摘要
以吡啶类化合物为环金属配体,4,4′⁃二溴⁃2,2′⁃联吡啶为辅助配体,PF_(6)^(-)为抗衡离子,成功合成了一种新型阳离子型环金属铱配合物[Ir(pmppy)_(2)(Br_(2)bpy)]PF_(6)(pmppy=2,5⁃二苯基⁃4⁃甲基吡啶,Br_(2)bpy=4,4′⁃二溴⁃2,2′⁃联吡啶)。通过元素分析、核磁共振谱、红外光谱、质谱分析及X单晶衍射对配合物的结构进行了表征。测试了配合物的紫外⁃可见吸收光谱和荧光光谱,同时考察了配合物的热稳定性。结果表明:配合物为单斜晶系、C12/c1空间群;配合物在二氯甲烷溶液状态下为橙光发射,最大发射波长为601 nm。
Anovel of cationic iridium complex[Ir(pmppy)_(2)(Br_(2)bpy)]PF_(6)(pmppy=2,5-diphenyl-4-methyl-pyridine,Br_(2)bpy=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.
作者
晏彩先
许明明
陈祝安
王姿奥
刘伟平
常桥稳
YAN Caixian;XU Mingming;CHEN Zhuan;WANG Ziao;LIU Weiping;CHANG Qiaowen(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)
出处
《材料导报》
EI
CAS
CSCD
北大核心
2022年第S01期97-101,共5页
Materials Reports
基金
国家自然科学基金(21861023)
云南省转制科研院所技术开发研究专项(202004AR040001,2019FA047)
中央引导地方自由探索类基础究项目(202207AA110006)
云南技术创新人才培养项目(202205AD160053)
关键词
LEC
离子型铱配合物
晶体结构
光物理性能
light-emitting electrochemical cells
cationic iridium(Ⅲ)complex
crystal structure
light-physical property
