Highly Efficient Organic Light-emitting Devices Achieved by p-type Doped Hole Injection Layer

CHEN Yu; WANG Peng; GUO Run-da; YUE Shou-zhen; ZHAO Yi; LIU Shi-yong

doi:10.3788/gzxb20134202.0139

[1] TANG C W, VANSLYKE S A. Organic electroluminescent diodes［J］. Applied Physics Letters, 1987, 51(12): 913-915.

[2] D′ANDRADE B W, FORREST S R. White organic light-emitting devices for solid-state lighting［J］. Advanced Materials, 2004, 16(18): 1585-1595.

[3] D′ANDRADE B W, HOLMES R J, FORREST S R. Efficient organic electrophosphorescent white-light-emitting device with a triple doped emissive layer［J］. Advanced Materials, 2004, 16(7): 624-628.

[4] SUN Y, GIEBINK N C, KANNO H, et al. Management of singlet and triplet excitons for efficient white organic light-emitting devices［J］. Nature, 2006, 440(7086): 908-12.

[5] WANG Q, DING J, MA D, 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］. Advanced Functional Materials, 2009, 19(1): 84-95.

[6] GATHER M C, K HNEN A, MEERHOLZ K. White organic light-emitting diodes［J］. Advanced Materials, 2010, 23: 233-248.

[7] BALDO M A, FORREST S R. Highly efficient phosphorescent emission from organic electroluminescent devices［J］. Nature, 1998, 395(9): 151-154.

[8] XIE G, XUE Q, CHEN P, et al. Highly efficient and low-cost top-emitting organic light-emitting diodes for monochromatic microdisplays［J］. Organic Electronics, 2010, 11(3): 407-411.

[9] YANG Hui-shan, CHENG Jia-li, ZHAO Yi, et al. Improved efficiency of organic light-emitting devices utilizing doped in the electron-transporting layer［J］. Acta Photonica Sinica, 2004, 33(11): 1364-1366.

[10] CUI Guo-Yu, LI Chuan-Nan, LI Tao, et al. Organic light-emitting device with LiN n-type doped electron injection layer［J］. Acta Photonica Sinica, 2011, 40(2): 194-198.

[11] PFEIFFER M, LEO K, ZHOU X, et al. Doped organic semiconductors: physics and application in light emitting diodes［J］. Organic Electronics, 2003, 4(2-3): 89-103.

[12] JIANG X Y, ZHANG Z L, CAO J, et al. White OLED with high stability and low driving voltage based on a novel buffer layer MoOx［J］. Journal of Physics D: Applied Physics, 2007, 40(18): 5553-5557.

[13] BALDO M, ADACHI C, FORREST S. Transient analysis of organic electrophosphorescence. II.Transient analysis of triplet-triplet annihilation［J］. Physical Review B, 2000, 62(16): 10967-10977.

[14] GIEBINK N, FORREST S Quantum efficiency roll-off at high brightness in fluorescent and phosphorescent organic light emitting diodes［J］. Physical Review B, 2008, 77(23): 1-9.

[15] CHEN P, XIE W, LI J, et al. White organic light-emitting devices with a bipolar transport layer between blue fluorescent and orange phosphorescent emitting layers［J］. Applied Physics Letters, 2007, 91(2): 023505-023505.

[16] ZHENG T, CHOY W C H. High efficiency blue organic LEDs achieved by an integrated fluorescence-interlayer-phosphorescence emission architecture［J］. Advanced Functional Materials, 2010, 20(4): 648-655.

[17] YOU H, DAI Y, ZHANG Z, et al. Improved performances of organic light-emitting diodes with metal oxide as anode buffer［J］. Journal of Applied Physics, 2007, 101(2): 026105-026105.

[18] BLOCHWITZ J, FRITZ T, PFEI M, et al. Interface electronic structure of organic semiconductors with controlled doping levels［J］. Organic Electronics, 2001, 2: 97-104.