Generating suspended single-walled carbon nanotubes across a large surface area via patterning self-assembled catalyst-containing block copolymer thin films

Article Abstract:

Catalyst-containing nanostructures are synthesized from self-assembled catalyst-containing block copolymers templates where an iron or cobalt species is incorporated onto one segment of a block copolymer. The facile method of creating highly ordered catalyst nanostructures on top of posts has enabled the rational synthesis of suspended carbon nanotubes, thus facilitating the study of carbon nanotubes (CNT) properties by optical methods and enabling the fabrication of devices based on suspended CNTs.

Nanotubes

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Solvent-induced novel morphologies in diblock copolymer blend thin films

Article Abstract:

The morphology and phase behaviors of blend thin films containing two polystyrene-b-poly(methyl methacrylate) (PS-b-PMMA) diblock copolymers with different blending compositions induced by a selective solvent for the PMMA block. The results suggests that diblock copolymer blend thin films treated with a selective solvent offer an alternative and attractive approach to control the self-organization of polymer.

Usage, Transmission electron microscopes

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Evaluation of enzymatic activity on nanoscale polystyrene-block-polymethylmethacrylate diblock copolymer domains

Article Abstract:

A new approach for measuring the enzymatic activity of nanoscale polystyrene-block-polymethylmethacrylate diblock copolymer domains is discussed. The analysis reveals that the enzyme assembly on diblock copolymer films is very useful for high-density protein array applications.

Analysis, Observations, Adsorption, Atomic force microscopy

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