Cr doped SnS2 nanoflowers: Preparation, characterization and photocatalytic decolorization

doi:10.1016/j.mssp.2018.08.011

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	Cr doped SnS2 nanoflowers: Preparation, characterization and photocatalytic decolorization
	Zhao, Wenhua 1,2; Wei, Zhiqiang 1,2; Zhang, Li 1,2; Wu, Xiaojuan 2; Wang, Xuan 2
刊名	MATERIALS SCIENCE IN SEMICONDUCTOR PROCESSING
	2018-12
卷号	88 页码:173-180
关键词	Cr doped SnS2 Microstructure Optical Photocatalytic
ISSN号	1369-8001
DOI	10.1016/j.mssp.2018.08.011
英文摘要	The Sn1-xCrxS2 (x = 0, 0.01, 0.03, 0.05 and 0.07) nanoflowers with different molar ratios were prepared via hydrothermal at a low temperature of 180 degrees C. All samples were characterized by XRD, FT-IR, SEM, EDS, TEM, XPS, UV-vis and PL. The Sn(1-x)Cr(x)S(2 )nanoflowers are single-phase wurtzite structure with good crystallinity, which is confirmed by the XRD, and FT-IR results. XPS and EDS results demonstrate that Cr is present in the valence of Cr3+ ions. Based on the SEM and TEM analysis, the size of doped samples is nearly flower-like similar to 1.5 mu m. The band gap of Sn0.95Cr0.05S2 (2.24 eV) is the largest in the doped samples, which displays the most similar to that of the pure SnS2 nanoflowers (2.27 eV). The photocatalytic activity of the Cr doped SnS2 nanoflowers is evaluated towards the decolorization of rhodamine B under visible irradiation with good cyclability and stability. Moreover, the main active species are center dot OH and h(+). Accordingly, Cr doped SnS2 displays super photocatalytic performance in dyes decomposition showing the lowest intensity in the PL spectra with doped optimum 5% Cr concentration.
资助项目	National Natural Science Foundation of China[51261015] ; Natural Science Foundation of Gansu Province, China[1308RJZA238]
WOS研究方向	Engineering ; Materials Science ; Physics
语种	英语
出版者	ELSEVIER SCI LTD
WOS记录号	WOS:000443569500025
状态	已发表
内容类型	期刊论文
源URL	[http://119.78.100.223/handle/2XXMBERH/32286]
专题	理学院省部共建有色金属先进加工与再利用国家重点实验室
通讯作者	Wei, Zhiqiang
作者单位	1.Lanzhou Univ Technol, State Key Lab Adv Proc & Recycling Nonferrous Met, Lanzhou 730050, Gansu, Peoples R China 2.Lanzhou Univ Technol, Sch Sci, Lanzhou 730050, Gansu, Peoples R China
推荐引用方式 GB/T 7714	Zhao, Wenhua,Wei, Zhiqiang,Zhang, Li,et al. Cr doped SnS2 nanoflowers: Preparation, characterization and photocatalytic decolorization[J]. MATERIALS SCIENCE IN SEMICONDUCTOR PROCESSING,2018,88:173-180.
APA	Zhao, Wenhua,Wei, Zhiqiang,Zhang, Li,Wu, Xiaojuan,&Wang, Xuan.(2018).Cr doped SnS2 nanoflowers: Preparation, characterization and photocatalytic decolorization.MATERIALS SCIENCE IN SEMICONDUCTOR PROCESSING,88,173-180.
MLA	Zhao, Wenhua,et al."Cr doped SnS2 nanoflowers: Preparation, characterization and photocatalytic decolorization".MATERIALS SCIENCE IN SEMICONDUCTOR PROCESSING 88(2018):173-180.