| Mechanism of SrS∶Ce Thin Film Electroluminescence |
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| 作者姓名： | Xu Zheng Xu Chunxiang Lou
Zhidong Xu Xurong |
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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(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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