title: Enhanced electrochromism in gyroid-structured vanadium pentoxide.
abstract: Manufacturing V(2)O(5) in a 3D periodic highly interconnected gyroid structure on the 10 nm length scale is shown to lead to a significant electrochromic performance enhancement. The structured devices surpass previous inorganic electrochromic materials in all relevant parameters: the switching speed, coloration contrast, and composite coloration efficiency. In particular, the 85 ms switching speed lies within a factor of two of video rate. Enhanced ion intercalation into the gyroid morphology can be extended to other transition-metal oxides and is therefore promising for lithium ion batteries, supercapacitors, and sensors.
authors.affiliation: Department of Physics, University of Cambridge, Cambridge, UK.
authors.forename: Maik R J
authors.initials: MR
authors.lastname: Scherer
authors.forename: Li
authors.initials: L
authors.lastname: Li
authors.forename: Pedro M S
authors.initials: PM
authors.lastname: Cunha
authors.forename: Oren A
authors.initials: OA
authors.lastname: Scherman
authors.forename: Ullrich
authors.initials: U
authors.lastname: Steiner
mesh_terms: D011211:Electric Power Supplies; D004560:Electricity; D049329:Nanostructures / Q000737:chemistry* / Q000648:ultrastructure; D017968:Vanadium Compounds / Q000737:chemistry*
chemical_list: D017968:Vanadium Compounds; C066075:vanadium pentoxide