期刊
RESEARCH ON CHEMICAL INTERMEDIATES
卷 42, 期 6, 页码 5441-5455出版社
SPRINGER
DOI: 10.1007/s11164-015-2378-6
关键词
TCPP-Fe3O4@S/RGO; Reduced graphene oxide; Photocatalyst; MB
A one-step green-chemistry method was applied to prepare sulfur/reduced graphene oxide (S/RGO). The synthesized S/RGO was modified by 5,10,15,20-tetrakis(4-carboxyphenyl)porphyrin (TCPP) and Fe3O4 nanoparticles to form TCPP-Fe3O4@S/RGO. The prepared composites were investigated by X-ray diffraction (XRD) analysis, Fourier-transform infrared (FT-IR) spectroscopy, X-ray photoelectron spectroscopy (XPS), energy-dispersive X-ray (EDX) mapping, and transmission electron microscopy (TEM) and scanning electron microscopy (SEM) imaging. Diffuse reflectance spectroscopy (DRS) was used to determine the photocatalytic ability of S/RGO and TCPP-Fe3O4@S/RGO. In addition, photocatalytic degradation of a hazardous dye (methylene blue) by the TCPP-Fe3O4@S/RGO composite under visible-light irradiation is reported. The results demonstrate synthesis of TCPP-Fe3O4@S/RGO by an environmentally friendly method with excellent degradation effect.
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