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Faculty for Biology, Chemistry, and Earth Sciences

Macromolecular Chemistry I:

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Scheler, E.; Strohriegl, P.: Tailoring fluorene-based oligomers for fast photopatterning, Journal of Materials Chemistry, 19, 3207 - 3212 (2009) -- DOI: 10.1039/b822894a
Key words: A6
We present a simple and efficient strategy for the synthesis of acrylate-functionalized oligofluorenes. Within one single synthetic step photopatternable oligofluorenes with variable acrylate contents and molecular weights are formed. The Yamamoto condensation yields well defined oligomers by the direct polymerization of fluorene acrylates. The acrylate contents of the oligomers was varied from 10% to 100% by a statistical co-oligomerization. Photolithography experiments showed that for the species with highest acrylate content a crosslinking time of only 30 seconds leads to well resolved polyfluorene patterns. A minimum lateral resolution of 1 µm was achieved
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