Switching electrochromic performance improvement enabled by highly developed mesopores and oxygen vacancy defects of Fe-doped WO3 films

Two-dimensional WO3 nanosheets for high-performance electrochromic supercapacitors

“…To achieve these goals, enormous efforts have been devoted to tailoring the morphology, and controlling the size and doping of the bifunctional material to enhance the electrochromic and electrochemical performances. [3][4][5][6][7][8][9][10][11] For example, Kim et al 7 reported that mesoporous amorphous WO 3 film showed higher bifunctional performance than dense WO 3 film, owing to its porous structure facilitating rapid ion transport. In addition, building a nanoarray electrode is also an effective method.…”

Advances in Electrochemical Energy Devices Constructed with Tungsten Oxide-Based Nanomaterials

“…Peng et al [ 132 ] got Ti-doped WO 3 thin films that had less decay after 200 CV cycles than pure WO 3 . Koo et al [ 133 ] added Fe into WO 3 film. Compared with the switching time of 11.7 and 14.6 s for coloring and bleaching, respectively, of bare WO 3 , those were 7.2 and 2.2 s for 5% Fe-doped WO 3 .…”

Net-Patterned Fluorine-Doped Tin Oxide to Accelerate the Electrochromic and Photocatalytic Interface Reactions

“…The fast switching speed of 40M-FTO is associated with the optimized electrical properties, including the carrier concentration and Hall mobility, boosting the electron and Li ion transport within the ECDs during the electrochemical reaction. Figure 7b shows the calculated CE values of all electrodes, signifying comprehensive EC performance [38,39]. The CE value is defined as the optical density (OD) according to the charge densities (Q/A).…”