Highly stable silver nanoplates for surface plasmon resonance biosensing

Chuanbo Gao, Zhenda Lu, Ying Liu, Qiao Zhang, Miaofang Chi, Quan Cheng, Yadong Yin

Research output: Contribution to journalArticlepeer-review

318 Scopus citations

Abstract

An SPR biosensor was developed by employing highly stable Au-protected Ag nanoplates (NP) as enhancers (see picture). Superior performance was achieved by depositing a thin and uniform coating of Au on the Ag surface while minimizing disruptive galvanic replacement and retaining the strong surface plasmon resonance (SPR) of the silver nanoplates.

Original languageEnglish
Pages (from-to)5629-5633
Number of pages5
JournalAngewandte Chemie - International Edition
Volume51
Issue number23
DOIs
StatePublished - Jun 4 2012

Keywords

  • biosensors
  • gold
  • nanostructures
  • silver
  • surface plasmon resonance

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