Imaging of block copolymer vesicles in solvated state by wet scanning transmission electron microscopy |
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| Authors: | Miroslav &Scaron louf,Monika Lap?í ková ,Miroslav &Scaron těpá nek |
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| Affiliation: | aInstitute of Macromolecular Chemistry, Academy of Sciences of the Czech Republic, Heyrovský Sq. 2, 16206 Prague 6, Czech Republic;bDepartment of Physical and Macromolecular Chemistry, Faculty of Science, Charles University in Prague, Hlavova 2030, 12840 Prague 2, Czech Republic |
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| Abstract: | Morphology of polystyrene-block-poly(acrylic acid) vesicles was imaged by various modes of scanning electron microscopy (SEM), including recently developed wet scanning transmission electron microscopy (wet-STEM) by means of which we were able to follow the decrease in the thickness of a liquid solvent layer around the vesicles during controlled evaporation of water from the sample. Results show that wet-STEM allows for imaging of nanosized polymeric particles in the presence of the solvent. |
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| Keywords: | Environmental scanning electron microscopy Self-assembly Amphiphilic block copolymers Polymersomes |
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