High-Throughput Fabrication of Nanocone Substrates through Polymer Injection Moulding For SERS Analysis in Microfluidic Systems

Marlitt Viehrig, Marco Matteucci, Anil H. Thilsted, Michael Stenbæk Schmidt, Anja Boisen

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Abstract

Metal-coated nanostructured surfaces have shown promise as substrates for surface-enhanced Raman spectroscopy (SERS) as they allow chemical trace detection with high sensitivity and rapid response. This sensitivity and specificity makes SERS especially interesting for environmental and biological analysis. Metal-capped silicon nanopillars, fabricated through a maskless ion etch, are state-of-the-art for on-chip SERS substrates. A dense cluster of high aspect ratio polymer nanocones was achieved by using high-throughput polymer injection moulding over a large area replicating a silicon nanopillar structure. Gold-capped polymer nanocones display similar SERS sensitivity as silicon nanopillars, while being easily integrable into a microfluidic chips.
Original languageEnglish
Publication date2017
Number of pages2
Publication statusPublished - 2017
Event21st International Conference on Miniaturized Systems for Chemistry and Life Sciences - Savannah, United States
Duration: 22 Oct 201726 Oct 2017
Conference number: 21

Conference

Conference21st International Conference on Miniaturized Systems for Chemistry and Life Sciences
Number21
CountryUnited States
CitySavannah
Period22/10/201726/10/2017

Bibliographical note

For poster presentation

Keywords

  • Lithography-free
  • Reactive Ion Etching
  • Polymer Injection
  • Nanopillars
  • SERS
  • Sensors

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