{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,12]],"date-time":"2026-08-12T14:38:19Z","timestamp":1786545499066,"version":"build-2736575974"},"reference-count":41,"publisher":"Wiley","issue":"15","license":[{"start":{"date-parts":[[2026,7,28]],"date-time":"2026-07-28T00:00:00Z","timestamp":1785196800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2026,7,28]],"date-time":"2026-07-28T00:00:00Z","timestamp":1785196800000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["chemistry-europe.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["ChemSusChem"],"published-print":{"date-parts":[[2026,8,14]]},"abstract":"<jats:p>\n                    Alkali metal ions (Li\n                    <jats:sup>+<\/jats:sup>\n                    , Na\n                    <jats:sup>+<\/jats:sup>\n                    , K\n                    <jats:sup>+<\/jats:sup>\n                    , Rb\n                    <jats:sup>+<\/jats:sup>\n                    , Cs\n                    <jats:sup>+<\/jats:sup>\n                    ) are systematically doped into graphitic carbon nitride (g\u2010C\n                    <jats:sub>3<\/jats:sub>\n                    N\n                    <jats:sub>4<\/jats:sub>\n                    , CN) to investigate the periodic regulation of photocatalytic H\n                    <jats:sub>2<\/jats:sub>\n                    O\n                    <jats:sub>2<\/jats:sub>\n                    production. Using ethanol as a sacrificial agent under visible\u2010light irradiation, the H\n                    <jats:sub>2<\/jats:sub>\n                    O\n                    <jats:sub>2<\/jats:sub>\n                    generation rate exhibits a pronounced volcano\u2010type trend along the Li\u2013Na\u2013K\u2013Rb\u2013Cs series, with K\n                    <jats:sup>+<\/jats:sup>\n                    \u2010doped CN achieving the highest activity of 1795\u2009\u00b5mol\u2009g\n                    <jats:sup>\u22121<\/jats:sup>\n                    \u2009h\n                    <jats:sup>\u22121<\/jats:sup>\n                    , representing a 2.1\u2010fold enhancement over pristine CN. Mechanistic studies reveal that alkali metal ions incorporation modulates the electronic structure of CN through orbital interactions, enhances \u03c0\u2010conjugation, promotes charge separation, and facilitates interfacial charge transport. Density functional theory (DFT) calculations further indicate that the introduction of alkali metal ions lowers the energy barriers of key 2e\n                    <jats:sup>\u2212<\/jats:sup>\n                    oxygen reduction reaction steps and establishes a kinetically efficient pathway for the selective formation of H\n                    <jats:sub>2<\/jats:sub>\n                    O\n                    <jats:sub>2<\/jats:sub>\n                    . This work presents a periodic law\u2010guided orbital modulation strategy and provides a rational design principle for high\u2010performance CN\u2010based photocatalysts.\n                  <\/jats:p>","DOI":"10.1002\/cssc.70934","type":"journal-article","created":{"date-parts":[[2026,7,29]],"date-time":"2026-07-29T06:14:11Z","timestamp":1785305651000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Periodic Alkali Metal Modulation of Carbon Nitride for Volcano\u2010Type Photocatalytic H\n                    <sub>2<\/sub>\n                    O\n                    <sub>2<\/sub>\n                    Production"],"prefix":"10.1002","volume":"19","author":[{"given":"Wenxin","family":"Jin","sequence":"first","affiliation":[{"name":"College of Environment and Chemical Engineering Dalian University  Dalian Liaoning P. R. 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