{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,7]],"date-time":"2026-09-07T21:34:09Z","timestamp":1788816849343,"version":"build-2803163510"},"reference-count":49,"publisher":"Wiley","issue":"8","license":[{"start":{"date-parts":[[2024,12,3]],"date-time":"2024-12-03T00:00:00Z","timestamp":1733184000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100003246","name":"Nederlandse Organisatie voor Wetenschappelijk Onderzoek","doi-asserted-by":"publisher","award":["E2CB, NWO project number P17-09-01"],"award-info":[{"award-number":["E2CB, NWO project number P17-09-01"]}],"id":[{"id":"10.13039\/501100003246","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["chemistry-europe.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["ChemSusChem"],"published-print":{"date-parts":[[2025,4,14]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>The electrochemical reduction of carbon dioxide (CO<jats:sub>2<\/jats:sub>) presents an opportunity to close the carbon cycle and obtain sustainably sourced carbon compounds. In recent years, copper has received widespread attention as the only catalyst capable of meaningfully producing multi\u2010carbon (C<jats:sub>2+<\/jats:sub>) species. Notably carbon monoxide (CO) can also be reduced to C<jats:sub>2+<\/jats:sub> compounds on copper, motivating tandem systems that combine copper and CO\u2010producing species, like silver, to enhance overall C<jats:sub>2+<\/jats:sub> selectivities. In this work, we examine the impact of layered\u2010combinations of bulk Cu and Ag by varying the location and proportion of the CO\u2010producing Ag layer. We report an effective increase in the C<jats:sub>2+<\/jats:sub> oxygenate selectivity from 23\u2009% with a 100\u2005nm Cu to 38\u2009% for a 100\u2009:\u200915\u2005nm Cu\u2009:\u2009Ag layer. Notably, however, for all co\u2010catalyst cases there is an overproduction of CO vs Cu alone, even for 5\u2005nm Ag layers. Lastly, due to restructuring and interlayer mobility of the copper layer it is clear that the stability of copper limits the locational advantages of such tandem solutions.<\/jats:p>","DOI":"10.1002\/cssc.202401769","type":"journal-article","created":{"date-parts":[[2024,11,25]],"date-time":"2024-11-25T14:39:04Z","timestamp":1732545544000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":10,"title":["Bulk Layering Effects of Ag and Cu for Tandem CO<sub>2<\/sub> Electrolysis"],"prefix":"10.1002","volume":"18","author":[{"given":"Mark","family":"Sassenburg","sequence":"first","affiliation":[{"name":"Department of Chemical Engineering Delft University of Technology  2629HZ Delft The Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9594-392X","authenticated-orcid":false,"given":"H. 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