Ag-decorated core-shell Sm2O3@TiO2 nanocomposites with enhanced visible-light photocatalytic performance

doi:10.1016/j.jpcs.2018.07.022

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	Ag-decorated core-shell Sm2O3@TiO2 nanocomposites with enhanced visible-light photocatalytic performance
	Zheng, Xiaogang; Li, Xianfen; Peng, Hao; Wen, Jing
	2018-12
发表期刊	JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS
ISSN	0022-3697
卷号	123 页码:206-215
摘要	Ag-decorated core-shell Sm2O3@TiO2 (Ag-Sm@TiO2) nanocomposites were synthesized for the photocatalytic degradation of rhodamine B (RhB) under visible light irradiation. Compared with core-shell Sm2O3@TiO2 nanoparticles, the enhanced photocatalytic activity of Ag-Sm@TiO2 under visible light region was attributed to the surface plasmonic resonance effect of metallic silver and the interface effect between Sm2O3 and TiO2 in Fenton reaction system. The heterojunction consisted metallic Ag-0 nanoparticles, Sm2O3 core, and TiO2 shell was suitable for the separation of photoexcited electron-hole pairs and the suppression of charge carriers recombination. In addition, the center dot OH radical was the key active radicals for the photocatalytic degradation of RhB in visible light region. Removal efficiency of RhB over Ag-Sm@TiO2 increased and then decreased with the increasing Ag amount, of which the 6-Ag-Sm@TiO2 with metallic Ag-0 nanoparticles of 6.0 wt% exhibited the best photo catalytic activity and slightly deactivated after five cycle times.
DOI	10.1016/j.jpcs.2018.07.022
引用统计
文献类型	期刊论文
条目标识符	http://ir.isl.ac.cn/handle/363002/34499
专题	盐湖资源与化学实验室
推荐引用方式 GB/T 7714	Zheng, Xiaogang,Li, Xianfen,Peng, Hao,et al. Ag-decorated core-shell Sm2O3@TiO2 nanocomposites with enhanced visible-light photocatalytic performance[J]. JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS,2018,123:206-215.
APA	Zheng, Xiaogang,Li, Xianfen,Peng, Hao,&Wen, Jing.(2018).Ag-decorated core-shell Sm2O3@TiO2 nanocomposites with enhanced visible-light photocatalytic performance.JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS,123,206-215.
MLA	Zheng, Xiaogang,et al."Ag-decorated core-shell Sm2O3@TiO2 nanocomposites with enhanced visible-light photocatalytic performance".JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS 123(2018):206-215.

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