Polymer light-emitting electrochemical cells for high-efficiency low-voltage electroluminescent devices
文献类型:期刊论文
作者 | Sun, Qingjiang1; Li, Yongfang1; Pei, Qibing2 |
刊名 | JOURNAL OF DISPLAY TECHNOLOGY
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出版日期 | 2007-06-01 |
卷号 | 3期号:2页码:211-224 |
关键词 | Conjugated Polymer Electroluminescent Polymer Light-emitting Electrochemical Cell P-i-n Junction |
ISSN号 | 1551-319X |
DOI | 10.1109/JDT.2007.896737 |
英文摘要 | Organic light-emitting devices exhibiting high power conversion efficiency and long operating lifetime may potentially be achieved with the polymer light-emitting electrochemical cell (LEC) configuration. An LEC device typically uses a thin layer of conjugated polymer sandwiched between two contact electrodes. The polymer layer contains an ionically conductive species that are essential in the formation of a light-emitting p-i-n junction. LEC devices are characterized with balanced electron and hole injections, high current density at relatively low bias voltages (2-4 V), and high electroluminescent power efficiency. We will describe the working mechanism of the LECs and review the recent developments in LEC materials, device fabrication and performance. Among the important developments are planar (surface-typed) LECs, bilayer LECs that emit different colors at forward and reverse biases, frozen p-i-n junction LECs that functions like diodes, and phosphorescent LECs. Extensive efforts have been made to improve the LEC performance by controlling the blend morphology, including the use of bipolar surfactant additives and new electrolytes, the synthesis of conjugated polymers with ion-transporting main chain segments or side groups and polyelectrolyte. Degradation mechanisms that limit the lifetime of the LECs will also be discussed. |
语种 | 英语 |
WOS记录号 | WOS:000259064300015 |
出版者 | IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC |
源URL | [http://ir.iccas.ac.cn/handle/121111/61947] ![]() |
专题 | 中国科学院化学研究所 |
通讯作者 | Sun, Qingjiang |
作者单位 | 1.Chinese Acad Sci, Beijing Natl Lab Mol Sci, CAS Key Lab Organ Solids, Inst Chem, Beijing 100080, Peoples R China 2.Univ Calif Los Angeles, Dept Mat Sci & Engn, Los Angeles, CA 90095 USA |
推荐引用方式 GB/T 7714 | Sun, Qingjiang,Li, Yongfang,Pei, Qibing. Polymer light-emitting electrochemical cells for high-efficiency low-voltage electroluminescent devices[J]. JOURNAL OF DISPLAY TECHNOLOGY,2007,3(2):211-224. |
APA | Sun, Qingjiang,Li, Yongfang,&Pei, Qibing.(2007).Polymer light-emitting electrochemical cells for high-efficiency low-voltage electroluminescent devices.JOURNAL OF DISPLAY TECHNOLOGY,3(2),211-224. |
MLA | Sun, Qingjiang,et al."Polymer light-emitting electrochemical cells for high-efficiency low-voltage electroluminescent devices".JOURNAL OF DISPLAY TECHNOLOGY 3.2(2007):211-224. |
入库方式: OAI收割
来源:化学研究所
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