Three-dimensional B,N-doped Graphene Foam as a Metal-free Catalyst for Oxygen Reduction Reaction

Abstract

Using a modified chemical vapor deposition (CVD) method, we have prepared a class of new graphene foams (GFs) doped with nitrogen, boron or both. Nitrogen-doped graphene foams (N-GFs) with a nitrogen doping level of 3.1 atom% were prepared by CVD of CH4 in the presence of NH3 while borondoped graphene foams (B-GFs) with a boron doping level of 2.1 atom% were produced by using toluene and triethyl borate as a carbon and a boron source. On the other hand, graphene foams co-doped with nitrogen (4.5 atom%) and boron (3 atom%) (BN-GFs) were prepared by CVD using melamine diborate as the precursor. In all cases, scanning electron microscope (SEM) images revealed well-defined foam-like microstructures, while electrochemical measurements showed much higher electrocatalytic activities toward oxygen reduction reaction for the doped graphene foams than their undoped counterparts.

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Document Details

Document Type
Technical Report
Publication Date
Jan 01, 2013
Accession Number
ADA585424

Entities

People

  • Ajit Roy
  • Dingqiang Li
  • Dingshan Yu
  • Fan Lu
  • Hao Chen
  • Jia Qu
  • Liming Dai
  • Ruigang Wang
  • Yong Liu
  • Yuhua Xue

Organizations

  • Case Western Reserve University

Tags

Communities of Interest

  • Advanced Electronics

DTIC Thesaurus Topics

  • Carbon Nanotubes
  • Catalysts
  • Chemical Synthesis
  • Chemical Vapor Deposition
  • Chemistry
  • Electron Microscopes
  • Electron Microscopy
  • Graphene
  • Materials
  • Measurement
  • Microscopes
  • Oxidation Reduction Reactions
  • Raman Spectra
  • Scanning Electron Microscopes
  • Spectra
  • Three Dimensional
  • Two Dimensional

Fields of Study

  • Materials science

Readers

  • Materials Science and Engineering.
  • Nanocomposite Materials Science
  • Organic Chemistry

Technology Areas

  • Microelectronics
  • Microelectronics - Graphene