Influence of Surface Quenching Effects on Luminescent Dynamics of ZnS:Mn2+ Nanocrystals

GAO Chang-Cheng; HUANG Shi-Hua; YOU Fang-Tian; KANG Kai; FENG Ying

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Influence of Surface Quenching Effects on Luminescent Dynamics of ZnS:Mn2+ Nanocrystals

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A model describing surface quenching of isolated ion centres in nanocrystaJs is proposed based on the energy transfer between the doped ions and the nanocrystalline surface quenching centres.The quenching rate depends on the position of the ions in the nanocrystal,hence the decay curve under non-selective excitation is generally nonexponential.The decay curve calculated with this model is in good agreement with that of the 4T1→6A1 emission in ZnS:Mn2+ nanocrystals.

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《中国物理快报：英文版》 |2008年第2期|698-699|共2页
作者
GAO Chang-Cheng; HUANG Shi-Hua; YOU Fang-Tian; KANG Kai; FENG Ying;
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Key Laboratory of Luminescence and Optical Information Ministry of Education,Institute of Optoelectronic Technology,Beijing Jiaotong University,Beijing,100044;

Key Laboratory of Luminescence and Optical Information Ministry of Education,Institute of Optoelectronic Technology,Beijing Jiaotong University,Beijing,100044;

Key Laboratory of Luminescence and Optical Information Ministry of Education,Institute of Optoelectronic Technology,Beijing Jiaotong University,Beijing,100044;

Key Laboratory of Luminescence and Optical Information Ministry of Education,Institute of Optoelectronic Technology,Beijing Jiaotong University,Beijing,100044;

Key Laboratory of Luminescence and Optical Information Ministry of Education,Institute of Optoelectronic Technology,Beijing Jiaotong University,Beijing,100044;

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中图分类物理学;
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Influence of Surface Quenching Effects on Luminescent Dynamics of ZnS:Mn2+ Nanocrystals

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