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Purification of Single-Wall Carbon Nanotubes by Microfiltration
Abstract
A purification procedure for single-wall carbon nanotubes (SWNTs) prepared by pulsed laser ablation is discussed, which separates coexisting carbon nanospheres (CNS), metal nanoparticles, polyaromatic carbons, and fullerenes from the SWNT fraction. The process involves the suspension of CNS, metal nanoparticles, and SWNTs in an aqueous solution using a cationic surfactant and the subsequent trapping of SWNTs on a membrane filter. No oxidative treatment is required. Scanning/transmission electron microscopy and Raman scattering were used to evaluate the purification process and the vibrational features of SWNTs. Purity of SWNTs at the final stage sample is in excess of 90% by weight, and no evidence of impurity carbon phases was revealed in the Raman spectrum of the SWNT fraction.
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Citations
Cited by
Ajayan, P. M. (1999) · Chemical Reviews · doi:10.1021/cr970102g · Cited by 3,151
Thermal conductivity of carbon nanotubes and their polymer nanocomposites: A review
Han, Z., & Fina, A. (2011) · Progress in Polymer Science · doi:10.1016/j.progpolymsci.2010.11.004 · Cited by 2,603
Zhang, Q., Huang, J., Qian, W., Zhang, Y., & Wei, F. (2013) · Small · doi:10.1002/smll.201203252 · Cited by 759
Carbon nanotubes, science and technology part (I) structure, synthesis and characterisation
Aqel, A., El-Nour, K. M. M. A., Ammar, R. A. A., & Al-Warthan, A. (2012) · Arabian Journal of Chemistry · doi:10.1016/j.arabjc.2010.08.022 · Cited by 615
Rao, C. N. R., Satishkumar, B. C., Govindaraj, A., & Nath, M. (2001) · ChemPhysChem · doi:10.1002/1439-7641(20010216)2:2<78::aid-cphc78>3.0.co;2-7 · Cited by 586
Metadata
- Authors
- Bandow, S., Rao, A. M., Williams, K. A., Thess, A., Smalley, R. E., & Eklund, P. C.
- Venue
- The Journal of Physical Chemistry B
- Publisher
- American Chemical Society (ACS)
- Published
- 1997-10-01
- Volume
- 101
- Issue
- 44
- Pages
- 8839-8842
- ISSN
- 1520-5207 (ISSN-L)
- 1520-6106
- OpenAlex
- W2013508835
- Cited by
- 359
- References
- 0
- FWCI
- 8.50
- Type
- journal article
- Language
- en
- Open access
- closed
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- Bandow, S., Rao, A. M., Williams, K. A., Thess, A., Smalley, R. E., & Eklund, P. C. (1997). Purification of Single-Wall Carbon Nanotubes by Microfiltration. The Journal of Physical Chemistry B. https://doi.org/10.1021/jp972026r
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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