Highly selective dispersion of single-walled carbon nanotubes via polymer wrapping: A combinatorial study via modular conjugation

Gerstel, P., Klumpp, S., Hennrich, F., Poschlad, A., Meded, V., Blasco, E., Wenzel, W., Kappes, M. M., & Barner-Kowollik, C. (2014) Highly selective dispersion of single-walled carbon nanotubes via polymer wrapping: A combinatorial study via modular conjugation. ACS Macro Letters, 3(1).

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Fourteen different "hairy-rod" conjugated polymers, 9,9-dioctylfluorene derivatives entailing 1,2,3-triazole, azomethine, ethynyle, biphenyle, stilbene, and azobenzene lateral units, are synthesized via modular conjugation and are systematically investigated with respect to their ability to selectively disperse SWCNTs. Four polymers of the azomethine type, with unprecedented selectivity toward dispersing (8,7), (7,6), and (9,5) SWCNT species, have been identified. In particular, azomethine polymers, herein applied for the first time for SWCNT dispersion, have been evidenced to be very effective in the highly selective solubilization of SWCNTs. The experimentally observed selectivity results are unambiguously supported by molecular dynamics simulations that account for the geometrical properties and deformation energy landscape of the polymer. Specifically, the calculations accurately and with high precision predict the experimentally observed selectivity for the (7,6) and (9,5) conformations. © 2013 American Chemical Society.

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ID Code: 99382
Item Type: Journal Article
Refereed: Yes
Additional Information: Cited By :15 Export Date: 5 September 2016 Correspondence Address: Wenzel, W.; Institut für Nanotechnologie (INT), Karlsruhe Institute of Technology (KIT), Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen, Germany; email: wolfgang.wenzel@kit.edu References: Reich, S., Thomsen, C., Maultzsch, J., (2004) Carbon Nanotubes: Basic Concepts and Physical Properties, , Wiley-VCH: Weinheim; O'Connell, M.J., (2006) Carbon Nanotubes: Properties and Applications, , CRC Press Taylor & Francis Group: Boca Raton, FL; Jorio, A., Dresselhaus, G., Dresselhaus, M.S., (2008) Carbon Nanotubes: Advanced Topics in the Synthesis, Structure, Properties and Applications (Topics in Applied Physics), , Springer: New York; Wang, H., Goh, K., Xue, R., Yu, D., Jiang, W., Lau, R., Chen, Y., (2013) Chem. Commun., 49, pp. 2031-2033; Zhu, Z., Jiang, H., Susi, T., Nasibulin, A.G., Kauppinen, E.I., (2011) J. Am. Chem. Soc., 133, pp. 1224-1227; Hersam, M.C., (2008) Nat. 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DOI: 10.1021/mz400472q
ISSN: 21611653
Divisions: Current > Schools > School of Chemistry, Physics & Mechanical Engineering
Current > Institutes > Institute for Future Environments
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Deposited On: 22 Sep 2016 04:50
Last Modified: 27 Sep 2016 02:51

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