Journal
NANOSCALE
Volume 9, Issue 21, Pages 6991-6997Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c7nr01054k
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Funding
- U. S. Department of Defense: Air Force Office of Scientific Research (AFOSR) for the Project MURI: Synthesis and Characterization of 3D Carbon Nanotube Solid Networks [FA9550-12-1-0035]
- The Air Force Office of Scientific Research (AFOSR) [BAA-AFOSR-2013-0001]
- NSF [OCI-0959097]
- Basic Science research Program through the National research Foundation of Korea (NRF) - Ministry of Education [2015R1A6A3A03018669]
- National Research Foundation of Korea [2015R1A6A3A03018669] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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One can utilize the folding of paper to build fascinating 3D origami architectures with extraordinary mechanical properties and surface area. Inspired by the same, the morphology of 2D graphene can be tuned by addition of magnetite (Fe3O4) nanoparticles in the presence of a magnetic field. The innovative 3D architecture with enhanced mechanical properties also shows a high surface area (similar to 2500 m(2) g(-1)) which is utilized for oil absorption. Detailed microscopy and spectroscopy reveal rolling of graphene oxide (GO) sheets due to the magnetic field driven action of magnetite particles, which is further supported by molecular dynamics (MD) simulations. The macroscopic and local deformation resulting from in situ mechanical loading inside a scanning electron microscope reveals a change in the mechanical response due to a change internal morphology, which is further supported by MD simulation.
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