• 文献标题:   Low-temperature synthesis of mesoporous ZnTiO3-graphene composite for the removal of norfloxacin in aqueous solution
  • 文献类型:   Article
  • 作  者:   WU HY, MIN YH, ZHANG Q, LI WS, YUAN JM, WU ZJ, WANG SY
  • 作者关键词:  
  • 出版物名称:   RSC ADVANCES
  • ISSN:   2046-2069
  • 通讯作者地址:   Hunan Univ
  • 被引频次:   2
  • DOI:   10.1039/c6ra17556b
  • 出版年:   2016

▎ 摘  要

A novel mesoporous perovskite-type ZnTiO3-graphene (MZT-GR) material was successfully fabricated via a two-step process in this paper. Initially, mesoporous ZnTiO3 (MZT) was prepared by an evaporation-induced self-assembly method using a polycarboxylate superplasticizer as a template at 500 degrees C, which was subsequently decorated on graphene using a hydrothermal method. The obtained products were characterized by thermogravimetric analysis (TG), Brunauer-Emmett-Teller analysis (BET), X-ray diffraction (XRD), scanning electron microscopy (SEM), high-resolution transmission electron microscopy (HRTEM), UV-visible diffuse reflectance spectroscopy (UV-visible DRS), and Raman spectroscopy. A series of photocatalysis experiments demonstrated that MZT-GR exhibited excellent photocatalytic performance. The degradation efficiency of norfloxacin reached 93% over MZT-GR composites under visible light irradiation for 60 min as compared with pure MZT (53%), which was attributed to MZT-GR's great adsorptivity of contaminants, enhanced light absorption and efficient charge separation properties collectively.