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Purity Evaluation of As-Prepared Single-Walled Carbon Nanotube Soot by Use of Solution-Phase Near-IR Spectroscopy

Itkis, M. E., Perea, D. E., Niyogi, S., Rickard, S. M., Hamon, M. A., Hu, H., Zhao, B., Haddon, R. C.·2003·Nano Letters

Abstract

We report a rapid, quantitative procedure for the evaluation of the carbonaceous purity of bulk quantities of as-prepared single-walled carbon nanotube (SWNT) soot by the utilization of solution-phase near-IR spectroscopy. The procedure starts with two steps of homogenization followed by solution/dispersion spectroscopy of a representative part of the bulk sample. The purity is evaluated against a reference sample by utilizing the region of the second interband transition (S 22 ) for semiconducting SWNTs. The procedure is found to be capable of reliably analyzing the carbonaceous purity of a 10-g batch of SWNTs produced by the electric arc discharge method to within 3%.

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Authors
Itkis, M. E., Perea, D. E., Niyogi, S., Rickard, S. M., Hamon, M. A., Hu, H., Zhao, B., & Haddon, R. C.
Venue
Nano Letters
Published
2003-01-22
Volume
3
Issue
3
Pages
309-314
ISSN
  • 1530-6984 (ISSN-L)
  • 1530-6992
OpenAlex
W2076342521
Cited by
339
References
0
FWCI
14.62
Type
journal article
Language
en
Open access
closed

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