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Selective Interbundle Cross-Linking for Lightweight and Superstrong Carbon Nanotube Yarns.
- Source :
-
Nano letters [Nano Lett] 2023 Apr 26; Vol. 23 (8), pp. 3128-3136. Date of Electronic Publication: 2023 Mar 23. - Publication Year :
- 2023
-
Abstract
- In this study, a range of carbon nanotube yarn (CNTY) architectures was examined and controlled by chemical modification to gain a deeper understanding of CNTY load-bearing systems and produce lightweight and superstrong CNTYs. The architecture of CNTY, which has polymer layers surrounding a compact bundle without hampering the original state of the CNTs in the bundle, is a favorable design for further chemical cross-linking and for enhancing the load-transfer efficiency, as confirmed by in situ Raman spectroscopy under a stress load. The resulting CNTY exhibited excellent mechanical performance that exceeded the specific strength of the benchmark, high-performance fibers. This exceptional strength of the CNTY makes it a promising candidate for the cable of a space elevator traveling from the Earth to the International Space Station given its strength of 4.35 GPa/(g cm <superscript>-3</superscript> ), which can withstand the self-weight of a 440 km cable.
Details
- Language :
- English
- ISSN :
- 1530-6992
- Volume :
- 23
- Issue :
- 8
- Database :
- MEDLINE
- Journal :
- Nano letters
- Publication Type :
- Academic Journal
- Accession number :
- 36951295
- Full Text :
- https://doi.org/10.1021/acs.nanolett.2c04068