Materials Reports  2022, Vol. 36 Issue (Z1): 21090264-5 |
| INORGANIC MATERIALS AND CERAMIC MATRIX COMPOSITES |
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| Synthesis, Crystal Structure and Study on Light-Physical Property of a Novel Iridium Complex [Ir(pmppy)2(Br2bpy)]PF6 |
| YAN Caixian, XU Mingming, CHEN Zhu'an, WANG Ziao, LIU Weiping, CHANG Qiaowen
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| State Key Laboratory of Advanced Technologies for Comprehensive Utilization of Platinum Metals, Kunming Institute of Precious Metals, Sino-Platinum Metals Co., Ltd., Kunming 650106, China |
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Abstract Anovel of cationic iridium complex [Ir(pmppy)2(Br2bpy)]PF6 (pmppy =2,5-diphenyl-4-methyl-pyridine, Br2bpy=4,4′-dibromo-2,2′-bipyridine) was successfully synthesized with pyridine compound as cyclometalated ligand, 4,4′-dibromo-2,2′-bipyridine as auxiliary ligand and hexafluorophosphate as equilibrium ions. The structure of the complex was characterized by elemental analysis, NMR, IR, MS and X-ray diffraction analysis. The ultraviolet-visible absorption and fluorescence spectra of the complex were measured, and the thermal stability of the complex was also investigated. The results show that complex was in the monoclinic system with a space group of C12/c1. A strong orange-emission at 601 nm was observed in photoluminescence absorption spectra of the compound.
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Published: 05 June 2022
Online: 2022-06-08
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| Fund:National Natural Science Foundation of China (21861023), Yunnan Science and Technology Program Project (202004AR040001, 2019FA047), the Central Government Guides Local Free Exploration Basic Research Projects (202207AA110006), and the Yunan Provincial Talent Cultivation Project for Technology Innovation (202205AD160053). |
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