{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,13]],"date-time":"2026-10-13T16:53:27Z","timestamp":1791910407583,"version":"4.3.4"},"reference-count":59,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2024,11,22]],"date-time":"2024-11-22T00:00:00Z","timestamp":1732233600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100004070","name":"Khalifa University of Science, Technology and Research","doi-asserted-by":"publisher","award":["CIRA-2021"],"award-info":[{"award-number":["CIRA-2021"]}],"id":[{"id":"10.13039\/501100004070","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Angew Chem Int Ed"],"published-print":{"date-parts":[[2025,1,27]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>\n                    Tuning the charge density at the active site to balance the adsorption ability and reactivity of oxygen is extremely significant for driving a two\u2010electron oxygen reduction reaction (ORR) to produce hydrogen peroxide (H\n                    <jats:sub>2<\/jats:sub>\n                    O\n                    <jats:sub>2<\/jats:sub>\n                    ). Herein, we have highlighted the influence of intermolecular polarity in covalent organic frameworks (COFs) on the efficiency and selectivity of electrochemical H\n                    <jats:sub>2<\/jats:sub>\n                    O\n                    <jats:sub>2<\/jats:sub>\n                    production. Different C3 symmetric building blocks have been utilized to regulate the charge density at the active sites. The benzene\u2010cored COF, which exhibits reduced polarity than the triazine\u2010cored COF, displayed enhanced performance in H\n                    <jats:sub>2<\/jats:sub>\n                    O\n                    <jats:sub>2<\/jats:sub>\n                    production, achieving 93.1\u2009% selectivity for H\n                    <jats:sub>2<\/jats:sub>\n                    O\n                    <jats:sub>2<\/jats:sub>\n                    at 0.4\u2005V with almost two\u2010electron transfer and a faradaic efficiency of 90.5\u2009%.\n                    <jats:italic>In\u2010situ<\/jats:italic>\n                    electrochemical Raman spectroscopy and scanning electrochemical microscopy (SECM) were employed to confirm H\n                    <jats:sub>2<\/jats:sub>\n                    O\n                    <jats:sub>2<\/jats:sub>\n                    generation and analyze spatial reactivity patterns. These techniques provided detailed insights into localized catalytic behavior, emphasizing the influence of core polarity.\n                  <\/jats:p>","DOI":"10.1002\/anie.202417403","type":"journal-article","created":{"date-parts":[[2024,10,29]],"date-time":"2024-10-29T23:45:32Z","timestamp":1730245532000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":31,"title":["Modulating Core Polarity in Metal\u2010free Covalent Organic Frameworks for Selective Electrocatalytic Hydrogen Peroxide Production"],"prefix":"10.1002","volume":"64","author":[{"given":"Shivangi","family":"Mehta","sequence":"first","affiliation":[{"name":"Department of Chemistry Indian Institute of Technology Ropar  Rupnagar Punjab 140001 India"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nada","family":"Elmerhi","sequence":"additional","affiliation":[{"name":"Department of Chemistry Khalifa University of Science &amp; Technology  Abu Dhabi P.O. Box 127788 UAE"},{"name":"Center for Catalysis &amp; Separations (CeCaS) Khalifa University of Science &amp; Technology  Abu Dhabi P.O. Box 127788 UAE"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sukhjot","family":"Kaur","sequence":"additional","affiliation":[{"name":"Department of Chemistry Indian Institute of Technology Ropar  Rupnagar Punjab 140001 India"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Abdul Khayum","family":"Mohammed","sequence":"additional","affiliation":[{"name":"Department of Chemistry Khalifa University of Science &amp; Technology  Abu Dhabi P.O. Box 127788 UAE"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3545-6668","authenticated-orcid":false,"given":"Tharamani C.","family":"Nagaiah","sequence":"additional","affiliation":[{"name":"Department of Chemistry Indian Institute of Technology Ropar  Rupnagar Punjab 140001 India"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5456-0386","authenticated-orcid":false,"given":"Dinesh","family":"Shetty","sequence":"additional","affiliation":[{"name":"Department of Chemistry Khalifa University of Science &amp; Technology  Abu Dhabi P.O. Box 127788 UAE"},{"name":"Center for Catalysis &amp; Separations (CeCaS) Khalifa University of Science &amp; Technology  Abu Dhabi P.O. 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