Horizontal Orientation of a Linear-Shaped Platinum(II) Complex in Organic Light-Emitting Diodes with a High Light Out-Coupling Efficiency

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概要

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• A linear-shaped phosphorescent platinum(II) complex that adopts a horizontal orientation in amorphous films was synthesized. The complex possesses a photoluminescence quantum efficiency of $\Phi_{\text{PL}} = 50\pm 3$% in thin films with the host of <i>m</i>-biscarbazolylbenzene and 4,4$'$-bis(<i>N</i>-carbazolyl)biphenyl. Polarized emission from the edge of these thin films confirmed the horizontal orientation of the complex within them. An organic light-emitting diode containing the complex possessed a maximum external quantum efficiency of $\eta_{\text{EQE}} = 15.8\pm 3$%. The light out-coupling efficiency of the device was estimated to be at least $\Phi_{\text{out}} = 32\pm 3$%, which was ascribed to the horizontal orientation of the complex.

• 2011-07-25

著者

• Adachi Chihaya

  Bio Electoro-mechanical Autonomous Nano Systems (beans) Project Life Beans Center Kyushu

• YASUDA Takuma

  Bio Electromechanical Autonomous Nano Systems (BEANS) Laboratory, and Center for Future Chemistry, Kyushu University

• TANEDA Masatsugu

  Bio Electromechanical Autonomous Nano Systems (BEANS) Laboratory, and Center for Future Chemistry, Kyushu University

関連論文

• Preparation under High Humidity Conditions of Nanoporous Polymer Film with 80nm Minimum Pore Size
• Horizontal Orientation of a Linear-Shaped Platinum(II) Complex in Organic Light-Emitting Diodes with a High Light Out-Coupling Efficiency

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