以3-乙酰基樟脑为辅助配体的新型聚合物红色磷光器件  

New-style polymer red phosphorescent device with 3-acetyl camphor as the ancillary ligand

作　　者：贾娟[1] 骆开均[2] 

机构地区：[1]安康学院化学化工系,陕西安康725000 [2]四川师范大学化学与材料科学学院,四川成都610068

出　　处：《光电子．激光》2014年第6期1049-1053,共5页Journal of Optoelectronics·Laser

基　　金：国家自然科学基金(21072141);安康学院高层次人才专项经费科研(2013AYQDZR05)资助项目

摘　　要：以新型环金属Ir(Ⅲ)配合物2-苯并噻吩吡啶(btp)2Ir3-乙酰基樟脑(acam)为磷光发光客体,掺杂在PVK+30%PBD主体材料中,制备了红色聚合物发光器件,同时测试了配合物在溶液中的紫外-可见光(UV-Vis)吸收光谱、光致发光(PL)光谱、PL效率、热稳定性和循环伏安曲线。结果表明,位阻基团acam的引入有效改善了配合物在溶液中的荧光光谱、量子效率。器件的测试结果显示,当掺杂浓度为5%时,电致发光(EL)光谱最大发射峰在623nm,启动电压为7.2V;在15.7V时器件最大亮度为4 127cd/m2,在11.6V时最大亮度效率为4.1cd/A,CIE色坐标值为(0.66,0.32)。The red polymer emitting device was made with new-style ring metal Ir（Ⅲ）complexes（btp）2Ir（acam）（＂btp＂is 2-benzo thiophene pyridine and＂acam＂is 3-acetyl camphor）as phosphorescence luminous object and mixed in host materials,PVK＋30%PBD.Meanwhile,the complexes′ultraviolet absorption light,photoluminescence light,photoluminescence efficiency,thermal stability and cyclic voltammograms cure in the solution were tested.The results show that the introduction of steric hindrance base group,3-acetyl camphor can improve the complexes′fluorescent light and quantum efficiency in the solution.The device′s test results show that with the doping concentration of 5%,the strongest emission peak of the electroluminescent spectra is located at 623nm and the trigger voltage is 7.2V.When it is15.7V,the greatest brightness of the device is 4127cd/m2,the greatest luminance efficiency is 4.1cd/A when it is 11.6V,and the color coordinates of CIE are（0.66,0.32）.

关 键 词：3-乙酰基樟脑(acam) 量子效率 红色磷光材料 

分 类 号：O625.8[理学—有机化学]