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Concomitant Length and Diameter Separation of Single-Walled Carbon Nanotubes
Abstract
Gel electrophoresis and column chromatography conducted on individually dispersed, ultrasonicated single-walled carbon nanotubes yield simultaneous separation by tube length and diameter. Electroelution after electrophoresis is shown to produce highly resolved fractions of nanotubes with average lengths between 92 and 435 nm. Separation by diameter is concomitant with length fractionation, and nanotubes that have been cut shortest also possess the greatest relative enrichments of large-diameter species. Longer sonication time causes increased electrophoretic mobility in the gels; thus, ultrasonic processing determines the degree of both length and diameter separation of the nanotubes. The relative quantum yield decreases nonlinearly as the nanotube length becomes shorter. These techniques constitute a preparative, scalable method for separating nanotubes by two important attributes required for electronic and sensor applications.
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Cited by
A route to brightly fluorescent carbon nanotubes for near-infrared imaging in mice
Welsher, K., Liu, Z., Sherlock, S. P., Robinson, J. T., Chen, Z., Daranciang, D., & Dai, H. (2009) · Nature Nanotechnology · doi:10.1038/nnano.2009.294 · Cited by 1,287
Stepwise Quenching of Exciton Fluorescence in Carbon Nanotubes by Single-Molecule Reactions
Cognet, L., Tsyboulski, D. A., Rocha, J.-D. R., Doyle, C. D., Tour, J. M., & Weisman, R. B. (2007) · Science · doi:10.1126/science.1141316 · Cited by 506
Metadata
- Authors
- Heller, D. A., Mayrhofer, R. M., Baik, S., Grinkova, Y. V., Usrey, M. L., & Strano, M. S.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2004-11-01
- Volume
- 126
- Issue
- 44
- Pages
- 14567-14573
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W1999679934
- Cited by
- 244
- References
- 0
- FWCI
- 10.00
- Type
- journal article
- Language
- en
- Open access
- closed
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- Heller, D. A., Mayrhofer, R. M., Baik, S., Grinkova, Y. V., Usrey, M. L., & Strano, M. S. (2004). Concomitant Length and Diameter Separation of Single-Walled Carbon Nanotubes. Journal of the American Chemical Society. https://doi.org/10.1021/ja046450z
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