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However, its low kinetic barrier favors ethylene formation over C\n                    <jats:sub>2<\/jats:sub>\n                    \u207a alcohols at the selectivity\u2010determining step (SDS). Alloying Cu with secondary metals has been explored to shift selectivity toward alcohols, but these approaches often suffer from poor activity and selectivity. In this work, we probe the role of confinement of reaction intermediates in favoring C\n                    <jats:sub>2+<\/jats:sub>\n                    alcohol selectivity and overall C\n                    <jats:sub>2+<\/jats:sub>\n                    product in oxide\u2010derived hollow Cu\u2013Zn bimetallic catalysts. From finite element method (FEM) simulation, it was observed that hollow catalyst increases the retention time of the reaction intermediates that favor the C\u2500C coupling. Confinement gives rise to a two\u2010fold increment in the overall C\n                    <jats:sub>2+<\/jats:sub>\n                    product. We observed that the hollow Cu\u2013Zn catalyst gives a Faradaic efficiency (FE) of 50.13% toward C\n                    <jats:sub>2+<\/jats:sub>\n                    alcohol and an overall FE of 81% toward C\n                    <jats:sub>2+<\/jats:sub>\n                    product at a very high current density of 300\u00a0mA cm\n                    <jats:sup>\u22122<\/jats:sup>\n                    in 1\u00a0M KHCO\n                    <jats:sub>3<\/jats:sub>\n                    . DFT calculation shows that Zn affects selectivity determining step (SDS) and favors the formation of alcohol over ethylene. Various in situ techniques, such as X\u2010ray absorption spectroscopy, infrared spectroscopy, Raman spectroscopy, and differential electrochemical mass spectroscopy, were used to understand the active phase of the catalyst and mechanism in detail.\n                  <\/jats:p>","DOI":"10.1002\/anie.202523150","type":"journal-article","created":{"date-parts":[[2025,11,24]],"date-time":"2025-11-24T06:53:16Z","timestamp":1763967196000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":15,"title":["Confining Reaction Intermediates in Oxide\u2010Derived Hollow Cu\u2013Zn Bimetallic Catalyst Facilitates Selective Formation of C\n                    <sub>2+<\/sub>\n                    Alcohols from Electrochemical Carbon Dioxide Reduction"],"prefix":"10.1002","volume":"65","author":[{"given":"Nilutpal","family":"Dutta","sequence":"first","affiliation":[{"name":"New Chemistry Unit Jawaharlal Nehru Centre for Advanced Scientific 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