A monolayer-based setup for optical amplification

Tarkeshwar Gupta, Elizabetha Tartakovsky, Mark A. Iron, Milko E. Van Der Boom

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

Signal amplification has been demonstrated with surface-bound electrochromic complexes that can exist in one of two oxidation states (M 2+/3+). Reaction of FeCl3 with covalently immobilized Os2+ complexes on glass substrates converts the metal centers from one oxidation state to the other. The formed Fe2+ reduces a series of Ru3+-based monolayers. The absorption of light is coupled with the oxidation state of the complexes and provides the output for the monolayer-based device. The gain of the setup can be controlled by the addition of a Fe 2+ chelating ligand.

Original languageEnglish
Pages (from-to)7-10
Number of pages4
JournalACS Applied Materials and Interfaces
Volume2
Issue number1
DOIs
Publication statusPublished - Jan 27 2010

Keywords

  • Boolean logic
  • Communication
  • Monolayers
  • Sensors
  • Thin films

ASJC Scopus subject areas

  • Materials Science(all)

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