A monolayer-based setup for optical amplification

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

doi:10.1021/am900647h

A monolayer-based setup for optical amplification

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

Weizmann Institute of Science, Israel

Research output: Contribution to journal › Article › peer-review

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 language	English
Pages (from-to)	7-10
Number of pages	4
Journal	ACS Applied Materials and Interfaces
Volume	2
Issue number	1
DOIs	https://doi.org/10.1021/am900647h
Publication status	Published - Jan 27 2010

Keywords

Boolean logic
Communication
Monolayers
Sensors
Thin films

ASJC Scopus subject areas

Materials Science(all)

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10.1021/am900647h

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AB - 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.

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KW - Thin films

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A monolayer-based setup for optical amplification

Abstract

Keywords

ASJC Scopus subject areas

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