Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/102722
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dc.contributor.authorSi, Rongmeien
dc.contributor.authorWei, Lien
dc.contributor.authorWang, Hongen
dc.contributor.authorSu, Dingdianen
dc.contributor.authorMushrif, Samir H.en
dc.contributor.authorChen, Yuanen
dc.date.accessioned2014-04-07T05:59:18Zen
dc.date.accessioned2019-12-06T20:59:35Z-
dc.date.available2014-04-07T05:59:18Zen
dc.date.available2019-12-06T20:59:35Z-
dc.date.copyright2014en
dc.date.issued2014en
dc.identifier.citationSi, R., Wei, L., Wang, H., Su, D., Mushrif, S. H., & Chen, Y. (2014). Extraction of (9,8) Single-Walled Carbon Nanotubes by Fluorene-Based Polymers. Chemistry - An Asian Journal, 9(3), 868-877.en
dc.identifier.issn1861-4728en
dc.identifier.urihttps://hdl.handle.net/10356/102722-
dc.description.abstractSelective polymer wrapping is a promising approach to obtain high-chiral-purity single-walled carbon nanotubes (SWCNTs) needed in technical applications and scientific studies. We showed that among three fluorene-based polymers with different side-chain lengths and backbones, poly[(9,9-dihexylfluorenyl-2,7-diyl)-co-(9,10-anthracene)] (PFH-A) can selectively extract SWCNTs synthesized from the CoSO4/SiO2 catalyst, which results in enrichment of 78.3 % (9,8) and 12.2 % (9,7) nanotubes among all semiconducting species. These high-chiral-purity SWCNTs may find potential applications in electronics, optoelectronics, and photovoltaics. Furthermore, molecular dynamics simulations suggest that the extraction selectivity of PFH-A relates to the bending and alignment of its alkyl chains and the twisting of its two aromatic backbone units (biphenyl and anthracene) relative to SWCNTs. The strong π–π interaction between polymers and SWCNTs would increase the extraction yield, but it is not beneficial for chiral selectivity. Our findings suggest that the matching between the curvature of SWCNTs and the flexibility of the polymer side chains and the aromatic backbone units is essential in designing novel polymers for selective extraction of (n,m) species.en
dc.language.isoenen
dc.relation.ispartofseriesChemistry - An Asian Journalen
dc.rights© 2014 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.en
dc.subjectDRNTU::Engineering::Nanotechnologyen
dc.titleExtraction of (9,8) single-walled carbon nanotubes by fluorene-based polymersen
dc.typeJournal Articleen
dc.contributor.schoolSchool of Chemical and Biomedical Engineeringen
dc.identifier.doi10.1002/asia.201301350en
dc.relation.isnodouble22399en
item.grantfulltextnone-
item.fulltextNo Fulltext-
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