基于7-(9H-carbazol-9-yl)-N,N-diphenyl-9,9′-spirobi[fluoren]-2-amine主体材料的高效红色电致磷光器件
孙军, 张玉祥, 赵卫华, 张宏科, 何海晓, 田密. 基于7-(9H-carbazol-9-yl)-N,N-diphenyl-9,9′-spirobi[fluoren]-2-amine主体材料的高效红色电致磷光器件[J]. 发光学报, 2014, 35(3): 327.
SUN Jun, ZHANG Yu-xiang, ZHAO Wei-hua, ZHANG Hong-ke, HE Hai-xiao, TIAN Mi. Highly Efficient Red Electrophosphorescent Devices Based on 7-(9H-carbazol-9-yl)-N,N-diphenyl-9,9′-spirobi[fluoren]-2-amine Host Material[J]. Chinese Journal of Luminescence, 2014, 35(3): 327.
[1] Baldo M A, O’Brian D F, You Y, et al. Highly efficient phosphorescent emission from organic electroluminescent devices [J]. Nature, 1998, 395(1):151-154.
[2] Jeon W S, Park T J, Kim S Y, et al. Ideal host and guest system in phosphorescent OLEDs [J]. Org. Electron., 2009, 10 (2):240-246.
[3] Benor A, Takizawa S Y, Pérez-Bolivar C, et al. Energy barrier, charge carrier balance, and performance improvement in organic light-emitting diodes [J]. Appl. Phys. Lett., 2010, 96(24):243310-1-3.
[4] Sasabe H, Pu Y J , Nakayama K, et al. m-terphenyl-modified carbazole host material for highly efficient blue and green PHOLEDs [J]. Chem. Commun., 2009(43):6655-6657.
[5] Han C, Xie G, Xu H, et al. Towards highly efficient blue-phosphorescent organic light-emitting diodes with low operating voltage and excellent efficiency stability [J]. Chem. Eur. J., 2011, 17(2):445-449.
[6] Han C, Zhao Y, Xu H, et al. A simple phosphine-oxide host with a multi-insulating structure: High triplet energy level for efficient blue electrophosphorescence [J]. Chem. Eur. J., 2011, 17(21):5800-5803.
[7] Chen H F, Chi L C, Hung W Y, et al. Carbazole and benzimidazole/oxadiazole hybrids as bipolar host materials for sky blue, green, and red PhOLEDs [J]. Org. Electron., 2012, 13:2671-2681.
[8] Tao Y T, Wang Q, Ao L, et al. Molecular design of host materials based on triphenylamine/oxadiazole hybrids for excellent deep-red phosphorescent organic light-emitting diodes [J]. J. Mater. Chem., 2010, 20:1759-1765.
[9] Jeong S H, Lee J Y. Dibenzofuran derivative as high triplet energy host material for high efficiency in deep blue phosphorescent organic light-emitting diodes [J]. Org. Electron., 2012, 13:1141-1145.
[10] Sasabe H, Seino Y, Kimura M, et al. A m-terphenyl-modifed sulfone derivative as a host material for high-efficiency blue and green phosphorescent OLEDs [J]. Chem. Mater., 2012, 24:1404-1406.
[11] Zhou G, Wong W Y, Yao B, et al. Triphenylamine-dendronized pure red iridium phosphors with superior OLED efficiency/color purity trade-offs [J]. Angew. Chem., 2007, 119(7):1167-1169.
[12] Ho C L, Wong W Y, Gao Z Q, et al. Red-light-emitting iridium complexes with hole-transporting 9-arylcarbazole moieties for electrophosphorescence efficiency/color purity trade-off optimization [J]. Adv. Funct. Mater., 2008, 18(2):319-331.
[13] Kim S H, Jang J, Lee J Y, et al. Improved color stability in white phosphorescent organic light-emitting diodes using charge confining structure without interlayer [J]. Appl. Phys. Lett., 2007, 91(12):123509-1-3.
[14] Jou J H, Shen S M, Chen S H, et al. Highly efficient orange-red phosphorescent organic light-emitting diode using 2,7-bis(carbazo-9-yl)-9,9-ditolyfluorene as the host [J]. Appl. Phys. Lett., 2010, 96(14):143306-1-3.
[15] Duan J P, Sun P P, Cheng C H. New iridium complexes as highly efficient orange-red emitters in organic light-emitting diodes [J]. Adv. Mater., 2003, 15(3):224-228.
[16] Wang Q, Ding J Q, Ma D G, et al. Harvesting excitons via two parallel channels for efficient white organic LEDs with nearly 100% internal quantum efficiency:Fabrication and emission-mechanism analysis [J]. Adv. Funct. Mater., 2009, 19(1):84-95.
[17] Yang D F, Li W L, Chu B, et al. High efficiency electrophosphorescence device using a thin cleaving layer in an Ir-complex doped emitter layer [J]. Appl. Phys. Lett., 2008, 92(25):253309-1-3.
孙军, 张玉祥, 赵卫华, 张宏科, 何海晓, 田密. 基于7-(9H-carbazol-9-yl)-N,N-diphenyl-9,9′-spirobi[fluoren]-2-amine主体材料的高效红色电致磷光器件[J]. 发光学报, 2014, 35(3): 327. SUN Jun, ZHANG Yu-xiang, ZHAO Wei-hua, ZHANG Hong-ke, HE Hai-xiao, TIAN Mi. Highly Efficient Red Electrophosphorescent Devices Based on 7-(9H-carbazol-9-yl)-N,N-diphenyl-9,9′-spirobi[fluoren]-2-amine Host Material[J]. Chinese Journal of Luminescence, 2014, 35(3): 327.