Journal
MACROMOLECULAR RAPID COMMUNICATIONS
Volume 36, Issue 20, Pages 1799-1805Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/marc.201500270
Keywords
covalent triazine-based frameworks; photocatalysis; visible light; water splitting
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Funding
- National Natural Science Foundation of China [21003022, 21177024, 21203026]
- State Key Laboratory of Photocatalysis on Energy and Environment [2014C03]
- Natural Science Foundation of Fujian Province [2014J01047]
- University Distinguished Young Research Talent Training Program of Fujian Province [JA12019]
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Covalent triazine-based frameworks (CTFs) with a graphene-like layered morphology have been controllably synthesized by the trifluoromethanesulfonic acid-catalyzed nitrile trimerization reactions at room temperature via selecting different monomers. Platinum nanoparticles are well dispersed in CTF-T1, which is ascribed to the synergistic effects of the coordination of triazine moieties and the nanoscale confinement effect of CTFs. CTF-T1 exhibits excellent photocatalytic activity and stability for H-2 evolution in the presence of platinum under visible light irradiation ( 420 nm). The activity and stability of CTF-T1 are comparable to those of g-C3N4. Importantly, as a result of the tailorable electronic and spatial structures of CTFs that can be achieved through the judicial selection of monomers, CTFs not only show great potential as organic semiconductor for photocatalysis but also may provide a molecular-level understanding of the inherent heterogeneous photocatalysis.
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