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Site-Specific Recognition of Nanophase-Separated Surfaces of Amphiphilic Block Copolymers by Hydrophilic and Hydrophobic Gold Nanoparticles

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  • This work is supported by Core Research for Evolutional Science and Technology (CREST) of Japan Science and Technology Corporation (JST) and by a Special Research Grant for Green Science from Kochi University.

Abstract

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Likes attract: Site-specific recognition of the nanophase-separated surface of a PEOm-b-PMA(Az)n film (PEO=polyethylene oxide, PMA(Az)=polymethacrylate with azobenzene-based liquid-crystalline side-chain) by hydrophilic and hydrophobic gold nanoparticles (Au NPs) was studied. The hydrophilic and hydrophobic Au NPs were found to selectively assemble on the hydrophilic PEO and hydrophobic PMA(Az) domains, respectively.

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