| 有机发光器件中固态界面处激基复合物的形成及特性 |
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| 引用本文： | 朱文清,蒋雪茵,张志林.有机发光器件中固态界面处激基复合物的形成及特性[J].上海大学学报(英文版),2006,10(2):156-160. |
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| 作者姓名： | 朱文清 蒋雪茵 张志林 |
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| 作者单位： | Key Laboratory of Advanced Display and System Application of Education Ministry Shanghai University Shanghai 200072 P.R. China，Key Laboratory of Advanced Display and System Application of Education Ministry Shanghai University Shanghai 200072 P.R. China，Key Laboratory of Advanced Display and System Application of Education Ministry Shanghai University Shanghai 200072 P.R. China |
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| 基金项目： | ProjectsupportedbyNationalNaturalScienceFoundationofChina(GrantNo.90201034),ScienceFoundationofShanghaiMunicipalCommissionofScienceandTechnology(GrantNo.012261055),andScienceFoundationofShanghaiMunicipalCommissionofEducation(GrantNo.03AK26). |
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| 摘 要： | 1Introduction Sincethefirstreportofefficientorganiclightemit tingdevices(OLED)byTang1],OLEDshavebeen emergingastheleadingcandidateforthenextgenera tionplat paneldisplaysduetotheiradvantagessuchas fastresponsetime,largeviewingangle,highbright ness,lowoperatingvoltageandverythinthickness.Generally,theemissioncolorsoflayeredOLEDscan beabtainedbyselectingfluorescentmaterialswithdif ferentenergylevelsgapordopingtheorganicfilms withhighlyefficientfluorescentdopants.Sometimes,foracertaincombina…
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| 关 键 词： | 有机电致发光 OLEDs 光致发光 HTMs 激态复合物 分子结构 |
| 文章编号： | 1007-6417（2006）02-0156-05 |
| 收稿时间： | 2004-08-22 |
| 修稿时间： | 2004-11-25 |
Exciplex formation and properties at organic solid interface in organic light emitting devices |
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| Wen-qing Zhu,Xue-yin Jiang,Zhi-lin Zhang.Exciplex formation and properties at organic solid interface in organic light emitting devices[J].Journal of Shanghai University(English Edition),2006,10(2):156-160. |
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| Authors: | Wen-qing Zhu Xue-yin Jiang Zhi-lin Zhang |
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| Institution: | Key Laboratory of Advanced Display and System Application of Education Ministry, Shanghai University, Shanghai 200072, P.R. China |
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| Abstract: | The bilayer organic light emitting devices (OLEDs) using two common aromatic diamines as hole transporting materials (HTMs) and BBOT (2,5-bis(5-tert-butyl-2-benzoxazolyl)thiophene) as electron transporting material have been prepared, in which the electroluminescent spectra are different from the fluorescent spectra of each of the constituent materials. The electroluminescence is mainly attributed to exciplex confirmed by photoluminescence and electroluminescence measurements, and the type of exicplex is determined in terms of the energy level diagram of the bilayer devices. By comparing the molecular structures and energy levels of TPD and NPB, it is demonstrated that the structure of a molecule as well as its energy level has an effect on the exciplex formation. |
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| Keywords: | organic electroluminescence photoluminescence exciplex color tuning molecular structure |
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