Reinforcing randomly oriented transparent freestanding single-walled carbon nanotube films

Kimmo Mustonen, Albert G. Nasibulin, Marko Pudas, Marko Kauppinen, Hua Jiang, Kestutis Grigoras, Janne Raula, Esko I. Kauppinen

Research output: Contribution to journalLetterpeer-review

3 Citations (Scopus)

Abstract

We report an improvement of the mechanical properties of transparent randomly oriented freestanding single-walled carbon nanotube (SWCNT) films by deposition of polymers using a drop casting method and aluminum oxide utilizing an atomic layer deposition (ALD) technique. Due to the thickness increase, the polymer coating resulted in an increase in toughness, however, simultaneously decreasing the ultimate tensile strength. The 100 nm thick SWCNT films ALD-coated with Al2O3 layer revealed significant increase in the ultimate tensile strength from 46 ± 5 to 213 ± 17 and 80 ± 4 to 318 ± 16 MPa depending on the network density, preserving the high level of porosity of the structure.

Original languageEnglish
Pages (from-to)513-516
Number of pages4
JournalCarbon
Volume62
DOIs
Publication statusPublished - Oct 2013
Externally publishedYes

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