Journal
POLYMERS FOR ADVANCED TECHNOLOGIES
Volume 22, Issue 1, Pages 133-138Publisher
WILEY
DOI: 10.1002/pat.1869
Keywords
self assembly; perylene diimides; supramolecular chemistry; polyacetylenes
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Two-dimensional porous networks self-assembled in solution are rare, while maintaining the solution-phase network structure upon casting on solid supports presents a major challenge. We report on oligoarylacetylene bearing amphiphilic perylene diimide moieties that self-assemble into a two-dimensional porous network in aqueous solution that can be cast on surfaces, while maintaining the porous structure. The networks were characterized by cryogenic electron microscopy (cryo-TEM and cryo-SEM), and by atomic force microscopy, revealing formation of thin porous films (4-nm thick). The network can be cast on various solid surfaces, preserving its solution-phase structure. The design motif utilizing an oligoarylacetylene backbone with interacting amphiphilic pendants appears to be of wide utility for formation of novel assembly patterns. Copyright (C) 2010 John Wiley & Sons, Ltd.
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