浏览全部资源
扫码关注微信
西安近代化学研究所,陕西 西安,710065
纸质出版日期:2010-4-30,
网络出版日期:2010-4-30,
收稿日期:2009-11-20,
修回日期:1900-1-2,
扫 描 看 全 文
周 瑞, 宋新潮, 田 杰, 等. 新型蓝色有机电致磷光配合物二(2-二氟苯基-4-甲基吡啶) 合铱的合成及光谱学性能[J]. 发光学报, 2010,31(2):279-284.
ZHOU Rui, SONG Xin-chao, TIAN Jie, et al. Synthesis and Spectroscopic Properties of New Blue-phosphorescent Iridium Complexes Based on 2-difluorophenyl-4-methylpyridine and 2-(pyridyl-2-yl) Imidazole as Ligands[J]. Chinese Journal of Luminescence, 2010,31(2):279-284.
周 瑞, 宋新潮, 田 杰, 等. 新型蓝色有机电致磷光配合物二(2-二氟苯基-4-甲基吡啶) 合铱的合成及光谱学性能[J]. 发光学报, 2010,31(2):279-284. DOI:
ZHOU Rui, SONG Xin-chao, TIAN Jie, et al. Synthesis and Spectroscopic Properties of New Blue-phosphorescent Iridium Complexes Based on 2-difluorophenyl-4-methylpyridine and 2-(pyridyl-2-yl) Imidazole as Ligands[J]. Chinese Journal of Luminescence, 2010,31(2):279-284. DOI:
合成了三个以含氟苯基吡啶及吡啶基咪唑为配体的蓝色磷光电致发光铱配合物(
P
)
2
Ir(pym)
其中主配体(
P
)分别为2-(2'
4'-二氟苯基)-4-甲基吡啶、2-(3'
4'-二氟苯基)-4-甲基吡啶、2-(3'
5'-二氟苯基)-4-甲基吡啶;辅助配体pymH为2-(2'-吡啶基)咪唑。通过元素分析、核磁、质谱、红外进行结构表征;用紫外可见吸收光谱、荧光光谱以及循环伏安进行其光谱学性能表征。以pymH取代辅助配体picH(2-吡啶甲酸)的方法
得到含吡啶基咪唑的铱配合物
在室温下二氯甲烷溶液中获得强的蓝光发射
其最大发光波长分别是461
480
490 nm
其中(46f
2
pmpy)
2
Ir(pym)较经典蓝光磷光材料FIrpic蓝移5 nm。
Three new blue phosphorescent iridium complexes containing 2-(difluorophenyl)-4-methylpyridine as the cyclometalated ligands and 2-(pyridyl-2-yl)imidazole as an ancillary ligand have been synthesized and characterized. The complexes have the general structure (
P
)
2
Ir(pym)
where
P
is cyclometalating ligand 2-(2
4-difluorophenyl)-4-methylpyridine(24f
2
pmpyH)
2-(3
4-difluorophenyl)-4-methylpyridine (34f
2
pmpyH) and 2-(3
5-difluorophenyl)-4-methylpyridine (35f
2
pmpyH)
pym is 2-(pyridyl-2-yl) imida-zole (pymH). Their structures were identified by FTIR
1
H-NMR
MS and elemental analysis. The absorption
emission
and cyclic voltammetry of the complexes were systematically investigated. By replacing the ancillary ligand pic with pym can finely tune emission of the iridium complexes
showing blue luminescence wavelength peaked at 461
480
490 nm at room temperature in CH
2
Cl
2
. The (46f
2
pmpy)
2
Ir(pym) shows 5 nm blue shift in comparison with FIrpic in CH
2
Cl
2
solution.
铱配合物蓝色电致发光材料有机电致磷光材料
iridium complexesblue electroluminescent materialsorganic phosphorescent emitting materials
. Tang C W, VanSlyke S A. Organic electroluminescent diodes [J]. Appl. Phys. Lett., 1987, 51 (12):913-915.
. Jia Yong, Deng Zhenbo, Xiao Jing, et al. The effect of PBD as electron-transporting layer in Alq3 ∶ DCJTB organic light-emitting devices [J]. Chin. J. Lumin. (发光学报), 2008, 29 (1):23-26 (in English).
. Tang Xiaoqing, Yu Junsheng, Li Lu, et al. Effect of an ultrathin BCP layer on organic light-emitting devices performance [J]. Chin. J. Lumin. (发光学报), 2008, 29 (2):253-258 (in Chinese).
. Li Yangzhou, Teng Feng, Lei Yueqing, et al. Light-emitting properties of electrochemical cell(LEC) based on emitting material doped with DCJTB [J]. Chin. J. Lumin. (发光学报), 2008, 29 (3):425-428 (in Chinese).
. Baldo M A, OBrien D F, You Y, et al. Highly efficient phosphorescent emission from organic electroluminescent devices [J]. Nature, 1998, 395 (6698):151-154.
. Shen Fangzhong, Lu Ping, Qiu Song, et al. Highly efficient energy transfer system of phosporescence dye/board band gap semiconductor polymer [J]. Chin. J. Lumin.(发光学报), 2003, 24 (6):599-601 (in Chinese).
. Liu C B, Li J, Li B, et al. Triphenylamine-functionalized rhenium (I) complex as a highly efficient yellow-green emitter in electrophosphorescent devices [J]. Appl. Phys. Lett., 2006, 89 (24):243511-1-3.
. Adachi C, Kwong R C, Djurovich P, et al. Endothermic energy transfer: A mechanism for generating very efficient high-energy phosphorescent emission in organic materials [J]. Appl. Phys. Lett., 2001, 79 (13):2082-2084.
. Holmes R J, Forrest S R, Tung Y J, et al. Blue organic electrophosphorescence using exothermic host-guest energy transfer [J]. Appl. Phys. Lett., 2003, 82 (15):2422-2424.
. Yeh S J, Wu M F, Chen C T, et al. New dopant and host materials for blue-light-emitting phosphorescent organic electroluminescent devices [J]. Adv. Mater., 2005, 17 (3):285-288.
. Xu Maoliang, An Zhongwei, Wang Geyang, et al. Synthesis of α-(fluorophenyl)pyridine by palladium-catalyzed cross-coupling reaction [J]. Chin. J. Chem., 2008, 26 (6):1101-1104.
. Stupka G, Gremaud L, Williams A F Helv. Control of redox potential by deprotonation of coordinated 1H-Imidazole in complexes of 2-(1H-Imidazol-2-yl)pyridine [J]. Chim. Acta, 2005, 88 (3):487-495.
. Xu M L, Zhou R, Wang G Y, Yu J Y. Color tunable phosphorescent iridium complexes with substituted 2-phenylthiazoles as the cyclometalated ligands [J]. Inorg. Chim. Acta, 2009, 362 (2):515-518.
. Williams A T R, Winfield S A, Miller J N. Relative fluorescence quantum yields using a computer controlled luminescence spectrometer [J]. Analyst, 1983, 108 (1290):1067-1071.
. Grushin V V, Herron N, Lecloux D D, et al. New, efficient electroluminescent materials based on organometallic Ir complexes [J]. Chem. Commun., 2001, 46 (16):1494-1495.
0
浏览量
67
下载量
3
CSCD
关联资源
相关文章
相关作者
相关机构