Pyrolytic Synthesis of Bifunctional g-C3N4 Derived from Melamine

Li Cheng Wu; Huan Yan Xu; Hang Zhao

doi:10.4028/www.scientific.net/AMM.618.215

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 618Pyrolytic Synthesis of Bifunctional g-C3N4 Derived...

Pyrolytic Synthesis of Bifunctional g-C₃N₄ Derived from Melamine

Abstract:

Graphitic carbon nitride (g-C₃N₄) polymer material was synthesized via a simple approach by directly heating melamine as the precursor at 500°C. The phase composition, chemical functional groups, and surface morphology of the obtained product were studied by X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FT-IR), and scanning electron microscopy (SEM), respectively. All the characterization results identified the formation of g-C₃N₄ with stack-layered structure. The absorption and photocatalytic performance of as-synthesized g-C₃N₄ for the discoloration of an active dye, Methylene Blue (MB), were proved to be excellent and control experiments inferred that adsorption and photocatalysis governed the MB discoloration under UV irradiation. The repeated experiments indicated that the obtained sample could be reused more than five times without loss of its absorption capacity and photocatalytic activity.

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Periodical:

Applied Mechanics and Materials (Volume 618)

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215-219

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https://doi.org/10.4028/www.scientific.net/AMM.618.215

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Online since:

August 2014

Authors:

Li Cheng Wu, Huan Yan Xu*, Hang Zhao

Keywords:

Dye Degradation, Graphitic Carbon Nitride, Photocatalysis, Semiconductor

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