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武汉理工大学 材料科学与工程学院,湖北 武汉,430070
纸质出版日期:2017-9-5,
网络出版日期:2017-6-22,
收稿日期:2017-2-22,
修回日期:2017-4-19,
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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 CdS<sub><em>x</em></sub>Se<sub>1-<em>x</em></sub> 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 CdS<sub><em>x</em></sub>Se<sub>1-<em>x</em></sub> Quantum Dot Silicate Glass[J]. Chinese Journal of Luminescence, 2017,38(9): 1155-1160 DOI: 10.3788/fgxb20173809.1155.
以CdS、Se、Zn粉和玻璃基质为原料,采用高温熔融法制备了CdS
x
Se
1-
x
量子点硅酸盐玻璃,研究了ZnO含量对CdS
x
Se
1-
x
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
x
Se
1-
x
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
Se
1
-x
量子点玻璃中CdS
x
Se
1-
x
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。
CdS
Se
Zn powder and glass matrix were used as raw material to prepare the CdS
x
Se
1-
x
quantum dots silicate glass by using co-melting method. The effect of ZnO content on the microscopic structure and luminescent properties of CdS
x
Se
1-
x
quantum dots silicate glass were studied. Experimental results indicate that ZnO can significantly influence the luminescence properties of CdS
x
Se
1-
x
quantum dots glass. The results of ultraviolet-visible absorption spectrum and fluorescence spectrum analysis show that the CdS
x
Se
1-
x
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.
CdSxSe1-x量子点ZnO玻璃发光性能
CdSxSe1-x quantum dotsZnOglassluminous performance
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MA D W, ZHANG Y N, XU Z S, et al.. Influence of intermediate ZnO on the crystallization of PbSe quantum dots in silicate glasses[J]. J. Am. Ceram. Soc., 2014, 97(8):2455-2461.
陈方祎. 硫硒化镉量子点微晶玻璃制备及发光性能研究[D]. 武汉:武汉理工大学, 2014. CHENG F Y. Preparation and Luminescence Properties of CdSSe Quantum Dots Glass Ceramics[D]. Wuhan:Wuhan University of Technology, 2014. (in Chinese)
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LIU H W, LU J P, FAN H M, et al.. Temperature and composition dependence of photoluminescence dynamics in CdSxSe1-x(0 x 1) nanobelts[J]. J. Appl. Phys., 2012, 111(7):073112-1-6.
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MARDILOVICH P, KROL D M, RISBUD S H. Micron size optically altered regions and nanocrystal formation in femtosecond laser processed CdSxSe1-xdoped silicate glass[J]. Opt. Mater., 2012, 34(11):1767-1770.
胡安民, 李明, 毛大立, 等. ZnO取代部分Al2O3的Li2O-Al2O3-SiO2系微晶玻璃的相变和性能[J]. 硅酸盐学报, 2005, 33(8):990-995. HU A M, LI M, MAO D L, et al.. Phase transition and properties of Li2O-Al2O3-SiO2 system glass ceramic with partial replacement of Al2O3 by ZnO[J]. J. Chin. Ceram. Soc., 2005, 33(8):990-995. (in Chinese)
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