{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,1]],"date-time":"2026-08-01T03:09:49Z","timestamp":1785553789730,"version":"3.56.0"},"reference-count":46,"publisher":"Wiley","issue":"18","license":[{"start":{"date-parts":[[2022,8,10]],"date-time":"2022-08-10T00:00:00Z","timestamp":1660089600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["22172069"],"award-info":[{"award-number":["22172069"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100007129","name":"Natural Science Foundation of Shandong Province","doi-asserted-by":"publisher","award":["ZR2021ME071"],"award-info":[{"award-number":["ZR2021ME071"]}],"id":[{"id":"10.13039\/501100007129","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["chemistry-europe.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["ChemSusChem"],"published-print":{"date-parts":[[2022,9,20]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>The construction of high\u2010performance photocatalyst has always been explored. Covalent organic frameworks (COFs), especially keto\u2010amine\u2010linked COFs, have many advantages, such as adjustable bandgaps, \u03c0\u2013\u03c0 stacking structure, excellent response ability to visible light, high specific surface area, high mobility of carrier carriers, good physical and chemical stability, and so on, showing strong potential applications in photocatalytic solar energy conversion and hydrogen production. Two analogous covalent triazine frameworks (CTFs), T3H\u2010CTF and T3N\u2010CTF, have been synthesized via Schiff\u2010base condensation reactions between 2,4,6\u2010trihydroxybenzene\u20101,3,5\u2010tricarbalehyde (MOP) and the corresponding triazine\u2010based aromatic amines under solvothermal condition. For T3N\u2010CTF, the peripheral aromatic linker to the central triazine unit was the pyridine unit, instead of the benzene unit in the T3H\u2010CTF unit. T3N\u2010CTF had a hydrogen production rate (HPR) of 6485.05\u2005\u03bcmol\u2009g<jats:sup>\u22121<\/jats:sup>\u2009h<jats:sup>\u22121<\/jats:sup>, much higher than that of T3H\u2010CTF (2028.06\u2005\u03bcmol\u2009g<jats:sup>\u22121<\/jats:sup>\u2009h<jats:sup>\u22121<\/jats:sup>). Accordingly, T3N\u2010CTF had a much higher apparent quantum yield (AQY) of 12.2\u2009% than that of T3H\u2010CTF (4.12\u2009%) at 405\u2005nm. The experimental and theoretical results showed that the extended light absorption range, enlarged surface area, and enhanced separation and transportation efficiencies of charge carriers of T3N\u2010CTF compared with T3H\u2010CTF were uniformly induced by the introduction of peripheral nitrogen atoms into the skeleton of former CTF, which eventually boosted the visible\u2010light induced hydrogen evolution reaction (HER). The work suggests a new method for enhancing the intrinsic HER activity by modulating the electronic features of the conjugated COFs by the introduction of pyridinic N atoms.<\/jats:p>","DOI":"10.1002\/cssc.202200828","type":"journal-article","created":{"date-parts":[[2022,7,22]],"date-time":"2022-07-22T22:08:46Z","timestamp":1658527726000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":33,"title":["Effect of Nitrogen Atom Introduction on the Photocatalytic Hydrogen Evolution Activity of Covalent Triazine Frameworks: Experimental and Theoretical Study"],"prefix":"10.1002","volume":"15","author":[{"given":"Xiao","family":"Han","sequence":"first","affiliation":[{"name":"Shandong Key Laboratory of Chemical Energy Storage and New Battery Technology College of Chemistry and Chemical Engineering Liaocheng University  Liaocheng 252059 P. R. 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