Bronze Phase Tungsten Oxide

Bronze phase tungsten oxide is special non-stoichiometric compounds with a general formula is MXWO3 (0 <x <1). Such compounds are more exist in sixty thousand crystal system, cubic crystal system and tetragonal crystal system, its structure is basic on WO6 mention structural layout primitives, tungsten oxide by foot roof structure built into a rigid skeleton having a six-membered, five- or four-membered ring channel layered structure. Such compounds have special physical and chemical properties, which generally has a high electronic conductivity and faster ion transport properties, which can be up to more than the conductive 2.5 × 106Ω-1m-1, is a low-temperature superconductors. Recently it was in the field of electrochromic displays, electrode and PH sensors widely used. The producing methods of it have chemical reduction, electrochemical reduction, and thermal reduction method.

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