Biomimetic triblock copolymer membranes: from aqueous solutions to solid supports
González-Pérez, A., Castelletto, V., Hamley, I. and Taboada, P. (2011) Biomimetic triblock copolymer membranes: from aqueous solutions to solid supports. Soft Matter, 7 (3). pp. 1129-1138. ISSN 1744-683X
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To link to this article DOI: 10.1039/c0sm00711k
In the present paper, we studied the preparation of biomimetic triblock copolymer (ABA) membranes in aqueous solution and their deposition into solid supports. The self-assembly structures of the ABA in aqueous solution was investigated by using optical microscopy, dynamic light scattering, electron microscopy (EM) and SAXS. Spherical and tubular polymersomes were found at the highest concentrations investigated. The mechanism of deposition on solid supports (mica and glass) was elucidated by using atomic force microscopy (AFM). The deposition results in the formation of a uniform defect-free membrane at suitable polymer concentrations.