Electrohydrodynamic Instability at Surface of Block Copolymer/Titania Nanorods Thin Film | Zendy

Joonwon Bae | Zendy

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Electrohydrodynamic Instability at Surface of Block Copolymer/Titania Nanorods Thin Film

Author(s) -

Joonwon Bae

Publication year - 2016

Publication title -

applied chemistry for engineering

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.144

H-Index - 11

eISSN - 2288-4505

pISSN - 1225-0112

DOI - 10.14478/ace.2016.1017

Subject(s) - nanorod , electrohydrodynamics , chemistry , copolymer , instability , chemical engineering , nanotechnology , thin film , materials science , organic chemistry , mechanics , electrode , physics , polymer , engineering

The influence of titania nanorods with an average diameter of 10 nm and an average length of 30 nm on the electrohydrodynamic instability of block copolymer (polystyrene-b-poly(2-vinylpyridine)) thin film was investigated in this article. The presence of titania nanorods increased the dielectric constant of the film, which resulted in a systematic reduction in the wavelength of the surface instability. Cross-sectional transmission electron microscopy analysis indicated that the migration/aggregation of titania nanorods did not occur as a result of the applied electric field. This work can provide a simple route to the pattern formation using electrohydrodynamic instability with an aid of nanoparticles.

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