Visible-light-driven dye degradation using a floriated ZnIn2S4/AgIn5S8 heteromicrosphere catalyst

CAS OpenIR > 中科院上海应用物理研究所2011-2020年

	Visible-light-driven dye degradation using a floriated ZnIn2S4/AgIn5S8 heteromicrosphere catalyst
	Song, JLQ; Jiang, TT; Ji, GW; Zhang, WT; Cheng, XY; Weng, W; Zhu, LX; Xu, XL; Song, JLQ (reprint author), Univ Sci & Technol China, Chinese Acad Sci, Key Lab Strongly Coupled Quantum Matter Phys, Hefei 230026, Anhui, Peoples R China.
	2015
Source Publication	RSC ADVANCES
ISSN	2046-2069
Volume	5 Issue:116 Pages:95943—95952
Subtype	期刊文献
Abstract	We report the synthesis of ZnIn2S4/AgIn5S8 (ZIS/AIS) heteromicrospheres with tailorable composition and controllable band gap via partial cation exchange for the first time. Detailed studies of the as-prepared samples were carried out using SEM, TEM, STEM-EDS, XRD and layer-by-layer depth XPS analysis. Based on these results, possible cation exchange was proposed, and a critical concentration of Ag+ in the crystals was identified, below which cation exchange cannot occur. Besides, an enhanced photodegradation mechanism was discussed by analyzing the UV-vis-NIR reflectance spectra and the band structure, illustrating that an appropriate thickness of the AIS layer is beneficial to the generation of active species thus favoring the degradation reaction. Further application of dye degradation demonstrated a remarkable photodegradation rate up to 99.2%. Our results shed light on how the cation exchange occurs between ternary and binary crystals, which may open a new avenue to the field for synthesizing materials at the micro-scale.
Keyword	Solid-solution Photocatalysts Partial Cation-exchange Ag2s Quantum Dots In-s Znin2s4 Microspheres Aqueous Synthesis Facile Synthesis H-2 Evolution Nanocrystals Nanoparticles
Language	英语
WOS ID	WOS:000364907300065
Citation statistics
Document Type	期刊论文
Identifier	http://ir.sinap.ac.cn/handle/331007/25095
Collection	中科院上海应用物理研究所2011-2020年
Corresponding Author	Song, JLQ (reprint author), Univ Sci & Technol China, Chinese Acad Sci, Key Lab Strongly Coupled Quantum Matter Phys, Hefei 230026, Anhui, Peoples R China.
Recommended Citation GB/T 7714	Song, JLQ,Jiang, TT,Ji, GW,et al. Visible-light-driven dye degradation using a floriated ZnIn2S4/AgIn5S8 heteromicrosphere catalyst[J]. RSC ADVANCES,2015,5(116):95943—95952.
APA	Song, JLQ.,Jiang, TT.,Ji, GW.,Zhang, WT.,Cheng, XY.,...&Song, JLQ .(2015).Visible-light-driven dye degradation using a floriated ZnIn2S4/AgIn5S8 heteromicrosphere catalyst.RSC ADVANCES,5(116),95943—95952.
MLA	Song, JLQ,et al."Visible-light-driven dye degradation using a floriated ZnIn2S4/AgIn5S8 heteromicrosphere catalyst".RSC ADVANCES 5.116(2015):95943—95952.

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