New Host Containing Bipolar Carrier Transport Moiety for High-Efficiency Electrophosphorescence at Low Voltages
A new host material for use in phosphorescent OLEDs with desirable electronic properties has been synthesized. The material exhibits superior carrier‐transport properties, a narrow optical band gap, relatively high triplet energy, and high thermal stability. It is synthesized by integrating hole‐tra...
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| Veröffentlicht in: | Advanced materials (Weinheim) 2009-02, Vol.21 (6), p.688-692 |
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| container_title | Advanced materials (Weinheim) |
| container_volume | 21 |
| creator | Gao, Zhi Qiang Luo, Meiming Sun, Xiao Hua Tam, Hoi Lam Wong, Man Shing Mi, Bao Xiu Xia, Ping Fang Cheah, Kok Wai Chen, Chin Hsin |
| description | A new host material for use in phosphorescent OLEDs with desirable electronic properties has been synthesized. The material exhibits superior carrier‐transport properties, a narrow optical band gap, relatively high triplet energy, and high thermal stability. It is synthesized by integrating hole‐transporting carbazole groups into an electron‐transporting phenanthroline core (see figure), and is demonstrated to be an excellent host for phosphorescent dopant emitters. |
| doi_str_mv | 10.1002/adma.200702877 |
| format | Article |
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The material exhibits superior carrier‐transport properties, a narrow optical band gap, relatively high triplet energy, and high thermal stability. It is synthesized by integrating hole‐transporting carbazole groups into an electron‐transporting phenanthroline core (see figure), and is demonstrated to be an excellent host for phosphorescent dopant emitters.</description><identifier>ISSN: 0935-9648</identifier><identifier>EISSN: 1521-4095</identifier><identifier>DOI: 10.1002/adma.200702877</identifier><language>eng</language><publisher>Weinheim: WILEY-VCH Verlag</publisher><subject>Electrophosphorescence ; Organic light-emitting diodes ; Phosphorescent materials ; Polymeric materials ; Triplet emitters</subject><ispartof>Advanced materials (Weinheim), 2009-02, Vol.21 (6), p.688-692</ispartof><rights>Copyright © 2009 WILEY‐VCH Verlag GmbH & Co. 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Mater</addtitle><description>A new host material for use in phosphorescent OLEDs with desirable electronic properties has been synthesized. The material exhibits superior carrier‐transport properties, a narrow optical band gap, relatively high triplet energy, and high thermal stability. 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| ispartof | Advanced materials (Weinheim), 2009-02, Vol.21 (6), p.688-692 |
| issn | 0935-9648 1521-4095 |
| language | eng |
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| source | Wiley Online Library All Journals |
| subjects | Electrophosphorescence Organic light-emitting diodes Phosphorescent materials Polymeric materials Triplet emitters |
| title | New Host Containing Bipolar Carrier Transport Moiety for High-Efficiency Electrophosphorescence at Low Voltages |
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