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Issue 12, 2016
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Crystal and electronic structures, and photoluminescence and photocatalytic properties of α-EuZrS3

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Abstract

A new phase of EuZrS3 (α phase) was obtained via a high-temperature solid-state reaction. It crystallizes in the orthorhombic space group Pnma with a = 8.465(3), b = 3.808(1), c = 13.823(4) Å and V = 445.5(2) Å3, belonging to the NH4CdCl3 structure type. Its crystal structure features a 3-D network constructed by EuS8 bicapped trigonal prisms (bctps) and Zr4+ ions that occupy the octahedral cavities. Ultraviolet-visible-near infrared band gap analysis shows an energy gap of 1.09 eV, which is verified by electronic band structure calculations. A typical photoluminescence phenomenon of Eu2+ can be observed at 575 nm. The photocatalytic behavior of rod-like α-EuZrS3 crystals was investigated by decomposing methylene blue under visible light and simulated sunlight irradiation.

Graphical abstract: Crystal and electronic structures, and photoluminescence and photocatalytic properties of α-EuZrS3

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The article was received on 07 Jul 2016, accepted on 17 Oct 2016 and first published on 19 Oct 2016


Article type: Paper
DOI: 10.1039/C6NJ02106A
Citation: New J. Chem., 2016,40, 10219-10226
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    Crystal and electronic structures, and photoluminescence and photocatalytic properties of α-EuZrS3

    S. Guo, Y. Chi, J. Zou and H. Xue, New J. Chem., 2016, 40, 10219
    DOI: 10.1039/C6NJ02106A

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