Simultaneous fabrication of porous metals and metallic nanowires via atmospheric pressure plasma-assisted electro-dealloying

Lu, An-Kang; Li, HanYu; Yu, Yang; Liu, Lin

doi:10.1007/s11431-022-2259-0

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2023

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“…Consequently, the charged melted part is ejected from the electrode with the help of the sheath's electric field, leaving the residual part evolve into nanoporous structure. The detailed mechanism of the PED process was discussed in the previous work [24]. Here, the addition of H 2 is crucial for this PED process, NP-Fe cannot be obtained without the presence of H 2 .…”

Section: Resultsmentioning

confidence: 97%

Rapid fabrication of nanoporous iron by atmospheric plasma for efficient wastewater treatment

et al. 2023

Nanotechnology

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Nanoporous (NP) iron with large surface area is highly desired for wastewater degradation catalysis. However, it remains a challenge for the fabrication of NP-Fe because the conventional aqueous dealloying or liquid metal dealloying are not applicable. Herein, a novel and universal plasma-assisted electro-dealloying (PED) technique was utilized to fabricate NP-Fe. The NP-Fe demonstrates evenly distributed pore structure. The pore density can be tuned by the variation of the ratio of Fe and Zn in the precursor, and the average pore size can be tuned by the processing time. Owing to its large specific surface area, the NP-Fe shows excellent wastewater degradation performance, which is 26 times better than that of commercial zero–valent iron (ZVI) catalysts. This study provides a useful approach to fabricate NP active metals with enhanced catalytic performance.

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Section: Resultsmentioning

confidence: 97%

Simultaneous fabrication of porous metals and metallic nanowires via atmospheric pressure plasma-assisted electro-dealloying

Cited by 1 publication

References 41 publications

Rapid fabrication of nanoporous iron by atmospheric plasma for efficient wastewater treatment

Rapid fabrication of nanoporous iron by atmospheric plasma for efficient wastewater treatment

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