• 文献标题:   Ultrafine cobalt nanoparticles supported on reduced graphene oxide: Efficient catalyst for fast reduction of hexavalent chromium at room temperature
  • 文献类型:   Article
  • 作  者:   XU TT, XUE JJ, ZHANG XL, HE GY, CHEN HQ
  • 作者关键词:   corgo, composite material, hcooh, catalytic activity, cr vl reduction
  • 出版物名称:   APPLIED SURFACE SCIENCE
  • ISSN:   0169-4332 EI 1873-5584
  • 通讯作者地址:   Changzhou Univ
  • 被引频次:   18
  • DOI:   10.1016/j.apsusc.2017.01.114
  • 出版年:   2017

▎ 摘  要

A novel composite ultrafine cobalt nanoparticles-reduced graphene oxide (Co-RGO) was firstly synthesized through a modified one-step solvothermal method with Co(OH)(2) as the precursor. The prepared low-cost Co-RGO composite exhibited excellent catalytic activity for the reduction of highly toxic Cr(VI) to nontoxic Cr(III) at room temperature when formic acid (HCOOH) was employed as the reductant, and its catalytic performance was even comparable with that of noble metal-based catalysts in the same reduction reaction. Moreover, Co-RGO composite could be readily recovered under an external magnetic field and efficiently participated in recycled reaction for Cr(Vl) reduction. (C) 2017 Elsevier B.V. All rights reserved.