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Electrochemical Addressing of the Optical Properties of a Monolayer on a Transparent Conducting Substrate


  • This research was supported by the Helen and Martin Kimmel Center for Molecular Design, the Yigal-Alon Fellowship program, MINERVA, the German BMBF, and the MJRG for Molecular Materials and Interface Design (M.E.v.d.B). A.D. thanks DST (India) for financial assistance. A.D.S. is the recipient of the Reva G. Stone Postdoctoral Fellowship. We thank M. Altman and H. Cohen (WIS) for the AFM and XPS measurements, respectively. M.E.v.d.B. is the incumbent of the Dewey David Stone and Harry Levine career development chair.


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Don't forget to write! Electrochemical charge storage in a ruthenium-based monolayer on a hydrophilic substrate (for example, indium tin oxide coated glass) produces redox switching of the optical properties of the system (see picture). This read/write process can be carried out at low voltage in air and monitored by UV/Vis spectrophotometry. This makes the monolayer system a suitable candidate for nonvolatile memory devices.

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