Please use this identifier to cite or link to this item: http://localhost:8080/xmlui/handle/123456789/3118
Title: Electrochromic Metallo-Organic Nanoscale Films: Fabrication, Color Range, and Devices
Authors: Elool Dov, N
Sreejith, S
Cohen, D
Bendikov, T
Rechav, K
Linda, J W S
Lahav, M
Van Der Boom, M E
Issue Date: 13-Jul-2017
Publisher: American Chemical Society
Citation: Journal of the American Chemical Society, 139(33):11471-11481
Abstract: In this study, we demonstrate a versatile approach for the formation of electrochromic nanoscale assemblies on transparent conductive oxides on both rigid and flexible substrates. Our method is based on the application of alternating spin-coated layers of well-defined metal polypyridyl complexes and a palladium(II) salt to form electrochemically addressable films with a high chromophore density. By varying the central metal ion of the polypyridyl complexes (Os, Ru, and Fe) and their ligands and by mixing these complexes, coatings with a wide range of colors can be achieved. These coatings cover a large area of RGB color space. The coloration intensities of these nanoscale films can be tuned by the number of deposition steps. The materials have very attractive ON/OFF ratios, electrochemical stabilities, and coloration efficiencies. Reversible color-to-colorless and color-to-color transitions were demonstrated, and the films were further integrated into sandwich cells.
Appears in Collections:2017

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