Visible light-driven Bi2Sn2O7/reduced graphene oxide nanocomposite for efficient photocatalytic degradation of organic contaminants
作者： Hong Liu , Zhitong Jin , Yun Su , Yong Wang
DOI: 10.1016/J.SEPPUR.2014.12.027
关键词: High-resolution transmission electron microscopy 、 Graphene 、 Raman spectroscopy 、 Analytical chemistry 、 Photocatalysis 、 Materials science 、 Dielectric spectroscopy 、 Rhodamine B 、 X-ray photoelectron spectroscopy 、 Chemical engineering 、 Nanocomposite
摘要: Abstract In this work, a novel Bi2Sn2O7/reduced graphene oxide (RGO) nanocomposite was synthesized by one-step hydrothermal method. The prepared composite characterized means of powder X-ray diffraction (XRD), transmission electron microscopy (TEM), high resolution (HRTEM), energy-dispersive spectrometry (EDS), Raman spectroscopy, photoelectron spectroscopy (XPS), UV–vis diffuse reflectance (DRS), photoluminescence (PL) emission and electrochemical impedance (EIS). photocatalytic activity the Bi2Sn2O7/RGO investigated degradation rhodamine B (RhB) phenol. An increase in observed for compared with pure Bi2Sn2O7 under visible light. enhanced performance mainly ascribed to more effective charge separations excellent adsorption capacity RGO. maintained its ability degrade pollutants efficiently, even after 4 cycles photocatalysis. Further study proved that both holes hydroxyl radicals were active species process.
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