| Dependence of Performance of Organic Light-emitting Devices on Sheet Resistance of Indium-tin-oxide Anodes |
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| 引用本文： | ZHOU Liang ZHANG Hong-jie YU Jiang-bo MENG Qing-guo PENG Chun-yun LIU Feng-yi DENG Rui-ping PENG Ze-ping LI Zhe-feng. Dependence of Performance of Organic Light-emitting Devices on Sheet Resistance of Indium-tin-oxide Anodes[J]. 高等学校化学研究, 2006, 22(4): 427-431. DOI: 10.1016/S1005-9040(06)60134-7 |
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| 作者姓名： | ZHOU Liang ZHANG Hong-jie YU Jiang-bo MENG Qing-guo PENG Chun-yun LIU Feng-yi DENG Rui-ping PENG Ze-ping LI Zhe-feng |
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| 作者单位： | ZHOU Liang，ZHANG Hong-jie~，YU Jiang-bo，MENG Qing-guo，PENG Chun-yun，LIU Feng-yi，DENG Rui-ping，PENG Ze-ping and LI Zhe-feng Key Laboratory of Rare Earth Chemistry and Physics，Changchun Institute of Applied Chemistry，Chinese Academy of Sciences，Changchun 130022，P. R. China |
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| 基金项目： | 国家自然科学基金，the Key National Natural Science Foundation of China，国家自然科学基金，国家高技术研究发展计划(863计划)，国家自然科学基金 |
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| 摘 要： | IntroductionIndium-tin-oxide(ITO) has been widely used asthe anode material in organic light-emitting devices(OLEDs) because of its high transmittance in the visi-ble region and low electrical resistivity. In the pastyears, many investigations focused on …
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| 关 键 词： | 有机光发射装置 铟-锡-氧化物 薄膜电阻 空穴-电子平衡 |
| 文章编号： | 1005-9040（2006）-04-427-05 |
| 收稿时间： | 2005-12-21 |
Dependence of Performance of Organic Light-emitting Devices on Sheet Resistance of Indium-tin-oxide Anodes |
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| Liang ZHOU, Hong-jie ZHANG, Jiang-bo YU, Qing-guo MENG, Chun-yun PENG, Feng-yi LIU, Rui-ping DENG, Ze-ping PENG,Zhe-feng LI. Dependence of Performance of Organic Light-emitting Devices on Sheet Resistance of Indium-tin-oxide Anodes[J]. Chemical Research in Chinese University, 2006, 22(4): 427-431. DOI: 10.1016/S1005-9040(06)60134-7 |
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| Authors: | Liang ZHOU Hong-jie ZHANG Jiang-bo YU Qing-guo MENG Chun-yun PENG Feng-yi LIU Rui-ping DENG Ze-ping PENG Zhe-feng LI |
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| Affiliation: | aKey Laboratory of Rare Earth Chemistry and Physics, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, P. R. China |
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| Abstract: | The dependence of the performance of organic light-emitting devices(OLEDs) on the sheet resistance of indium-tin-oxide(ITO) anodes was investigated by measuring the steady state current density brightness voltage characteristics and the electroluminescent spectra. The device with a higher sheet resistance anode shows a lower current density, a lower brightness level, and a higher operation voltage. The electroluminescence(EL) efficiencies of the devices with the same structure but different ITO anodes show more complicated differences. Furthermore, the shift of the light-emitting zone toward the anode was found when an anode with a higher sheet resistance was used. These performance differences are discussed and attributed to the reduction of hole injection and the increase in voltage drop over ITO anode with the increase in sheet resistance. |
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| Keywords: | Organic light-emitting device(OLED) Indium-tin-oxide(ITO) Sheet resistance Balance of holes and electrons |
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