Published August 26, 2025 | Version v1
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Synthesis, Characterization, and Theoretical Calculation of a Copper Complex of 3-Hydroxy-2-methylquinolin-4-carboxylate and 1,10-Phenanthroline

  • 1. School of Chemistry and Chemical Engineering, Jinggangshan University, Ji'an 343009, PR China
  • 2. State Key Laboratory of High-Efficiency Utilization of Coal and Green Chemical Engineering, Yinchuan 750021, PR China
  • 3. Jiangxi Hongjing Pharmaceutical Co., Ltd, Ji'an 343009, PR China

Description

Acta Chim. Slov. 2025, 72, 573–580. DOI: 10.17344/acsi.2025.9384

Abstract

A copper complex containing mixed ligands [Cu(MCA)(Phen)·3H2O)] (HMCA = 3-hydroxy-2-methylquinoline-4-carboxylic acid, Phen = 1,10-phenanthroline) was prepared by the hydrothermal method. Structure was characterized by single crystal X-ray diffraction. Solid state fluorescence photoluminescence measurement shows a strong emission peak at 620 nm, which is attributed to the characteristic electronic transitions and molecular stacking effects within the ligand. CIE color difference analysis indicates that the title complex exhibits red photoluminescence (chromaticity coordinates of 0.1256, 0.2418). In addition, solid-state UV-Vis diffuse reflectance experiments revealed that the titled complex has an energy band gap of 1.578 eV.

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Other
Acta Chim. Slov. 2025, 72, 573–580
DOI
10.17344/acsi.2025.9384
PMID
41047967

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Journal article: 10.17344/acsi.2025.9384 (DOI)