Multilevel surface nano- And microstructuring via sequential photoswelling of dichromated gelatin

Maciej Paszewski, Stoyan K. Smoukov, Rafal Klajn, Bartosz A. Grzybowski

Research output: Contribution to journalArticle

4 Citations (Scopus)


Photoswelling of thin films of dichromated gelatin provides a basis for fabrication of multilevel surface reliefs via sequential UV illumination through different photomasks. The remarkable feature of this simple, benchtop technique is that by adjusting irradiation times, film thickness, or its hydration state the heights of the developed features can be varied from few nanometers to tens of microns. After UV exposure, the surface structures can be replicated faithfully into either soft or hard PDMS stamps.

Original languageEnglish
Pages (from-to)5419-5422
Number of pages4
Issue number10
Publication statusPublished - May 8 2007


ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Surfaces and Interfaces
  • Spectroscopy
  • Electrochemistry

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