| 光谱学与光谱分析 |
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| Photostimulated Luminescence Properties of KCl:Cu+ after UV Excitation |
| SUN Li1, WANG Yong-sheng1, ZHAO Su-ling1, XU Zheng1，２, XUE Wei-wei1 |
1. Institute of Optoelectronic Technology, Key Lab of Materials for Information Storage and Display, Beijing Jiaotong University, Beijing 100044, China
2.Tianjin University Postdoctoral Working station, Economy and Technological Development Area Postdoctoral Working Station, Tianjin Zhong-Huan San-Jin Ltd, Tianjin 300457, China |
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Abstract KCl:Cu+ powder sample was prepared with high temperature solid reaction process. After being excited by UV, the sample shows near ultraviolet blue luminescence by stimulation with 560 nm light. The research result indicates that Cu+ acts as a luminous center, and Cu+ does not change into Cu2+ by UV irradiation. So, Cu+ ions do not act as hole traps, while anion vacancies act as electron traps. Once UV excited sample is stimulated, electrons from F center combine with hole trapping center or VK center, and cause subsequent energy transfer to Cu+ ion. Then, a character emission attributed to d-s transition of Cu+ in lattice occurs.
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Received: 2004-03-06
Accepted: 2005-01-08
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Corresponding Authors:
SUN Li
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| Cite this article: |
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SUN Li,WANG Yong-sheng,ZHAO Su-ling, et al. Photostimulated Luminescence Properties of KCl:Cu+ after UV Excitation[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2005, 25(10): 1733-1735.
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| URL: |
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https://www.gpxygpfx.com/EN/Y2005/V25/I10/1733 |
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