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Alignment of Carbon Nanotubes under Low Magnetic Fields through Attachment of Magnetic Nanoparticles
Abstract
The alignment of multiwalled carbon nanotubes (MWNTs) has been accomplished through deposition of uniform layers of magnetite/maghemite nanoparticles (diameter = 6-10 nm) and use of an external magnetic field. The coating of CNTs with magnetic nanoparticles was performed by combining the polymer wrapping and layer-by-layer (LbL) assembly techniques. The particle-coated MWNTs are superparamagnetic and can be aligned at room temperature on any substrate by deposition from an aqueous solution in an external field B = 0.2 T. The volume magnetization of the particle coated MWNTs is found to be enhanced by 17% compared to the pure particles in a powder indicating that either the adsorption process onto the CNTs changes the particle magnetization, or the MWNTs carry an intrinsic magnetization due to remaining Ni used as a catalyst for the growth process.
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Citations
Cited by
Magnetically Separable Nanocatalysts: Bridges between Homogeneous and Heterogeneous Catalysis
Shylesh, S., Schünemann, V., & Thiel, W. R. (2010) · Angewandte Chemie International Edition · doi:10.1002/anie.200905684 · Cited by 1,428
Composites Reinforced in Three Dimensions by Using Low Magnetic Fields
Erb, R. M., Libanori, R., Rothfuchs, N., & Studart, A. R. (2012) · Science · doi:10.1126/science.1210822 · Cited by 675
Zhang, A., & Lieber, C. M. (2016) · Chemical Reviews · doi:10.1021/acs.chemrev.5b00608 · Cited by 621
Lin, Z., Liu, Y., Raghavan, S., Moon, K.-S., Sitaraman, S. K., & Wong, C.-P. (2013) · ACS Applied Materials & Interfaces · doi:10.1021/am401939z · Cited by 469
Magnetic Nanocomposites: A New Perspective in Catalysis
Zhu, Y., Stubbs, L. P., Ho, F., Liu, R., Ship, C. P., Maguire, J. A., & Hosmane, N. S. (2010) · ChemCatChem · doi:10.1002/cctc.200900314 · Cited by 417
Metadata
- Authors
- Correa-Duarte, M. A., Grzelczak, M., Salgueiriño-Maceira, V., Giersig, M., Liz-Marzán, L. M., Farle, M., Sierazdki, K., & Diaz, R.
- Venue
- The Journal of Physical Chemistry B
- Publisher
- American Chemical Society (ACS)
- Published
- 2005-09-24
- Volume
- 109
- Issue
- 41
- Pages
- 19060-19063
- ISSN
- 1520-5207 (ISSN-L)
- 1520-6106
- OpenAlex
- W2087231851
- Cited by
- 339
- References
- 0
- FWCI
- 9.88
- Type
- journal article
- Language
- en
- Open access
- closed
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- Correa-Duarte, M. A., Grzelczak, M., Salgueiriño-Maceira, V., Giersig, M., Liz-Marzán, L. M., Farle, M., Sierazdki, K., & Diaz, R. (2005). Alignment of Carbon Nanotubes under Low Magnetic Fields through Attachment of Magnetic Nanoparticles. The Journal of Physical Chemistry B. https://doi.org/10.1021/jp0544890
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Bibliographic data: Semantic Scholar, OpenAlex, Crossref.
Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
