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| 以BBOT为电子传输层的聚合物蓝色发光二极管 | |
| 引用本文： | 张志林 蒋雪菌. 以BBOT为电子传输层的聚合物蓝色发光二极管[J]. 发光学报, 1994, 15(4): 363-365 |
| 作者姓名： | 张志林 蒋雪菌 |
| 作者单位： | 1. 上海科技大学材料系, 上海 201800;2. 日本芝浦工业大学工学部, 东京108, 日本 |
| 摘 要： | 在前篇文章中[1]我们报导了以perylene掺杂的PVCz聚合物单层电致发光器件,得到蓝色发光,其亮度为59(cd/m2).在这篇文章中,我们以PVCz作为空穴传导层,BBOT为电子传导层制成了双层结构的发光二极管.亮度和效率都大大超过单层器件. |
| 关 键 词： | 电子传输层 BBOT 发光二极管 聚合物 电致发光 |
| 收稿时间： | 1994-05-31 |
A BLUE EMITTING POLYMER DIODE UTILIZING BBOT AS AN ELECTRON TRANSPORTING LAYER |
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| Zhang Zhilin,Jiang Xueyin,Xu Shaohong,Satio S,Nagamoto T,Omoto O. A BLUE EMITTING POLYMER DIODE UTILIZING BBOT AS AN ELECTRON TRANSPORTING LAYER[J]. Chinese Journal of Luminescence, 1994, 15(4): 363-365 | |
| Authors: | Zhang Zhilin Jiang Xueyin Xu Shaohong Satio S Nagamoto T Omoto O |
| Affiliation: | 1. Department of Materials Science, Shanghai University of Science and Technology, Shanghai 201800;2. Shibaura Institute of Technology, Shibaura 3-9-14 Minato-Ku, Tokyo 108, Japan |
| Abstract: | Blue emitting electroluminescent diode using polyvenylcarbazole(PVCz)as a hole transporting layer and BBOT as an electron transporting layer has been constructed.A luminance of as high as 680cd/m2 with quantum efficiency more than 0.15% has been obtained.In order improve the crystalization of the BBOT a novel structure has been used.Instead of the pure BBOT of former diode,in the improved diode(type Ⅱ)BBOT and PVCz were co-evaporated with gradual increase of BBOT concentration on the PVCz layer.The brightness could reach 1700cd/m2,but no increase of efficeincy has been observed.A graded junction is supposed to be formed which increases the injected current and the light intensity. |
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