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Molecular Transport Directed via Patterned Functionalized Surfaces
Author(s) -
YonetTanyeri Nihan,
Evans Rachel C.,
Tu Huilin,
Braun Paul V.
Publication year - 2011
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.201003705
Subject(s) - materials science , siloxane , polymer , substrate (aquarium) , solid state , diffusion , brush , nanotechnology , molecule , fluidics , polymer brush , engineering physics , organic chemistry , polymerization , composite material , chemistry , electrical engineering , oceanography , physics , engineering , thermodynamics , geology
Patterned polymer brushes are shown to direct the solid‐state diffusion of dye molecules on solid surfaces. The dye molecules diffuse rapidly across the patterned regions, but not on the bare substrate. A poly(dimethyl siloxane) device containing a singular fluidic channel covers the patterns and bare regions and serves to introduce the diffusive species into the polymer brush. Transportation of dye to desired locations on the substrate is demonstrated.