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Issue 53, 2017, Issue in Progress
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Formation of unusual microphase-separated ultrathin films of poly(vinyl catechol-block-styrene) (PVCa-b-PSt) at the air–water interface by solution casting onto water

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Abstract

This report describes the preparation of ultrathin films possessing unusual fingerprint-like morphologies for poly(vinyl catechol-block-styrene) (PVCa-b-PSt) at the air–water interface by simply mixing a solution into water followed by solvent evaporation. Structural analysis and comparison with typical surface micelles of amphiphilic diblock copolymers indicated that precipitation and micelle aggregation played a significant role in the formation and unusual microphase separation of PVCa-b-PSt ultrathin films. In addition, the interior structures of the ultrathin films could be adjusted by adding homo-polystyrene (hPSt). Silver nanoparticle arrays were formed by immersing ultrathin films in aqueous AgNO3 and a microphase-separated structure in the ultrathin films could act as a template for the arrays.

Graphical abstract: Formation of unusual microphase-separated ultrathin films of poly(vinyl catechol-block-styrene) (PVCa-b-PSt) at the air–water interface by solution casting onto water

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Supplementary files

Article information


Submitted
12 Jun 2017
Accepted
26 Jun 2017
First published
29 Jun 2017

This article is Open Access

RSC Adv., 2017,7, 33086-33090
Article type
Paper

Formation of unusual microphase-separated ultrathin films of poly(vinyl catechol-block-styrene) (PVCa-b-PSt) at the air–water interface by solution casting onto water

H. Yabu and S. Nagano, RSC Adv., 2017, 7, 33086
DOI: 10.1039/C7RA06574D

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