Crystallinity could have a decisive influence on photocatalytic performance. In this study, the synthesis of crystalline carbon nitride (CN) was studied via an ionic melt polycondensation of urea precursor in the presence of various salt melts, which were KCl-LiCl, KCl-NaCl, and KCl-ZnCl2. While all the salt melts helped to improve the optical properties of the CN, only KCl-LiCl salt melt could form crystalline CN as evidenced by its X-ray diffraction pattern. Furthermore, the specific surface area of CN (72 m2/g) was maintained when using KCl-LiCl (73 m2/g), but it was decreased in the presence of KCl-NaCl (22 m2/g) or KCl-ZnCl2 (17 m2/g).
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Synthesis of highly active crystalline carbon nitride prepared in various salt melts for photocatalytic degradation of phenol
Synthesis of highly active crystalline carbon nitride prepared in various salt melts for photocatalytic degradation of phenol
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Journal of Chemistry Carbon nitride Salt melt Crystalline carbon nitride Oxidation catalysts Crystalline photocatalystTài liệu có liên quan:
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