Interactions of Graphene Oxide and Silver Nanowires for Electromagnetic Shielding
Author Information
Author(s): Milenković Mila, Saeed Warda, Yasir Muhammad, Sredojević Dusan, Budimir Milica, Stefanović Andjela, Bajuk-Bogdanović Danica, Jovanović Svetlana
Primary Institution: Vinča Institute of Nuclear Sciences-National Institute of the Republic of Serbia, University of Belgrade
Hypothesis
The study investigates the interactions between graphene oxide and silver nanowires and their effectiveness in blocking electromagnetic waves.
Conclusion
The study found that the interaction between graphene oxide and silver nanowires significantly enhances the ability of the composite to block electromagnetic waves.
Supporting Evidence
- The interaction energy between ideal graphene and silver nanowires was calculated to be −48.9 kcal/mol.
- The interaction energy for silver nanowires and graphene oxide was found to be −81.9 kcal/mol.
- Charge transfer between graphene oxide and silver nanowires was observed, enhancing electromagnetic shielding effectiveness.
- Composites with higher concentrations of silver nanowires showed improved shielding effectiveness.
Takeaway
This study shows that mixing two materials, graphene oxide and silver nanowires, can help block harmful electromagnetic waves better than using just one material.
Methodology
The study used UV-Vis, infrared, Raman spectroscopies, and thermogravimetric analysis to investigate the interactions between graphene oxide and silver nanowires.
Limitations
The materials' performance may be affected by their sensitivity to thermal stability, UV light exposure, and atmospheric conditions.
Digital Object Identifier (DOI)
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