IMR OpenIR
Ultrafast degradation of azo dyes catalyzed by cobalt-based metallic glass
Qin, X. D.; Zhu, Z. W.; Liu, G.; Fu, H. M.; Zhang, H. W.; Wang, A. M.; Li, H.; Zhang, H. F.; zwzhu@imr.ac.cn; hfzhang@imr.ac.cn
2015
发表期刊SCIENTIFIC REPORTS
ISSN2045-2322
卷号5页码:-
摘要Reactivity and mass loss are considered mutually exclusive in conventional zero-valent metal (ZVM) technology to treat environmental contaminants. Here, we report the outstanding performance of Co-based metallic glass (MG) in degrading an aqueous solution of azo dye, thus eliminating this trade-off. Ball-milled Co-based MG powders completely degrade Acid Orange II at an ultrafast rate. The surface-area-normalized rate constant of Co-based MG powders was one order of magnitude higher than that of Co-based crystalline counterparts and three orders of magnitude higher than that of the widely studied Fe-0 powders. The coordinatively unsaturated local structure in Co-based MG responds to the catalysis for degradation, resulting in very low mass loss. Wide applicability and good reusability were also present. Co-based MG is the most efficient material for azo dye degradation reported thus far, and will promote the practical application of MGs as functional materials.
部门归属[qin, x. d. ; zhu, z. w. ; liu, g. ; fu, h. m. ; zhang, h. w. ; wang, a. m. ; li, h. ; zhang, h. f.] chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china ; [qin, x. d.] univ chinese acad sci, beijing 100049, peoples r china
资助者National Natural Science Foundation of China [51101156]; "One Hundred Talented People" program of the Chinese Academy of Sciences and Youth Innovation Promotion Association CAS
收录类别sci
语种英语
文献类型期刊论文
条目标识符http://ir.imr.ac.cn/handle/321006/75231
专题中国科学院金属研究所
通讯作者zwzhu@imr.ac.cn; hfzhang@imr.ac.cn
推荐引用方式
GB/T 7714
Qin, X. D.,Zhu, Z. W.,Liu, G.,et al. Ultrafast degradation of azo dyes catalyzed by cobalt-based metallic glass[J]. SCIENTIFIC REPORTS,2015,5:-.
APA Qin, X. D..,Zhu, Z. W..,Liu, G..,Fu, H. M..,Zhang, H. W..,...&hfzhang@imr.ac.cn.(2015).Ultrafast degradation of azo dyes catalyzed by cobalt-based metallic glass.SCIENTIFIC REPORTS,5,-.
MLA Qin, X. D.,et al."Ultrafast degradation of azo dyes catalyzed by cobalt-based metallic glass".SCIENTIFIC REPORTS 5(2015):-.
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