{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,23]],"date-time":"2026-10-23T12:10:35Z","timestamp":1792757435924,"version":"4.5.0"},"reference-count":53,"publisher":"Wiley","issue":"30","license":[{"start":{"date-parts":[[2025,5,24]],"date-time":"2025-05-24T00:00:00Z","timestamp":1748044800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/501100001409","name":"Department of Science and Technology, Ministry of Science and Technology, India","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100001409","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Small"],"published-print":{"date-parts":[[2025,7]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>\n                    In the midst of the global energy crisis, the conversion of solar energy into chemical energy or high\u2010value chemicals has become critical. Hydrogen peroxide (H\n                    <jats:sub>2<\/jats:sub>\n                    O\n                    <jats:sub>2<\/jats:sub>\n                    ), a versatile oxidizing agent, plays an important role in chemical synthesis, medical disinfection, and clean energy generation via fuel cells. Recently, photocatalytic H\n                    <jats:sub>2<\/jats:sub>\n                    O\n                    <jats:sub>2<\/jats:sub>\n                    generation from water and oxygen using covalent organic frameworks (COFs) and metal\u2013organic frameworks (MOFs) has emerged as a sustainable approach. In this context, a novel dimolybdenum paddlewheel\u2010embedded COF (Mo\u2010DHTA COF) is presented and synthesized for photocatalytic H\n                    <jats:sub>2<\/jats:sub>\n                    O\n                    <jats:sub>2<\/jats:sub>\n                    generation. It is observed that Mo sites help to bind the oxygen molecule, while high\u2010energy valence band electrons localized on the \u03b1\u2010hydroquinone moiety of the COF facilitate efficient photoelectron transfer for oxygen reduction. Simultaneously, the reduced electron density above the hydroxy groups in the conduction band serves as a proton source during H\n                    <jats:sub>2<\/jats:sub>\n                    O\n                    <jats:sub>2<\/jats:sub>\n                    production. Due to these synergistic effects, Mo\u2010DHTA COF exhibited an H\n                    <jats:sub>2<\/jats:sub>\n                    O\n                    <jats:sub>2<\/jats:sub>\n                    production rate of 626\u00a0\u00b5mol g\n                    <jats:sup>\u22121<\/jats:sup>\n                    h\n                    <jats:sup>\u22121<\/jats:sup>\n                    in aqueous ethanol and 4084\u00a0\u00b5mol g\n                    <jats:sup>\u22121<\/jats:sup>\n                    h\n                    <jats:sup>\u22121<\/jats:sup>\n                    in aqueous benzyl alcohol, which is found to be higher than the polymeric counterpart of Mo\u2010DHTA (Mo\u2010DHTA\u2010P). This innovative design highlights the potential of metal\u2010embedded crystalline and porous COFs for advanced photocatalytic applications.\n                  <\/jats:p>","DOI":"10.1002\/smll.202501823","type":"journal-article","created":{"date-parts":[[2025,5,24]],"date-time":"2025-05-24T15:41:18Z","timestamp":1748101278000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":16,"title":["A Dimolybdenum Paddlewheel Embedded Covalent Organic Framework for Photocatalytic Hydrogen Peroxide Generation"],"prefix":"10.1002","volume":"21","author":[{"given":"Bidhan","family":"Kumbhakar","sequence":"first","affiliation":[{"name":"Department of Chemical and Biological Sciences S. N. Bose National Centre for Basic Sciences  Kolkata 700106 India"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Avanti","family":"Chakraborty","sequence":"additional","affiliation":[{"name":"Department of Chemical and Biological Sciences S. N. 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