Issue 15, 2013

Perpendicular orientation of sub-10 nm channels in polystyrene-b-poly(4-hydroxyl styrene)/PEG oligomer blend thin films

Abstract

Vertically oriented cylinders via the directional coalescence of the spheres embedded in the blend thin films from polystyrene-b-poly(4-hydroxyl styrene) (PS-b-PHS) and PEG induced by solvent annealing were achieved. Removal of PEG water led to the formation of nanochannels throughout the films. The diameter of these channels could be as small as 9 nm which might enhance the applicability of the nano-porous films as size-selective membranes and controllable drug delivery systems for the objects less than 10 nm.

Graphical abstract: Perpendicular orientation of sub-10 nm channels in polystyrene-b-poly(4-hydroxyl styrene)/PEG oligomer blend thin films

Supplementary files

Article information

Article type
Communication
Submitted
26 Mar 2013
Accepted
16 May 2013
First published
17 May 2013

Nanoscale, 2013,5, 6713-6719

Perpendicular orientation of sub-10 nm channels in polystyrene-b-poly(4-hydroxyl styrene)/PEG oligomer blend thin films

G. Cui, S. Ohya, T. Matsutani, S. Nagano, T. Dohi, S. Nakamura, S. Sakurai, T. Miyazaki and K. Yamamoto, Nanoscale, 2013, 5, 6713 DOI: 10.1039/C3NR01491F

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