Red Electroluminescence from an Organic Europium Complex with a Triphenylphosphine Oxide Ligand

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概要

• 論文の詳細を見る

• An Eu-complex, europium tris(dibenzoylmethide)(triphenylphosphine oxide), was newly synthesized and utilized as a light-emitting material in electroluminescent devices. The complex was easily deposited as transparent and homogeneous thin films by vacuum sublimation, and was successfully applied to electroluminescent devices with a stacked structure of indium-tin-oxide(ITO)/hole transporting layer/Eu-complex layer/hole blocking layer/electron transporting layer/cathode. The devices with this structure gave off pure red light with luminance as high as 320cd/m^2. The hole-blocking layer was essential to obtain pure red light from this Eu-complex. Withiout the hole-blocking layer, holes passed through the Eu-complex layer and entered into the electron transporting layer, leading to yellow emission.

• 社団法人応用物理学会の論文
• 2000-11-15

著者

• Matsumura Michio

  Research Center For Photoenergetics Of Organic Materials Osaka University

• Hu Wenping

  Research Center For Photoenergetics Of Organic Materials Osaka University

• Jin Linpei

  Department Of Chemistry Beijing Normal University

• WANG Mingzhao

  Department of Chemistry, Beijing Normal University

• Wang Mingzhao

  Department Of Chemistry Beijing Normal University

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