Seeing molecules by eye: Surface plasmon resonance imaging at visible wavelengths with high spatial resolution and submonolayer sensitivity

Jimin Yao*, Matthew E. Stewart, Joana Maria, Tae Woo Lee, Stephen K. Gray, John A. Rogers, Ralph G. Nuzzo

*Corresponding author for this work

Research output: Contribution to journalArticle

60 Scopus citations

Abstract

Plasmonic crystal optics: Highly uniform, fully 3D plasmonic crystals exhibiting exceptional analytical sensitivity at visible wavelengths can image surface binding events with high spatial resolution and can distinguish adsorbates with masses that differ by only 25 amu. The picture shows a transmitted white-light plasmonic image of microcontact-printed lines (ca. 8 μm wide) of 1-octadecanethiol on the Au surface of a 3D plasmonic crystal. (Figure Presented).

Original languageEnglish (US)
Pages (from-to)5013-5017
Number of pages5
JournalAngewandte Chemie - International Edition
Volume47
Issue number27
DOIs
StatePublished - Jun 23 2008

Keywords

  • Analytical methods
  • Optical imaging
  • Sensors
  • Surface plasmon resonance

ASJC Scopus subject areas

  • Catalysis
  • Chemistry(all)

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