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Faculty for Biology, Chemistry, and Earth Sciences

Macromolecular Chemistry I:

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Claußen, K.U.; Tebbe, M.; Giesa, R.; Schweikart, A.; Fery, A.; Schmidt, H.-W.: Towards tailored topography: facile preparation of surface-wrinkled gradient poly(dimethyl siloxane) with continuously changing wavelength, RSC Advances, 2, 10185-10188 (2012) -- DOI: 10.1039/C2RA21859C
Poly(dimethyl siloxane) with a compositional gradient was fabricated via a precision syringe pump setup. Stretching of the substrate and subsequent oxygen plasma oxidation resulted in a continuously changing wrinkle wavelength on the surface upon relaxation. This approch is a powerful tool for designing gradient surfaces with tailored topography.
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