Janus Micelles as Effective Supracolloidal Dispersants for Carbon Nanotubes

Janus Micelles as Effective Supracolloidal Dispersants for Carbon Nanotubes

Supracolloidal hybrids: Soft polymer‐based Janus micelles provide excellent stabilization for multi‐walled carbon nanotubes (see scheme) in a variety of solvents, including water. The size ratio of the micelle′s stabilizing corona to adsorbing corona (Janus balance) is decisive for good physisorptio...

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Veröffentlicht in:Angewandte Chemie International Edition 2013-03, Vol.52 (13), p.3602-3606
Hauptverfasser: Gröschel, André H., Löbling, Tina I., Petrov, Petar D., Müllner, Markus, Kuttner, Christian, Wieberger, Florian, Müller, Axel H. E.
Format: Artikel
Sprache:eng
Schlagworte:
Balancing
carbon nanotubes
colloids
Coronas
dispersants
Janus
Janus particles
Micelles
Multi wall carbon nanotubes
Preserves
self-assembly
Solvents
Stabilization
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Zusammenfassung:Supracolloidal hybrids: Soft polymer‐based Janus micelles provide excellent stabilization for multi‐walled carbon nanotubes (see scheme) in a variety of solvents, including water. The size ratio of the micelle′s stabilizing corona to adsorbing corona (Janus balance) is decisive for good physisorption and stabilization. The supracolloidal interaction preserves the structural integrity of the nanotubes, which is essential for maintaining their useful properties.
ISSN:1433-7851
1521-3773
DOI:10.1002/anie.201208293