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Issue 1, 2015
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Switchable silver mirrors with long memory effects

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Abstract

An electrochemically stable and bistable switchable mirror was achieved for the first time by introducing (1) a thiol-modified indium tin oxide (ITO) electrode for the stabilization of the metallic film and (2) ionic liquids as an anion-blocking layer, to achieve a long memory effect. The growth of the metallic film was denser and faster at the thiol-modified ITO electrode than at a bare ITO electrode. The electrochemical stability of the metallic film on the thiol-modified ITO was enhanced, maintaining the metallic state without rupture. In the voltage-off state, the metal film maintained bistability for a long period (>2 h) when ionic liquids were introduced as electrolytes for the switchable mirror. The electrical double layer in the highly viscous ionic liquid electrolyte seemed to effectively form a barrier to the bromide ions, to protect the metal thin film from them when in the voltage-off state.

Graphical abstract: Switchable silver mirrors with long memory effects

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Publication details

The article was received on 27 Jun 2014, accepted on 19 Sep 2014 and first published on 29 Sep 2014


Article type: Edge Article
DOI: 10.1039/C4SC01912A
Citation: Chem. Sci., 2015,6, 596-602
  • Open access: Creative Commons BY-NC license
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    Switchable silver mirrors with long memory effects

    C. Park, S. Seo, H. Shin, B. D. Sarwade, J. Na and E. Kim, Chem. Sci., 2015, 6, 596
    DOI: 10.1039/C4SC01912A

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