Title: Controlled self-assemblies of polystyrene-block-polydimethylsiloxane micelles in cylindrical confinement through a micelle solution wetting method and Rayleigh-instability-driven transformation
Authors: Ko, Hao-Wen
Higuchi, Takeshi
Chang, Chun-Wei
Cheng, Ming-Hsiang
Isono, Komei
Chi, Mu-Huan
Jinnai, Hiroshi
Chen, Jiun-Tai
應用化學系
Department of Applied Chemistry
Issue Date: 28-Aug-2017
Abstract: Block copolymer micelles have been extensively discussed for many decades because of their applications, such as lithography and drug delivery. However, controlling the morphologies of nanostructure assembly using block copolymer micelles as building elements remains a great challenge. In this work, we developed a novel route to induce micelle assembly in confined geometries. Polystyrene-block-polydimethylsiloxane (PS-b-PDMS) micelle solutions were used to prepare micelle nanostructures, and the critical parameters affecting the morphologies were determined. Micelle nanorods, micelle nanospheres, and multi-component nanopeapods were prepared by wetting anodic aluminum oxide (AAO) templates with micelle solutions. Rayleigh-instability-driven transformation was discovered to play an important role in controlling the morphologies of the micelle nanostructures. This study not only proposes a versatile approach to preparing block copolymer micelle nanostructures, but it also provides deeper insight into the controlling factors of block copolymer micelle morphologies in cylindrical confinement.
URI: http://dx.doi.org/10.1039/c7sm01024a
http://hdl.handle.net/11536/145931
ISSN: 1744-683X
DOI: 10.1039/c7sm01024a
Journal: SOFT MATTER
Volume: 13
Begin Page: 5428
End Page: 5436
Appears in Collections:Articles