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R. K. Zaidan

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Open access Sep 2026

Synthesis, Photophysical, and Electrochemical Characterization of Coumarin-Chalcone Derivatives and Their Al(III), Fe(III), Ni(II), and Zn(II) Complexes.

Two new chalcones derived from coumarin and their corresponding Al(III), Fe(III), Ni(II), and Zn(II) complexes were synthesized. UV-visible absorbance spectra showed ligand-centered π → π* transitions, reducing optical band gaps from 3.20 eV for parent coumarin to 2.94-3.16 eV after conjugation. Solvent polarity also a...

Walaa Saeed Abaas, M. Mahdi, Abdulkarim-Talaq Mohammad et al. · 0 citations

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