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

Research output: Contribution to journalArticlepeer-review

242 Citations (Scopus)


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 languageEnglish
Pages (from-to)2567-2570
Number of pages4
JournalAdvanced Functional Materials
Issue number12
Publication statusPublished - 2012 Jun 20


  • degradation of azo dye
  • functional application
  • metallic glass


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