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By precisely arranging building blocks into a D\u2010A\u2010A\u2032\u2010A\u2010D configuration, photogenerated electrons from dual donors are funneled and confined at the high\u2010electron\u2010affinity A\u2032 center. This spatial convergence creates a localized \u201celectron reservoir\u201d that significantly enhances oxygen adsorption and activation, thereby optimizing the oxygen reduction kinetics at the active sites. Consequently, the charge accumulation D\u2010A\u2010A\u2032\u2010A\u2010D configured representative material COF\u20112CN\u20112 delivers a H\n                    <jats:sub>2<\/jats:sub>\n                    O\n                    <jats:sub>2<\/jats:sub>\n                    evolution rate of 6864.68 \u00b5mol\u00b7g\n                    <jats:sup>\u22121<\/jats:sup>\n                    \u00b7h\n                    <jats:sup>\u22121<\/jats:sup>\n                    without sacrificial agents or external oxygen, with an apparent quantum yield (AQY) of 14.13% at 420\u00a0nm and a solar\u2011to\u2011chemical conversion (SCC) efficiency of 1.27%, which significantly surpasses those obtained with conventional structural arrangements. Notably, it maintains robust photocatalytic activity under natural sunlight in real water. This work offers novel insights into enhancing charge transport within multicomponent COFs and provides a rational design strategy for high\u2011performance photocatalysts.\n                  <\/jats:p>","DOI":"10.1002\/anie.8513334","type":"journal-article","created":{"date-parts":[[2026,4,2]],"date-time":"2026-04-02T13:05:24Z","timestamp":1775135124000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":11,"title":["Charge Accumulation Engineering in Covalent Organic Frameworks for Enhancing Photocatalytic H\n                    <sub>2<\/sub>\n                    O\n                    <sub>2<\/sub>\n                    Production"],"prefix":"10.1002","volume":"65","author":[{"given":"Jialong","family":"Lv","sequence":"first","affiliation":[{"name":"College of Environmental and Safety Engineering Fuzhou University  Fuzhou P. R. 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