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Synthesis and Functionalization of 3D Nano-graphene Materials: Graphene Aerogels and Graphene Macro Assemblies
Published on: November 5, 2015
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Functionalizing Graphene Oxide with Alkylamine by Gamma-ray Irradiation Method
Noraniza Ahmad Daud1, Buong Woei Chieng2,3, Nor Azowa Ibrahim4,5
1Department of Chemistry, Faculty of Science, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia. noranizaad@gmail.com.
Nanomaterials (Basel, Switzerland)
|June 8, 2017
Summary
Graphene oxide was functionalized with alkylamines using gamma-ray irradiation, enhancing its thermal stability and surface roughness. This modification shows potential for industrial hydrophobic applications.
Area of Science:
- Materials Science
- Nanotechnology
- Polymer Chemistry
Background:
- Graphene oxide (GO) is a versatile material with numerous applications.
- Functionalization is key to tailoring GO properties for specific uses.
- Developing efficient methods for GO functionalization is an active research area.
Purpose of the Study:
- To functionalize graphene oxide (GO) with alkylamines of varying chain lengths using gamma-ray irradiation.
- To characterize the functionalized GO using spectroscopic and diffraction techniques.
- To investigate the impact of alkyl chain length on the morphological and thermal properties of GO.
Main Methods:
- Gamma-ray irradiation was employed for the functionalization of GO with alkylamines.
- Nuclear magnetic resonance (¹H NMR), Fourier transform infrared (FTIR), and X-ray diffraction (XRD) were used for characterization.
- Scanning electron microscopy (SEM) was utilized to analyze morphological changes.
Main Results:
- FTIR confirmed the presence of alkyl chains and C-NH-C bonds, indicating successful functionalization.
- XRD revealed successful intercalation of alkylamines, evidenced by a shift in diffraction peaks.
- SEM analysis showed increased surface roughness with longer alkyl chains.
- Functionalized GO exhibited significantly improved thermal stability compared to pristine GO.
Conclusions:
- Gamma-ray irradiation is an effective method for functionalizing GO with alkylamines.
- The length of the alkyl chain influences the surface morphology and thermal properties of GO.
- Functionalized GO demonstrates potential for application as a hydrophobic material in various industries.
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