromic behaviour and fluorescence resonance energy transfer (FRET) of the compound 5-phenyl-1-pyridine-3-yl-penta-2,4-dien-1-one in various solvents. The dipole moments of this compound have been estimated using theoretical and experimental methods. Furthermore, the analysis of CeO2 NPs concentration on the organic fluorophore was conducted using the Benesi–Hildebrand equation, the findings indicated a substantial transfer of energy between CeO2 NPs and 5PPD.