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Internal morphologies of diblock copolymer nanorods fabricated from regular and irregular pores of anodized aluminum oxide templates
Cited 8 time in
Web of Science
Cited 9 time in Scopus
- Authors
- Issue Date
- 2009-01-20
- Publisher
- Elsevier
- Citation
- Reactive & Functional Polymers 69 (2009) 558
- Keywords
- Nanostructure ; Nanorod ; Diblock copolymer ; Anodized aluminum oxide ; Nanopore
- 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
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