Abstract
Thin films of hydrated vanadium pentoxide (V2O5 · nH2O) exhibit the phenomenon of electrochromism, whereby a film reversibly changes its color under the action of an applied electric field. A specific feature of this phenomenon is that it takes place in a “dry” planar system, in the absence of an electrolyte, which makes this system promising for various applications. We have studied changes in the optical and electrical properties of hydrated vanadium pentoxide films under the conditions of electrochromic coloration.
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