Visible-Light Photocatalysts of ZrO2/AgCl:Eu3+ Nanoparticles

被引：4
|
作者：
Pham Van Huan [1 ]
Phuong Dinh Tam [1 ,2 ]
Vuong-Hung Pham [1 ]
机构：
[1] HUST, AIST, 01 Dai Co Viet Rd, Hanoi, Vietnam
[2] Phenikaa Univ, Fac Mat Sci & Engn, Hanoi 1000, Vietnam
来源：
JOURNAL OF ELECTRONIC MATERIALS | 2019年 / 48卷 / 08期
关键词：
Zirconia; luminescence; precipitation; quenching; photocatalyst; nanoparticles; PHOTOLUMINESCENCE; NANOSTRUCTURES; DEGRADATION; EMISSION; GLASSES; ZRO2; EU; AG;
D O I：
10.1007/s11664-019-07337-w
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
This paper reports the visible-light photocatalysts and luminescence quenching of ZrO2/AgCl:Eu3+ nanoparticles synthesized by the co-precipitation method as a function of AgCl concentration. XRD analysis indicated the presence of crystalline tetragonal ZrO2 and an AgCl phase. The synthesized ZrO2/AgCl:Eu3+ nanoparticles were observed to have a spherical morphology with diameters of approximate to 20nm. The photocatalyst with 2.5% mole fractions of AgCl showed effective degradation of methylene blue under visible light with the decolorization percentage reaching approximate to 95% in 180min. The red emission of Eu3+ in the ZrO2/AgCl:Eu3+ nanoparticles decreased with increasing AgCl mole fraction. Visible-light photocatalysts of ZrO2/AgCl:Eu3+ nanoparticles can be attributed to the presence of AgCl resulting in higher photoexcited charges separation, which can be confirmed by lower luminescence intensity.
引用
收藏
页码：5294 / 5300
页数：7
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