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OLED 材料发展-空穴传输材料OLED 材料发展,空穴传输材料 发布时间:2008-10-01 作者: 来源: 浏览次数: 53 OLED 材料发展,空穴传输材料 目前空穴传输材料(Hole transport materials)(本文层电洞传输材料)向提高热稳定向和降低空穴传输层与阳极界面的能级差的方向发展，但离不开triphenylamines(图 1)的结构。 日本的 Nagoya 大学与 Nippon Steel Chemical 公司合作开发 TPD 衍生物的电洞传输材料(图 2)，虽然改善了 TPD 易结晶的特性，但使用 Alq 为电子传输发光体时，元件(ITO/CuPc/HTM/Alq/LiF/Al)的表现并不太理想(表一)。 表一 TPD 衍生物的性质 ropaganda Department, district authorities and other members of the working committees to coordinate with, and work together. Various units of the Department to draw up a concrete plan, quickly set up the corresponding study education coordinating group, with strong work force. Second, we must strengthen the inspection supervision. Educational 日本 Idemitsu 公司开发出 triamine 的电洞传输材料(图 3)，它们具有较高的耐热性。 美国的 Xerox 公司开发出另一种星放射状的电洞传输材料(图 4)，其具有较高热稳定性(T >120?)。 gropaganda Department, district authorities and other members of the working committees to coordinate with, and work together. Various units of the Department to draw up a concrete plan, quickly set up the corresponding study education coordinating group, with strong work force. Second, we must strengthen the inspection supervision. Educational 德国 Covion 公司则开发一种 Spiro 型电洞传输材料(图 5)，命名为 Spiro-NPB及 Spiro-TAD，而其 T 分别为 147?及 133?，其在元件的表现较 NPB 为好(表二)。 g表二 NPB 和 Spiro-NPB、Spiro-TAD 衍生物性质的比较 ropaganda Department, district authorities and other members of the working committees to coordinate with, and work together. Various units of the Department to draw up a concrete plan, quickly set up the corresponding study education coordinating group, with strong work force. Second, we must strengthen the inspection supervision. Educational Kodak 公司所发表一种新型 triphenylamine 型电洞传输材料(图 6)，其是利用金刚烷的构形的固定来提高其 T(T=155?)。 ggropaganda Department, district authorities and other members of the working committees to coordinate with, and work together. Various units of the Department to draw up a concrete plan, quickly set up the corresponding study education coordinating group, with strong work force. Second, we must strengthen the inspection supervision. Educational