Single-Walled Carbon Nanotube-Induced Orthogonal Growth
of Polyethylene Single Crystals at a Curved Liquid/Liquid Interface
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Abstract
We
report herein single-walled carbon nanotube-induced polyethylene crystallization
at the curved liquid/liquid interface. A Pickering emulsion system
comprised of polyethylene (PE)/single-walled carbon nanotubes (SWCNTs)/1,2-dichlorobenzene
(DCB)/water is formed using probe sonication at an elevated temperature.
SWCNTs are used as the Pickering agents, and they are bent into nanosized
rings by the curved DCB/water interface. Upon cooling, PE crystallizes
onto SWCNTs, forming kebab single crystals, and the PE lamellae are
orthogonal to the DCB/water interface. The unique structure resembles
nanohybrid shish kebab (NHSK) rings