| Mechanism of SrS∶Ce Thin Film Electroluminescence |
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| 引用本文： | Xu Zheng1,Xu Chunxiang2,Lou Zhidong3,Xu Xurong (1 Institute of Photoelectronic Technology,Northern Jiaotong University,Beijing 100044,2 National Laboratory of Molecular and Biomolecular Electronics,Southeast University,Nanjing 210096,3 Depa. Mechanism of SrS∶Ce Thin Film Electroluminescence[J]. 中国稀土学报(英文版), 1999, 0(2) |
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| 作者姓名： | Xu Zheng1 Xu Chunxiang2 Lou Zhidong3 Xu Xurong (1 Institute of Photoelectronic Technology Northern Jiaotong University Beijing 100044 2 National Laboratory of Molecular and Biomolecular Electronics Southeast University Nanjing 210096 3 Depa |
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| 作者单位： | 1 Institute of Photoelectronic Technology，Northern Jiaotong University，Beijing 100044;2 National Laboratory of Molecular and Biomolecular Electronics，Southeast University，Nanjing 210096;3 Depa |
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| 摘 要： | Ｔｈｅｍｅｃｈａｎｉｓｍｏｆｅｘｃｉｔａｔｉｏｎａｎｄｅｍｉｓｉｏｎｆｏｒｔｈｉｎｆｉｌｍｅｌｅｃｔｒｏｌｕｍｉｎｅｓｃｅｎｃｅ（ＴＦＥＬ）ｈａｓｂｅｅｎｉｎｔｅｎｓｉｖｅｌｙｉｎｖｅｓｔｉｇａｔｅｄ．Ｏｎｅｉｓｄｉｓｃｒｅｔｅｌｕｍｉｎｅｓｃｅｎ...
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Mechanism of SrSCe Thin Film Electroluminescence |
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| Xu Zheng,Xu Chunxiang,Lou Zhidong,Xu Xurong. Mechanism of SrSCe Thin Film Electroluminescence[J]. Journal of Rare Earths, 1999, 0(2) |
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| Authors: | Xu Zheng Xu Chunxiang Lou Zhidong Xu Xurong |
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| Affiliation: | Xu Zheng1,Xu Chunxiang2,Lou Zhidong3,Xu Xurong |
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| Abstract: | The influence of the delocalization probability on the mixing interaction between excited levels of Ce3 and the conduction band of SrS was analysed. The observation of emission wave forms of SrSCe thin film electroluminescence showed that only leading edge emission peak was observed for one sample and the leading and trailing edge emission peaks were observed for another in a half period of sinusoid applied voltage. This difference is related to the influences of sulphur vacancies on the excitation and emission processes. The leading edge emssion is dominated by discrete luminescence caused by direct impact excitation and the trailing edge emission and a part of leading edge emission belong to recombination luminescence caused by impact ionization and delocalization. |
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| Keywords: | Rare earths Cerium Strontium sulphide Thin film Electroluminescence mechanism |
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