• 文献标题:   Direct electrodeposition of hydrogenated reduced graphene oxide from unsonicated solution and its electrochemical response
  • 文献类型:   Article
  • 作  者:   DELLA NOCE R, EUGENIO S, SIWEK KI, SILVA TM, CARMEZIM MJ, SAKITA AMP, LAVALL RL, MONTEMOR MF
  • 作者关键词:   reduced graphene oxide, electrodeposition, cyclic voltammetry
  • 出版物名称:   DIAMOND RELATED MATERIALS
  • ISSN:   0925-9635 EI 1879-0062
  • 通讯作者地址:   Fed Univ Para
  • 被引频次:   0
  • DOI:   10.1016/j.diamond.2020.107740
  • 出版年:   2020

▎ 摘  要

Reduced graphene oxide (rGO) is successfully electrodeposited from a graphene oxide-containing suspension under stirring and no sonication onto Ni foam by applying -1.5 V/SCE. The electrodeposited material is characterized by X-Ray Diffraction (XRD), Scanning electron microscopy (SEM), Raman spectroscopy, Fourier Transform Infra-Red spectroscopy (FTIR) and Thermogravimetric analysis (TGA). FTIR and TGA results indicate the formation of hydrogenated rGO after electrodeposition. In addition, the electrochemical response of the rGO/Ni electrode is evaluated by cyclic voltammetry in 1 M potassium hydroxide solution. The results reveal that the electrode possesses higher conductivity and lower polarization loss compared to bare Ni foam, opening wider perspectives to design composites with improved electrochemical performance.