4.7 Article

One-step synthesis of patterned polymer brushes by photocatalytic microcontact printing

Journal

CHEMICAL COMMUNICATIONS
Volume 51, Issue 6, Pages 1027-1030

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c4cc08646e

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Funding

  1. DFG [IRTG 1143]
  2. European Regional Development Fund (ERDF)
  3. state of North Rhine-Westphalia, Germany, under the Operational Programme Regional Competitiveness and Employment''

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A novel method to prepare microstructured polymer brushes using TiO2 nanoparticles and photocatalytic microcontact printing is described. It is shown that ethanol amine can be polymerized to linear polyethyleneimine (PEI) driven by the photocatalytic action of TiO2. Upon UV irradiation during microcontact printing of ethanol amine with a stamp coated with TiO2 nanoparticles, patterned polymer brushes with a length of around 50 nm are obtained.

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