In situ nanoconfinement catalysis for highly efficient redox transformation

Simple item page
dc.contributor.authorChen, Yuhan
dc.contributor.authorTan, Jisheng
dc.contributor.authorChao, Jingbo
dc.contributor.authorZhang, Jingqi
dc.contributor.authorTang, Yang
dc.contributor.authorLiu, Yanping
dc.contributor.authorHu, Qing
dc.contributor.authorCoulon, Frederic
dc.contributor.authorYang, Xiao Jin
dc.date.accessioned2024-11-20T15:06:12Z
dc.date.available2024-11-20T15:06:12Z
dc.date.freetoread2024-11-20
dc.date.issued2024-11-13
dc.date.pubOnline2024-11-01
dc.description.abstractThe rapid reduction of Cr(VI) across a wide pH range, from acidic to alkaline pH conditions to stable Cr(III) species for efficient remediation of Cr(VI) pollution, has long been a challenge. Herein, we propose a new concept of <i>in situ</i> nanoconfinement catalysis (<i>i</i>NCC) for highly efficient remediation of Cr(VI) by growing nanosheets of <i>in situ</i> layered double hydroxide (<i>i</i>LDH) on the surface of Al-Mg-Fe alloy achieving chemical reduction rates of >99% in 1 min from pH 3 to 11 for 100 mg L<sup>-1</sup> Cr(VI) with a rate constant of 201 h<sup>-1</sup>. In stark contrast, the reduction rate is less than 6% in 12 h with a rate constant of 0.77 h<sup>-1</sup> for the pristine Al-Mg-Fe alloy. The ultrafast reduction of Cr(VI) is most likely attributed to the synergistic catalysis of Al<sub>12</sub>Mg<sub>17</sub> and Al<sub>13</sub>Fe<sub>4</sub> and nanoconfinement of MgAlFe-<i>i</i>LDH and superstable mineralization of Cr(III) by MgAlCr<sup>III</sup>- and MgFeCr<sup>III</sup>-<i>i</i>LDHs. This study demonstrates the potential of <i>in situ</i> nanoconfinement catalysis on redox transformation for environmental remediation.
dc.description.journalNameACS Applied Materials and Interfaces
dc.format.extent62010–62021
dc.format.mediumPrint-Electronic
dc.identifier.citationChen Y, Tan J, Chao J, et al., (2024) In situ nanoconfinement catalysis for highly efficient redox transformation. ACS Applied Materials and Interfaces, Volume 16, Issue 45, November 2024, pp. 62010–62021
dc.identifier.eissn1944-8252
dc.identifier.elementsID558559
dc.identifier.issn1944-8244
dc.identifier.urihttps://doi.org/10.1021/acsami.4c12409
dc.identifier.urihttps://dspace.lib.cranfield.ac.uk/handle/1826/23208
dc.languageEnglish
dc.language.isoen
dc.publisherAmerican Chemical Society
dc.publisher.urihttps://pubs.acs.org/doi/10.1021/acsami.4c12409
dc.rightsAttribution 4.0 Internationalen
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subject34 Chemical Sciences
dc.subjectAl alloy intermetallic
dc.subjectAl−Mg−Fe alloy
dc.subjecthexavalent chromium
dc.subjectin situ layered double hydroxide
dc.subjectin situ nanoconfinement catalysis
dc.subjectintercalation reaction
dc.subjectredox transformation
dc.subjectNanoscience & Nanotechnology
dc.subject34 Chemical sciences
dc.subject40 Engineering
dc.subject51 Physical sciences
dc.titleIn situ nanoconfinement catalysis for highly efficient redox transformation
dc.typeArticle
dc.type.subtypeJournal Article
dcterms.dateAccepted2024-10

Files

Original bundle
Now showing 1 - 1 of 1
Thumbnail Image
Name:
In_situ_nanoconfinement_catalysis-2024.pdf
Size:
2.66 MB
Format:
Adobe Portable Document Format
Download
License bundle
Now showing 1 - 1 of 1
No Thumbnail Available
Name:
license.txt
Size:
1.63 KB
Format:
Plain Text
Description:
Download

Collections

Staff publications (SWEE)