Anchorage of γ-Al2O3 nanoparticles on nitrogen-doped multiwalled carbon nanotubes
Journal Article
·
· Scripta Materialia
- Univ. Autonoma del Noreste, Coahuila (Mexico); Univ. Juarez del Estado de Durango, Durango (Mexico)
- CNMN, Instituto Politecnico Nacional, IPN, Unidad Zacatenco, D.F. (Mexico)
- Univ. Autonoma del Noreste, Coahuila (Mexico)
- Univ. Juarez del Estado de Durango, Durango (Mexico)
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
- Rennsselaer Polytechnic Institute, Troy, NY (United States)
- Arizona State Univ., Tempe, AZ (United States)
- The Pennsylvania State Univ., University Park, PA (United States)
Nitrogen-doped multiwalled carbon nanotubes (CNx-MWNTs) have been decorated with γ-Al2O3 nanoparticles by a novel method. This process involved a wet chemical approach in conjunction with thermal treatment. During the particle anchoring process, individual CNx-MWNT nanotubes agglomerated into bundles, resulting in arrays of aligned CNx-MWNT coated with γ-Al2O3. Extensive characterization of the resulting γ-Al2O3/CNx-MWNT bundles was performed using a range of electron microscopy imaging and microanalytical techniques. In conclusion, a possible mechanism explaining the nanobundle alignment is described, and possible applications of these materials for the fabrication of ceramic composites using CNx-MWNTs are briefly discussed.
- Research Organization:
- Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
- Sponsoring Organization:
- USDOE
- Grant/Contract Number:
- AC05-00OR22725
- OSTI ID:
- 1325491
- Alternate ID(s):
- OSTI ID: 22568661
- Journal Information:
- Scripta Materialia, Journal Name: Scripta Materialia Journal Issue: C Vol. 123; ISSN 1359-6462
- Publisher:
- ElsevierCopyright Statement
- Country of Publication:
- United States
- Language:
- English
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