Rapid degradation of Azo dye by Fe-based metallic glass powder

Jun Qiang Wang; Yan Hui Liu; Ming Wei Chen; Guo Qiang Xie; Dmitri V. Louzguine-Luzgin; Akihisa Inoue; John H. Perepezko

doi:10.1002/adfm.201103015

Rapid degradation of Azo dye by Fe-based metallic glass powder

Jun Qiang Wang, Yan Hui Liu, Ming Wei Chen, Guo Qiang Xie, Dmitri V. Louzguine-Luzgin, Akihisa Inoue, John H. Perepezko

Advanced Institute for Materials Research (AIMR)

Research output: Contribution to journal › Article › peer-review

242 Citations (Scopus)

Abstract

The outstanding efficiency of Fe-based metallic glass powders in degrading organic water contaminants is reported. While the glassy alloy contains 24% chemically inactive metalloid elements, the powders are capable to completely decompose the C ₃₂H ₂₀N ₆Na ₄O ₁₄S ₄ azo dye in aqueous solution in short time, about 200 times faster than the conventional Fe powders. The metastable thermodynamic nature and the particle surface topography are the major factors controlling the chemical performance of the metallic glass. Our findings may open a new opportunity for functional applications of metallic glasses.

Original language	English
Pages (from-to)	2567-2570
Number of pages	4
Journal	Advanced Functional Materials
Volume	22
Issue number	12
DOIs	https://doi.org/10.1002/adfm.201103015
Publication status	Published - 2012 Jun 20

Keywords

degradation of azo dye
functional application
metallic glass

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10.1002/adfm.201103015

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abstract = "The outstanding efficiency of Fe-based metallic glass powders in degrading organic water contaminants is reported. While the glassy alloy contains 24% chemically inactive metalloid elements, the powders are capable to completely decompose the C 32H 20N 6Na 4O 14S 4 azo dye in aqueous solution in short time, about 200 times faster than the conventional Fe powders. The metastable thermodynamic nature and the particle surface topography are the major factors controlling the chemical performance of the metallic glass. Our findings may open a new opportunity for functional applications of metallic glasses.",

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AU - Liu, Yan Hui

AU - Chen, Ming Wei

AU - Xie, Guo Qiang

AU - Louzguine-Luzgin, Dmitri V.

AU - Inoue, Akihisa

AU - Perepezko, John H.

PY - 2012/6/20

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N2 - The outstanding efficiency of Fe-based metallic glass powders in degrading organic water contaminants is reported. While the glassy alloy contains 24% chemically inactive metalloid elements, the powders are capable to completely decompose the C 32H 20N 6Na 4O 14S 4 azo dye in aqueous solution in short time, about 200 times faster than the conventional Fe powders. The metastable thermodynamic nature and the particle surface topography are the major factors controlling the chemical performance of the metallic glass. Our findings may open a new opportunity for functional applications of metallic glasses.

AB - The outstanding efficiency of Fe-based metallic glass powders in degrading organic water contaminants is reported. While the glassy alloy contains 24% chemically inactive metalloid elements, the powders are capable to completely decompose the C 32H 20N 6Na 4O 14S 4 azo dye in aqueous solution in short time, about 200 times faster than the conventional Fe powders. The metastable thermodynamic nature and the particle surface topography are the major factors controlling the chemical performance of the metallic glass. Our findings may open a new opportunity for functional applications of metallic glasses.

KW - degradation of azo dye

KW - functional application

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Rapid degradation of Azo dye by Fe-based metallic glass powder

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Keywords

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