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RAS Chemistry & Material ScienceКоординационная химия Russian Journal of Coordination Chemistry

  • ISSN (Print) 0132-344X
  • ISSN (Online) 3034-5499

Synthesis, Structure, Optical, and Electrochemical Properties of the Chromophore Cyclometalated Iridium(III) Complex

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PII
S3034549925080038-1
DOI
10.7868/S3034549925080038
Publication type
Article
Status
Published
Authors
S.I. Bezzubov
  • Affiliation: Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences
Volume/ Edition
Volume 51 / Issue number 8
Pages
510-518
Abstract
A new N-donor ligand, methyl 4-(1-methyl-1H-perimidin-2-yl)nicotinate, and the corresponding octahedral cationic iridium(III) complex (I) were designed and synthesized. 1-Benzyl-2-phenyl[2,3]naphthimidazole was used as a cyclometalated ligand; PF served as a counterion. Compound I was characterized by H, C, F, P, H,H-COSY, H,H-NOESY NMR, high-resolution mass spectrometry and X-ray diffraction. As a result of the combination of ligands containing a large conjugated system around the metal ion, the target complex exhibits light absorption up to 700 nm (ε ~ 1000 M·cm), translating in its deep color. Complex I demonstrates reversible electrochemical behavior at positive potentials with E = 0.58 V vs. E. In terms of the key characteristics, the resulting compound surpasses most iridium analogs, and therefore appears promising for further testing in photovoltaic devices.
Keywords
рентгеноструктурный анализ лиганды электронные спектры
Date of publication
15.08.2025
Year of publication
2025
Number of purchasers
0
Views
46

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