NDLI: Crystal structure and magnetic and photocatalytic properties of a new ternary rare-earth mixed chalcogenide, Dy4S4Te3

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Journal of Materials Chemistry A Vol - 2 Issue - 39

Journal of Materials Chemistry A Vol - 2 Issue - 29

Journal of Materials Chemistry A Vol - 2 Issue - 19

Journal of Materials Chemistry A Vol - 2 Issue - 9

Journal of Materials Chemistry A Vol - 2 Issue - 8

Journal of Materials Chemistry A Vol - 2 Issue - 7

Journal of Materials Chemistry A Vol - 2 Issue - 6

Journal of Materials Chemistry A Vol - 2 Issue - 5

Journal of Materials Chemistry A Vol -1

Crystal structure and magnetic and photocatalytic properties of a new ternary rare-earth mixed chalcogenide, Dy₄S₄Te₃

Content Provider	Royal Society of Chemistry (RSC)
Author	Guo, Sheng-Ping Guo, Guo-Cong
Copyright Year	2014
Abstract	The ternary dysprosium sulfur telluride Dy4S4Te3 was synthesized by a facile solid-state route with boron as the reducing reagent. It crystallizes in the monoclinic space group C2/m with a = 6.720 (1), b = 13.748 (2), c = 6.715 (1) Å and β = 103.36 (1)°, belongs to the Ho4S4Te2.68 structure type, and its 3-D structure features 2-D ladder-like (DyS)n layers linked by Dy–Te1 and Dy–Te2 bonds with additional Te1–Te1 dumbbells. The (DyS)n layers and the (DyQ)n (Q = S, Se and Te) layers in other binary Dy–Q compounds are compared. Measurement of it magnetic susceptibility shows its paramagnetic behavior. The investigation of its optical properties indicates that it has an energy gap of 1.43 eV, which is also verified by the electronic band structure calculation via the Vienna ab initio simulation package (VASP). The photocatalytic behavior of the polycrystalline powder sample investigated by decomposing rhodamine B under halogen lamp irradiation indicates that its photocatalytic activity can be comparable to that of Degussa P25 TiO2.
Starting Page	20621
Ending Page	20628
Page Count	8
File Format	HTM / HTML PDF
ISSN	20507488
Volume Number	2
Issue Number	48
Journal	Journal of Materials Chemistry A
DOI	10.1039/c4ta04757e
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	VASP Degussa Dy Vienna Dysprosium Sulfur Boron Reagent Monoclinic crystal system Space group Magnetic susceptibility Paramagnetism Electronvolt Electronic band structure University of Vienna Vienna Ab initio Simulation Package Crystallite Rhodamine Halogen lamp Evonik Industries
Content Type	Text
Resource Type	Article
Subject	Chemistry Renewable Energy, Sustainability and the Environment Materials Science

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