LUMINESCENCE DECAY OF COPPER DOPED ZINC SULPHIDE NANOCRYSTALLITES

Li Dan; Liu Junye; Meng Jiwu; Dou Kai; Xu Wu; Sun Lingdong; Li Zhenpeng

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LUMINESCENCE DECAY OF COPPER DOPED ZINC SULPHIDE NANOCRYSTALLITES

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- LUMINESCENCE DECAY OF COPPER DOPED ZINC SULPHIDE NANOCRYSTALLITES
- Chinese Journal of Luminescence Vol. 19, Issue 1, Pages: 85-88(1998)
- 作者机构：
  
  1. 中国科学院长春物理研究所, 长春 130021
  2. 中国科学院激发态物理开放研究实验室长春,130021
  3. 北京大学稀土材料化学及应用国家重点实验室北京,100871
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：28 February 1998，
  
  Received：9 June 1997，
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李丹, 刘俊业, 孟继武, 窦凯, 许武, 孙聆东, 李振鹏. 掺杂Cu<sup>2+</sup>的ZnS纳米超微粒的荧光衰减[J]. 发光学报, 1998,19(1): 85-88

Li Dan, Liu Junye, Meng Jiwu, Dou Kai, Xu Wu, Sun Lingdong, Li Zhenpeng. LUMINESCENCE DECAY OF COPPER DOPED ZINC SULPHIDE NANOCRYSTALLITES[J]. Chinese Journal of Luminescence, 1998,19(1): 85-88
李丹, 刘俊业, 孟继武, 窦凯, 许武, 孙聆东, 李振鹏. 掺杂Cu<sup>2+</sup>的ZnS纳米超微粒的荧光衰减[J]. 发光学报, 1998,19(1): 85-88 DOI：

Li Dan, Liu Junye, Meng Jiwu, Dou Kai, Xu Wu, Sun Lingdong, Li Zhenpeng. LUMINESCENCE DECAY OF COPPER DOPED ZINC SULPHIDE NANOCRYSTALLITES[J]. Chinese Journal of Luminescence, 1998,19(1): 85-88 DOI：

摘要

1994年R.N.Bharagava首次报道了过渡金属离子掺杂纳米半导体超微粒ZnS:Mn的光学性质

[1]

.发现ZnS:Mn的585nm(Mn

的

→

跃迁)的发光效率提高和寿命缩短5个数量级.并预计它可能成为一种新的发光材料.掺杂纳米材料的出现为纳米科学的研究开辟了新的领域

揭示了超微粒中杂质离子与基质之间的相互作用问题中的新的物理内容

这引起人们的广泛兴趣.

Abstract

In this paper

we report the preparation and optical properties of copper doped zinc sulphide aqueous colloid.The effects of size and quantum confinement on the green luminescence properties of ZnS:Cu have been studied.UV absorption shows the energy gap of ZnS:Cu nanocrystallites is 4.186eV.The emission measurements show a large blue shift of the G-Cu luminescence.Luminescence decay times measured in the case of nanoparticles are much faster than that of bulk ZnS:Cu.

关键词

超微粒量子尺寸效应发光寿命

Keywords

nanoparticlesquantum size confinementluminescence decay time

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