Regulating adsorption performance of zeolites by pre-activation in electric fields

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dc.contributor.authorChen, KFen_AU
dc.contributor.authorYu, Zen_AU
dc.contributor.authorMousavi, SHen_AU
dc.contributor.authorSingh, Ren_AU
dc.contributor.authorGu, QFen_AU
dc.contributor.authorSnurr, RQen_AU
dc.contributor.authorWebley, PAen_AU
dc.contributor.authorLi, GKen_AU
dc.date.accessioned2025-07-14T23:32:09Zen_AU
dc.date.available2025-07-14T23:32:09Zen_AU
dc.date.issued2023-09-06en_AU
dc.date.statistics2025-07-15en_AU
dc.description.abstractWhile multiple external stimuli (e.g., temperature, light, pressure) have been reported to regulate gas adsorption, limited studies have been conducted on controlling molecular admission in nanopores through the application of electric fields (E-field). Here we show gas adsorption capacity and selectivity in zeolite molecular sieves can be regulated by an external E-field. Through E-field pre-activation during degassing, several zeolites exhibited enhanced CO2 adsorption and decreased CH4 and N2 adsorptions, improving the CO2/CH4 and CO2/N2 separation selectivity by at least 25%. The enhanced separation performance of the zeolites pre-activated by E-field was maintained in multiple adsorption/desorption cycles. Powder X-ray diffraction analysis and ab initio computational studies revealed that the cation relocation and framework expansion induced by the E-field accounted for the changes in gas adsorption capacities. These findings demonstrate a regulation approach to sharpen the molecular sieving capability by E-fields and open new avenues for carbon capture and molecular separations. © The Author(s) 2023 - Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.en_AU
dc.description.sponsorshipThis work is sponsored by the Australia Research Council (no. DP190101336, G.K.L., P.A.W., and R.Q.S.). It was undertaken on the Powder X-ray Diffraction beamline at the Australian Synchrotron, part of ANSTO. The simulation was carried out at the Shanxi Supercomputing Center of China, and the calculations were performed on TianHe-2.en_AU
dc.format.mediumElectronicen_AU
dc.identifier.articlenumber5479en_AU
dc.identifier.citationChen, K., Yu, Z., Mousavi, S. H., Singh, R., Gu, Q., Snurr, R. Q., Webley, P. A., & Li, G. K. (2023). Regulating adsorption performance of zeolites by pre-activation in electric fields. Nature Communications, 14(1), 5479. doi:10.1038/s41467-023-41227-4en_AU
dc.identifier.issn2041-1723en_AU
dc.identifier.issue1en_AU
dc.identifier.journaltitleNature Communicationsen_AU
dc.identifier.urihttps://doi.org/10.1038/s41467-023-41227-4en_AU
dc.identifier.urihttps://apo.ansto.gov.au/handle/10238/16301en_AU
dc.identifier.volume14en_AU
dc.languageEnglishen_AU
dc.language.isoenen_AU
dc.publisherSpringer Natureen_AU
dc.subjectAdsorptionen_AU
dc.subjectZeolitesen_AU
dc.subjectActivation analysisen_AU
dc.subjectElectric fieldsen_AU
dc.subjectGas analysisen_AU
dc.subjectDiffractionen_AU
dc.subjectCationsen_AU
dc.subjectCarbonen_AU
dc.subjectMaterialsen_AU
dc.subjectTemperature rangeen_AU
dc.titleRegulating adsorption performance of zeolites by pre-activation in electric fieldsen_AU
dc.typeJournal Articleen_AU
dcterms.dateAccepted2023-08-25en_AU
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