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Polymer light-emitting devices using poly(ethylene oxide) as an electron injecting layer 被引量:1
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作者 M.V.Madhava Rao tsung-syun huang +3 位作者 Yan-Kuin Su Ming-Lung Tu Chun-Yuan huang Shang-Shung Wu 《Nano-Micro Letters》 SCIE EI CAS 2010年第1期49-52,共4页
The performance of polymer light emitting devices(PLEDs)based on polyvinyl carbazole(PVK)is improved by introducing a nanoscale interfacial thin layer,made of poly(ethylene oxide)(PEO),between the calcium cathode and ... The performance of polymer light emitting devices(PLEDs)based on polyvinyl carbazole(PVK)is improved by introducing a nanoscale interfacial thin layer,made of poly(ethylene oxide)(PEO),between the calcium cathode and the PVK emissive layer.It is believed that the PEO layer plays a key role in enhancing the device performance.In comparison to the device with Ca/Al as the cathode,the performance of the PLED with PEO/Ca/Al cathode,including the driving voltage,luminance efficiency is significantly improved.These improvements are attributed to the introduction of a thin layer of PEO that can lower the interfacial barrier and facilitate electron injection. 展开更多
关键词 Polymer light emitting devices Electron injection layer ELECTROLUMINESCENCE
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