Self-assembly of poly(9,9 '-dihexylfluorene) to form highly ordered isoporous films via blending

Vamvounis, George, Nyström, Daniel, Antoni, Per, Lindgren, Mikael, Holdcroft, Steven, and Hult, Anders (2006) Self-assembly of poly(9,9 '-dihexylfluorene) to form highly ordered isoporous films via blending. Langmuir, 22 (9). pp. 3959-3961.

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Highly ordered hexagonal arrays of isoporous films prepared from poly(9,9'-dihexylfluorene) and polystyrene-grafted silica nanoparticles (Si-graft-PS) are presented. These close-packed arrays were formed in areas of many square millimeters. The pore size varied from 3.6 to 8.5 mu m, depending on the concentration of Si-graft-PS and the processing conditions. Solid-state photoluminescence resulted in a significant red shift of up to 30 nm in these films compared to that in conventional processing techniques. These differences are attributed to enhanced aggregation of the polymers caused by polymer-solvent interactions. These highly ordered polymer films may find use in microelectronic and biological and/or chemical sensor applications.

Item ID: 32734
Item Type: Article (Research - C1)
ISSN: 1520-5827
Funders: Research Council of Norway (RCN)
Projects and Grants: RCN grant no. 163529/S10
Date Deposited: 14 Oct 2015 02:28
FoR Codes: 03 CHEMICAL SCIENCES > 0305 Organic Chemistry > 030505 Physical Organic Chemistry @ 100%
SEO Codes: 85 ENERGY > 8505 Renewable Energy > 850504 Solar-Photovoltaic Energy @ 100%
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