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Journal of Materials Science: Materials in Electronics
Erschienen in: Journal of Materials Science: Materials in Electronics 3/2018

08.11.2017

Experimental and theoretical studies on the stable synthesis of a laser protective coating material erbium oxysulfide

verfasst von: Wen Sun, Xiaojuan Yang, Mingxun Yu, Lixi Wang, Qitu Zhang

Erschienen in: Journal of Materials Science: Materials in Electronics | Ausgabe 3/2018

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Abstract

Heavy rare-earth oxysufide Er2O2S was successfully synthesized by using Na2CO3 as flux. The assumed phase evolution processes were verified by the calculation of thermodynamics and the analysis of TG/DSC, XRD, UV–vis, EDS and XPS. The role of Na2CO3 in reaction was proved to be attributed to enhance the chemical potential of S via reacting to form Na2S2O3 and Na2S. The reaction processes were proved to be possible in thermodynamics. The flux Na2CO3 could generate oxygen vacancy due to the formation of \(Na_{{Er}}^{{ \times \times }}\). The band gap, lattice volume and oxygen 1s XPS spectra were investigated to explore the existence of oxygen vacancy. The oxygen vacancy enhanced the stability of Er2O2S crystal structure and could realize the synthesis at a higher temperature. Thus, Na2CO3 not only promoted the preferential formation of Er2O2S but also could effectively stabilize the hexagonal structure of Er2O2S. Meanwhile, compared with K2CO3, Er2O2S/ polymethyl methacrylate (PMMA) coating exhibited a better absorbing property with Na2CO3 as flux.
Vorheriger Artikel Preparation, characterization and properties of PMMA/NiO polymer nanocomposites
Nächster Artikel Composites of NBCTO/MWCNTs/PVDF with high dielectric permittivity and low dielectric loss

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Metadaten
Titel
Experimental and theoretical studies on the stable synthesis of a laser protective coating material erbium oxysulfide
verfasst von
Wen Sun
Xiaojuan Yang
Mingxun Yu
Lixi Wang
Qitu Zhang
Publikationsdatum
08.11.2017
Verlag
Springer US
Erschienen in
Journal of Materials Science: Materials in Electronics / Ausgabe 3/2018
Print ISSN: 0957-4522
Elektronische ISSN: 1573-482X
DOI
https://doi.org/10.1007/s10854-017-8159-9

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