Thermoelectric Properties of Thin Films from Sorted Single-Walled Carbon Nanotubes

Blazej Podlesny, Bogumila Kumanek, Angana Borah, Ryohei Yamaguchi, Tomohiro Shiraki, Tsuyohiko Fujigaya, Dawid Janas

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)

Abstract

Single-walled carbon nanotubes (SWCNTs) remain one of the most promising materials of our times. One of the goals is to implement semiconducting and metallic SWCNTs in photonics and microelectronics, respectively. In this work, we demonstrated how such materials could be obtained from the parent material by using the aqueous two-phase extraction method (ATPE) at a large scale. We also developed a dedicated process on how to harvest the SWCNTs from the polymer matrices used to form the biphasic system. The technique is beneficial as it isolates SWCNTs with high purity while simultaneously maintaining their surface intact. To validate the utility of the metallic and semiconducting SWCNTs obtained this way, we transformed them into thin free-standing films and characterized their thermoelectric properties.

Original languageEnglish
JournalMaterials
Volume13
Issue number17
DOIs
Publication statusPublished - Aug 28 2020

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