Doping of carbon nanotubes by halogenated solvents

Patrycja Taborowska, Grzegorz Stando, Mika Sahlman, Maciej Krzywiecki, Mari Lundström, Dawid Janas*

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

10 Citations (Scopus)
48 Downloads (Pure)


Carbon nanotubes (CNTs) play a unique role in the area of flexible conductors as they have remarkably high electrical conductivity and bend easily without deformation. Consequently, CNTs are commonly deposited on substrates as conductive tracks/coatings. Halogenated solvents are often employed to facilitate the deposition process because they dry rapidly due to their high volatility. In this work, we report that halogenated solvents can dope CNTs considerably. The study showed that the use of dichloromethane, chloroform, or bromoform for the CNT deposition significantly impacts the chemical potential of the material, thereby modifying its charge transport characteristics. As a consequence, up to four-fold improvement in electrical conductivity is noted due to doping.

Original languageEnglish
Article number7004
Number of pages10
JournalScientific Reports
Issue number1
Publication statusPublished - 29 Apr 2022
MoE publication typeA1 Journal article-refereed


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