4.7 Article

Polymer surface patterning via Diels-Alder trapping of photo-generated thioaldehydes

Journal

CHEMICAL COMMUNICATIONS
Volume 49, Issue 6, Pages 633-635

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c2cc37651b

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Funding

  1. Karlsruhe Institute of Technology (KIT)
  2. German Research Council (DFG)
  3. Ministry of Science and Arts of the State of Baden-Wurttemberg
  4. Karlsruhe Nano Micro Facility (KNMF), a Helmholtz Research Infrastructure at the KIT

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An efficient method for polymer surface patterning via Diels-Alder trapping of photo-generated thioaldehydes is presented. It is demonstrated that thioaldehyde end-groups generated by photolysis of phenacyl sulfides can be quantitatively trapped with various dienes. Poly(ethylene glycol) is immobilized on a surface in a spatially controlled fashion via irradiation through a shadow mask.

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