A Facile Synthesis of Hierarchically Porous TiO2 Microspheres with Carbonaceous Species for Visible-light Photocatalysis
来源期刊：JOURNAL OF MATERIALS SCIENCE TECHNOLOG2017年第1期
论文作者：Weigang Liu Yingming Xu Wei Zhou Xianfa Zhang Xiaoli Cheng Hui Zhao Shan Gao Lihua Huo
文章页码：39 - 46
摘 要：Hierarchically porous anatase TiO2 microspheres composited with carbonaceous species（TCS） have been successfully fabricated by a one-step template-free solvothermal method,combined with subsequent low temperature dried process.In this configuration,the TCS microspheres are constructed by the interconnected porous nanosheets,which are further assembled with abundant nanoparticles and carbonaceous species.Such composite microspheres possess a large specific surface area of 337 m2g–1,uniform mesopores of 3.37 nm and high total pore volumes of 0.275 cm3g–1.The materials exhibit the enhanced photocatalytic properties and stability for degradation of rhodamine B（Rh B） under visible-light irradiation.The enhanced photocatalytic degradation performance may be ascribed to their abundant porous structure,large specific surface area and the unique assist-function of the carbonaceous species.
Weigang Liu，Yingming Xu，Wei Zhou，Xianfa Zhang，Xiaoli Cheng，Hui Zhao，Shan Gao，Lihua Huo
Key Laboratory of Functional Inorganic Material Chemistry,Ministry of Education,School of Chemistry and Materials Science,Heilongjiang University
摘 要：Hierarchically porous anatase TiO2 microspheres composited with carbonaceous species（TCS） have been successfully fabricated by a one-step template-free solvothermal method,combined with subsequent low temperature dried process.In this configuration,the TCS microspheres are constructed by the interconnected porous nanosheets,which are further assembled with abundant nanoparticles and carbonaceous species.Such composite microspheres possess a large specific surface area of 337 m2g–1,uniform mesopores of 3.37 nm and high total pore volumes of 0.275 cm3g–1.The materials exhibit the enhanced photocatalytic properties and stability for degradation of rhodamine B（Rh B） under visible-light irradiation.The enhanced photocatalytic degradation performance may be ascribed to their abundant porous structure,large specific surface area and the unique assist-function of the carbonaceous species.
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