Journal
NPJ MATERIALS DEGRADATION
Volume 7, Issue 1, Pages -Publisher
NATURE PORTFOLIO
DOI: 10.1038/s41529-023-00390-1
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A ternary MoCoB metallic glass microwire catalyst with exceptional Fenton-like activity for degrading various dyes in a wide pH range has been reported. The catalyst shows excellent reusability and the bimetallic effect accelerates the electronic transfer kinetics, enabling the generation of multiple reactive oxygen species.
One important goal of the current Fenton-like catalysts is to develop highly efficient and pH-universal catalysts that can operate with little performance degradation over multiple recycles. Herein, we report a ternary MoCoB metallic glass (MG) microwire catalyst, which shows exceptional Fenton-like activity for degrading various dyes in a wide pH range (5-10). Moreover, the MoCoB MG catalyst with an ultrahigh glass-transition temperature of 1002 K exhibits excellent reusability and can be used for more than 46 times without a decay in efficiency. It is regarded that the excellent catalytic activity and sustainability of the MoCoB MG catalyst originates from the bimetallic effect involving Mon/Mon+1 and Con+1/Con cycling, which accelerates the electronic transfer kinetics, enabling the generation of multiple reactive oxygen species (& BULL;OH and & BULL;O2-). First-Principles Calculations revealed again that MG catalysts provide a large electron base for the whole catalytic process.
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