Synthesis, structure, optical, and electrochemical properties of the chromophore cyclometalated iridium(III) complex
- 作者: Smirnov D.E.1, Bezzubov S.I.1
-
隶属关系:
- Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences
- 期: 卷 51, 编号 8 (2025)
- 页面: 510-518
- 栏目: Articles
- URL: https://journals.rcsi.science/0132-344X/article/view/306954
- DOI: https://doi.org/10.31857/S0132344X25080038
- EDN: https://elibrary.ru/lfbnph
- ID: 306954
如何引用文章
详细
A new N-donor ligand, methyl 4-(1-methyl-1H-perimidin-2-yl)nicotinate, and the corresponding octahedral cationic iridium(III) complex (1) were designed and synthesized. 1-Benzyl-2-phenyl[2,3]naphthimidazole was used as a cyclometalated ligand; PF6– served as a counterion. Compound 1 was characterized by 1H, 13C, 19F, 31P, 1H,1H-COSY, 1H,1H-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–1cm–1), translating in its deep color. Complex 1 demonstrates reversible electrochemical behavior at positive potentials with E1/2 = 0.58 V vs. EFc+/Fc. In terms of the key characteristics, the resulting compound surpasses most iridium analogs, and therefore appears promising for further testing in photovoltaic devices.
作者简介
D. Smirnov
Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences
Email: bezzubov@igic.ras.ru
俄罗斯联邦, Moscow, Russia
S. Bezzubov
Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences
编辑信件的主要联系方式.
Email: bezzubov@igic.ras.ru
俄罗斯联邦, Moscow, Russia
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