MOF-Graphite Oxide Nanocomposites: Surface Characterization and Evaluation as Adsorbents of Ammonia

Abstract

Metal-organic framework (MOF-5)-graphite oxide (GO) composite was synthesized using a solvothermal synthesis route. The parent materials (MOF-5 and GO) and the nanocomposite were characterized using X-ray diffraction, SEM, TEM, FTIR and adsorption of nitrogen. They were also tested as adsorbents of ammonia in dynamic conditions. The composite material obtained had a unique layered texture with a preserved structure of MOF-5 and GO. When tested as ammonia adsorbent, the composite showed some synergy enhancing the adsorption capacity in comparison with the hypothetical physical mixture of the components. Although the removal capacity was high in the presence of moisture, water had a detrimental effect on the chemistry of materials and destroyed their porous framework. This caused ammonia retained on the surface to be progressively desorbed from the materials when the samples were purged with air.

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Document Details

Document Type
Technical Report
Publication Date
Jan 01, 2009
Accession Number
ADA532724

Entities

People

  • C. Petit
  • T. J. Bandosz

Organizations

  • City College of New York

Tags

Communities of Interest

  • Advanced Electronics

DTIC Thesaurus Topics

  • Adsorption
  • Chemical Synthesis
  • Chemistry
  • Composite Materials
  • Density Functional Theory
  • Desorption
  • Diffraction
  • Distortion
  • Electron Microscopy
  • Graphene
  • Graphitic Materials
  • Materials
  • Materials Science
  • Microscopes
  • Nanocomposites
  • X Rays
  • X-Ray Diffraction

Fields of Study

  • Materials science

Readers

  • Electrochemical Engineering/ Fuel Cell Technologies
  • Nanoscale Plasmonic Nanotechnology
  • Rocket Propulsion.