Preparation of mechanically enhanced supramolecular carbon nanotube (CNT) film using a water-soluble π–π bonding linker

Lee JunWoo (이준우); Yoo Moonseong (유문성); KimKunWon (김건원); Jeong Hyein (정혜인); Chung Jae Woo (정재우)

doi:10.1007/s42823-019-00048-6

Preparation of mechanically enhanced supramolecular carbon nanotube (CNT) film using a water-soluble π–π bonding linker

Carbon Letters
Abbr : Carbon Lett.
2019, 29(5), pp.461-469
DOI : 10.1007/s42823-019-00048-6
Publisher : Korean Carbon Society
Research Area : Natural Science > Natural Science General > Other Natural Sciences General
Received : November 27, 2018
Accepted : May 22, 2019
Published : October 1, 2019

Lee JunWoo ¹, Yoo Moonseong ¹, KimKunWon ¹, Jeong Hyein ¹, Chung Jae Woo ¹

¹숭실대학교

Accredited

ABSTRACT

Mechanically enhanced supramolecular carbon nanotube (CNT) films were prepared in water by employing the π-electron-rich phenyl, naphthalenyl, and pyrenyl end-functionalized polyethylene oxides (PEOs) as supramolecular linkers, followed by vacuum filtration. Among them, the supramolecular CNT film produced by the pyrenyl end-functionalized PEO (PEO-Py) exhibited the highest mechanical strength, which was ~ 1.5–2 times higher than that of the CNT films produced using the typical dispersant, Triton X-100, although the functionality of PEO-Py was lower than that prepared using other linkers, and the content of PEO-Py in the CNT films was lower than that obtained using Triton X-100. Fluorescence and UV–Vis spectroscopy demonstrated that the improved mechanical properties of the supramolecular CNT film result from the formation of π–π interactions between the CNT and the pyrene moieties of the PEO-Py linker. Finally, the supramolecular CNT film exhibited a 40–50 dB electromagnetic shielding efficiency through hybridization with silver nanowires.

KEYWORDS

Aromatic Bonding Carbon composites Carbon nanotubes (CNT) Mechanical properties

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Carbon Letters 2023 KCI Impact Factor : 1.35 KCI-WoS Impact Factor : 4.82

Preparation of mechanically enhanced supramolecular carbon nanotube (CNT) film using a water-soluble π–π bonding linker

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Scopus Citation Counts (2) This is the result of checking the information with the same ISSN, publication year, volume, and start page between articles in KCI and the SCOPUS journals. (as of 2024-07-01)

* References for papers published after 2023 are currently being built.

Carbon Letters 2023 KCI Impact Factor : 1.35 KCI-WoS Impact Factor : 4.82

Preparation of mechanically enhanced supramolecular carbon nanotube (CNT) film using a water-soluble π–π bonding linker

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Scopus Citation Counts (2) This is the result of checking the information with the same ISSN, publication year, volume, and start page between articles in KCI and the SCOPUS journals. (as of 2024-07-01)

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