Photocatalytic Activity of Mesoporous Graphitic Carbon Nitride (mpg-C3N4) Towards Organic Chromophores Under UV and VIS Light Illumination


Creative Commons License

Erdogan D. , SEVİM M., Kisa E., Emiroglu D. B. , Karatok M., Vovk E. I. , ...Daha Fazla

TOPICS IN CATALYSIS, cilt.59, ss.1305-1318, 2016 (SCI İndekslerine Giren Dergi) identifier identifier

  • Cilt numarası: 59
  • Basım Tarihi: 2016
  • Doi Numarası: 10.1007/s11244-016-0654-3
  • Dergi Adı: TOPICS IN CATALYSIS
  • Sayfa Sayıları: ss.1305-1318

Özet

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.