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Ultra fast electrochromic switching of nanoporous tungsten-tantalum oxide films
Robin Kirchgeorg1, Steffen Berger, Patrik Schmuki
1Department of Materials Science, WW-4, LKO, University of Erlangen-Nuremberg, Martensstr. 7, 91058 Erlangen, Germany.
Chemical Communications (Cambridge, England)
|November 10, 2010
Abstract:
Self-organized nanoporous oxide layers were grown on a W-Ta alloy by electrochemical anodization. These nanostructured mixed oxide layers show an ultra-fast electrochromic switching kinetics. Compared with porous WO(3) nanostructures more than 10 times higher switching frequencies are reached along with a significantly enhanced lifetime and cyclability.
