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Mixed Metal Oxides as Optically-passive Ion Storage Layers in Electrochromic Devices Based on Metallopolymers by Niklaus, Lukas (author);Schott, Marco (author);Subel, Jonas (author);Ulrich, Stephan (author);Reichert, Daniel (author);Posset, Uwe (author);Giffin, Guinevere A. (author) is a Engineering article available to read on EtoBox.

What is Mixed Metal Oxides as Optically-passive Ion Storage Layers in Electrochromic Devices Based on Metallopolymers about?

Electrochromic devices (ECDs) based on iron metallopolymers (Fe-MEPE) and different oxide-based ion storage electrodes on fluorine-doped tin oxide (FTO)-coated glass as transparent, conductive substrates are investigated in detail. Titanium-manganese oxide (TMO) thin film electrodes deposited by reactive magnetron co-sputtering on FTO glass were compared to commercially available titanium-vanadium oxide (TiVO x ) for use as opticallypassive ion storage layers. The ECDs with Fe-MEPE combined with TiVO x (coloration efficiency η = 2 cm 2 C -1 at 584 nm) and Ti-rich TMO (η = -4 cm 2 C -1 ) are blue-purple in the dark state at 0 V and become highly transmissive when 1.5 V is applied with a visible light transmittance (τ v ) change from 28% to 69% and 21% to 57% in 3 s and 13 s, respectively. The ECDs show fast responses and high reversibility over more than 100 cycles. The combination of Fe-MEPE and Mn-rich TMO (η = -24 cm 2 C -1 ) leads to a dark brown ECD, which can be brightened at 2.5 V (τ v : 4% ↔17%, 9 s for decoloring).

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Author

Niklaus, Lukas (author);Schott, Marco (author);Subel, Jonas (author);Ulrich, Stephan (author);Reichert, Daniel (author);Posset, Uwe (author);Giffin, Guinevere A. (author)

Publisher

Elsevier BV

Published

2021

Language

EN

Field

Engineering (Physical Sciences)