Single-walled carbon nanotube charging during bundling process in the gas phase

David Gonzalez, Albert G. Nasibulin, Sergey D. Shandakov, Paula Queipo, Hua Jiang, Esko I. Kauppinen (Corresponding Author)

Research output: Contribution to journalArticleScientificpeer-review

8 Citations (Scopus)


Spontaneous gas‐phase charging phenomenon of single‐walled carbon nanotube (CNT) bundles synthesized with an aerosol (floating catalyst) method was discovered. The charging phenomenon was surprisingly correlated to the process of the CNT bundle formation in the gas phase, while individual tubes remained electrically neutral. On the basis of the observed self‐charging of the CNTs, a novel method for the separation of individual CNTs and bundles at ambient temperature using an electric field is presented.
Original languageEnglish
Pages (from-to)3234-3237
JournalPhysica Status Solidi B: Basic Research
Issue number13
Publication statusPublished - 2006
MoE publication typeA1 Journal article-refereed


  • 81.07.De
  • 81.10.Bk
  • 81.40.Rs
  • single-walled carbon nanotubes
  • CNT


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