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ACS Appl Mater Interfaces. 2016 Oct 05;8(39):26392-26399. doi: 10.1021/acsami.6b08636. Epub 2016 Sep 26.

Bottom-Up Fabrication of Hybrid Plasmonic Sensors: Gold-Capped Hydrogel Microspheres Embedded in Periodic Metal Hole Arrays.

ACS applied materials & interfaces

Markus Weiler, Christoph Menzel, Thomas Pertsch, Rasoul Alaee, Carsten Rockstuhl, Claudia Pacholski

Affiliations

  1. Department of New Materials and Biosystems, Max Planck Institute for Intelligent Systems , Heisenbergstr. 3, 70569 Stuttgart, Germany.
  2. Institute of Applied Physics, Abbe Center of Photonics, Friedrich Schiller Universität Jena , Albert Einstein Straße 15, 07745 Jena, Germany.
  3. Institute of Theoretical Solid State Physics, Karlsruhe Institute of Technology , Wolfgang- Gaede-Str. 1, 76131 Karlsruhe, Germany.
  4. Institute of Nanotechnology, Karlsruhe Institute of Technology , P.O. Box 3640, 76021 Karlsruhe, Germany.
  5. Institute of Chemistry, University of Potsdam , Am Mühlenberg 3, 14476 Potsdam OT Golm, Germany.

PMID: 27668665 DOI: 10.1021/acsami.6b08636

Abstract

The high potential of bottom-up fabrication strategies for realizing sophisticated optical sensors combining the high sensitivity of a surface plasmon resonance with the exceptional properties of stimuli-responsive hydrogel is demonstrated. The sensor is composed of a periodic hole array in a gold film whose holes are filled with gold-capped poly(N-isoproyl-acrylamide) (polyNIPAM) microspheres. The production of this sensor relies on a pure chemical approach enabling simple, time-efficient, and cost-efficient preparation of sensor platforms covering areas of cm

Keywords: bottom-up; hole array; hydrogel; sensor; surface plasmon resonance

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