5 December 2006 Hole-transporting and emitting pendant polymers for organic electroluminescent devices
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Abstract
New hole-transporting pendant polymers with high glass-transition temperatures (Tgs) above 200 °C were designed and synthesized. Multilayer organic electroluminescent (EL) devices using the new polymers as the hole-transport layer and quinacridone-doped tris(8-quinolinolato)aluminum as the emitting layer exhibited high performance. One of the hole-transporting polymers functioned well as a hole injection buffer layer in organic EL devices. New green- and orange-emitting pendant polymers with high Tgs and desired ambipolar character were also designed and synthesized. Organic EL devices using these emitting polymers also exhibited good performance. One of the hole-transporting polymer showed a high hole carrier mobility of over 10-3 cm2V-1s-1 at an electric field of 1.0 × 105 Vcm-1, as determined by a time-of-flight method.
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Hiroshi Kageyama, Hiroshi Kageyama, Daisuke Mutaguchi, Daisuke Mutaguchi, Keisuke Hashimoto, Keisuke Hashimoto, Daisuke Nagamatsu, Daisuke Nagamatsu, Masatake Tanaka, Masatake Tanaka, Kenji Okumoto, Kenji Okumoto, Yutaka Ohsedo, Yutaka Ohsedo, Yasuhiko Shirota, Yasuhiko Shirota, } "Hole-transporting and emitting pendant polymers for organic electroluminescent devices", Proc. SPIE 6333, Organic Light Emitting Materials and Devices X, 63330G (5 December 2006); doi: 10.1117/12.682702; https://doi.org/10.1117/12.682702
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