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Internal morphologies of diblock copolymer nanorods fabricated from regular and irregular pores of anodized aluminum oxide templates

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Authors
Jeon, Seung-Min; Lee, Yuwon; Kim, Jin-Hyung; Lee, Jin-Kyu; Char, Kookheon; Sohn, Byeong-Hyeok
Issue Date
2009-01-20
Publisher
Elsevier
Citation
Reactive & Functional Polymers 69 (2009) 558
Keywords
NanostructureNanorodDiblock copolymerAnodized aluminum oxideNanopore
Abstract
Internal nanostructures in nanorods of polystyrene-poly(4-vinyl pyridine) (PS-PVP) diblock copolymers fabricated from pores having regular or irregular contours in AAO templates were investigated by cross-sectional transmission electron microscopy. When nanorods of PS-PVP copolymers were produced from pores with regular contours, a typical morphology of concentric cylinders was observed due to the strong affinity of the PVP block to the surface of the AAO pores. In the case of PS-PVP nanorods obtained from pores with irregular contours, a concentric cylindrical morphology was not induced. Instead, a nanostructure of lamellae mostly parallel to the axis of the nanorods was observed with a similar period of lamellae to the bulk lamellar period. In addition, nanorods having a functional coaxial nanostructure were fabricated by synthesizing Au nanoparticles in concentric cylinders of the nanorods to demonstrate the utilization of self-assembled internal nanostructures in nanorods.
ISSN
1381-5148
Language
English
URI
http://hdl.handle.net/10371/5652
DOI
https://doi.org/10.1016/j.reactfunctpolym.2009.01.007

https://doi.org/10.1016/j.reactfunctpolym.2009.01.007
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College of Engineering/Engineering Practice School (공과대학/대학원)Dept. of Chemical and Biological Engineering (화학생물공학부)Journal Papers (저널논문_화학생물공학부)
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