Influence of ZnO on Luminescent Properties of CdSxSe1-x Quantum Dot Silicate Glass

LUO Ting; JIANG Hong-yi; YANG Yu-ting

doi:10.3788/fgxb20173809.1155

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Influence of ZnO on Luminescent Properties of CdS_xSe_1-x Quantum Dot Silicate Glass

更新时间：2020-08-12

- Influence of ZnO on Luminescent Properties of CdS_xSe_1-x Quantum Dot Silicate Glass
- Chinese Journal of Luminescence Vol. 38, Issue 9, Pages: 1155-1160(2017)
- 作者机构：
  
  武汉理工大学材料科学与工程学院,湖北武汉,430070
- 作者简介：
- 基金信息：
- DOI：10.3788/fgxb20173809.1155
  CLC： TP394.1;O482.31
- Received：22 February 2017，
  
  Revised：19 April 2017，
  
  Published Online：22 June 2017，
  
  Published：05 September 2017
- 稿件说明：
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罗婷, 姜洪义, 杨禹亭. ZnO对硫硒化镉量子点玻璃发光性能的影响[J]. 发光学报, 2017,38(9): 1155-1160

LUO Ting, JIANG Hong-yi, YANG Yu-ting. Influence of ZnO on Luminescent Properties of CdSxSe1-x Quantum Dot Silicate Glass[J]. Chinese Journal of Luminescence, 2017,38(9): 1155-1160
罗婷, 姜洪义, 杨禹亭. ZnO对硫硒化镉量子点玻璃发光性能的影响[J]. 发光学报, 2017,38(9): 1155-1160 DOI： 10.3788/fgxb20173809.1155.

LUO Ting, JIANG Hong-yi, YANG Yu-ting. Influence of ZnO on Luminescent Properties of CdSxSe1-x Quantum Dot Silicate Glass[J]. Chinese Journal of Luminescence, 2017,38(9): 1155-1160 DOI： 10.3788/fgxb20173809.1155.

摘要

以CdS、Se、Zn粉和玻璃基质为原料，采用高温熔融法制备了CdS

量子点硅酸盐玻璃，研究了ZnO含量对CdS

量子点发光玻璃微观结构及发光性能的影响。结果表明：ZnO对CdS

量子点玻璃的发光性能有显著的影响，紫外-可见吸收光谱和荧光光谱分析结果说明在470 nm蓝光激发下，掺ZnO的CdS

-x

量子点玻璃中CdS

量子点处于强限域区，出现了强烈的带边激子发射现象，证明量子点具有明显的量子尺寸效应。当样品中ZnO的质量分数为13%时，荧光光谱峰强最大，半峰宽最窄。

Abstract

CdS

Zn powder and glass matrix were used as raw material to prepare the CdS

quantum dots silicate glass by using co-melting method. The effect of ZnO content on the microscopic structure and luminescent properties of CdS

quantum dots silicate glass were studied. Experimental results indicate that ZnO can significantly influence the luminescence properties of CdS

quantum dots glass. The results of ultraviolet-visible absorption spectrum and fluorescence spectrum analysis show that the CdS

quantum dots are in a strong confined area

which lead to a strong belt edge exciton emission phenomenon

proving that the quantum size effect of quantum dots is obvious under the excitation of 470 nm blue light. When the mole fraction of ZnO is 13%

the PL spectrum peak is the strongest

and the half width of peak is the narrowest.

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Keywords

references

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