新型三线态喹喔啉铱(Ⅲ)配合物的微波合成及其光致发光  

Microwave-assisted synthesis and photoluminescence of a new triplet iridium(Ⅲ) quinoxaline complex

作　　者：吴秋华[1] 王传红[1] 宋溪明[1] 吴抒遥[1] 张国林[1] 

机构地区：[1]辽宁大学化学院绿色合成与先进材料制备化学辽宁省重点实验室,辽宁沈阳110036

出　　处：《化学试剂》2011年第2期111-113,共3页Chemical Reagents

基　　金：辽宁省自然科学基金资助项目(20051023)

摘　　要：在微波辅助加热下,4,4′-二氟-2,3-二苯基喹喔啉(DPQF)与水合三氯化铱(IrCl3.H2O)反应,合成了一种新型三环喹喔啉铱配合物[Ir(DPQF)3],通过1HNMR、元素分析和质谱方法对配合物结构进行了表征,并研究了配合物的吸收光谱和光致发光光谱。结果表明,配合物Ir(DPQF)3在391和453 nm处存在单线态1MLCT(金属到配体的电荷跃迁)和三线态3MLCT的吸收;在618 nm处有较强的金属配合物三线态的磷光发射,是一种新型红色磷光材料。A new cyclometalated iridium(Ⅲ) quinoxaline complex with the formula Ir(DPQF)3(DPQF=4,4′-difluoro-2,3-diphenylquinoxaline) was prepared by reaction of DPQF with iridium trichloride hydrate under microwave irradiation.The complex was characterized by elemental analysis,1HNMR,and mass spectroscopy.The complex showed strong 1MLCT(singlet metal to ligand charge-transfer) and 3MLCT(triplet metal to ligand charge-transfer) absorption at 391 nm and 453 nm,respectively.The complex also showed strong photoluminescence at 618 nm at room temperature.These test results suggest the complex to be a promising phosphorescent material.

关 键 词：磷光材料 喹喔啉铱配合物 三线态 微波合成 

分 类 号：O621[理学—有机化学]