Browsing by Subject "Graphitic-C3N4"

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    Photocatalytic activity of mesoporous graphitic carbon nitride (mpg-C3N4) towards organic chromophores under UV and VIS light illumination
    (Kluwer Academic Publishers, 2016) Erdogan, D. A.; Sevim, M.; Kısa, E.; Emiroglu, D. B.; Karatok, M.; Vovk, E. I.; Bjerring, M.; Akbey, Ü.; Metin, Ö.; Ozensoy, E.
    A template-assisted synthetic method including the thermal polycondensation of guanidine hydrochloride (GndCl) was utilized to synthesize highly-organized mesoporous graphitic carbon nitride (mpg-C3N4) photocatalysts. Comprehensive structural analysis of the mpg-C3N4 materials were performed by XPS, XRD, FT-IR, BET and solid-state NMR spectroscopy. Photocatalytic performance of the mpg-C3N4 materials was studied for the photodegradation of several dyes under visible and UV light illumination as a function of catalyst loading and the structure of mpg-C3N4 depending on the polycondensation temperature. Among all of the formerly reported performances in the literature (including the ones for Degussa P25 commercial benchmark), currently synthesized mpg-C3N4 photocatalysts exhibit a significantly superior visible light-induced photocatalytic activity towards rhodamine B (RhB) dye. Enhanced catalytic efficiency could be mainly attributed to the terminated polycondensation process, high specific surface area, and mesoporous structure with a wide pore size distribution.