Electrochromic properties of oxidized tungsten in sulfuric acid solutions
Journal Article
·
· Sov. Electrochem. (Engl. Transl.); (United States)
OSTI ID:5389703
The parameters of the electrochromic process taking place on electrochemically oxidized tungsten electrodes were studied by recording current-voltage curves, making coulometric determinations, and investigating electrooptic effects in the oxide film. The electrochromic effect was studied in sulfuric acid solutions of different concentrations. The shape of the cathodic current-voltage curves is shown. The amounts of charge consumed and the contrast ratios as functions of cathodic potential of the tungsten electrode during coloration are presented. Also shown is the anodic and cathodic current as functions of time during bleaching of oxidized tungsten, plotted in different coordinates. High mobility of the protons in tungsten oxide produced by electrochemical oxidation of tungsten, relative to sputtered oxide, is shown to procure faster response of the electrochromic system.
- Research Organization:
- M. I. Kalinin Polytechnic Institute, Leningrad (USSR)
- OSTI ID:
- 5389703
- Journal Information:
- Sov. Electrochem. (Engl. Transl.); (United States), Journal Name: Sov. Electrochem. (Engl. Transl.); (United States) Vol. 23:2; ISSN SOECA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360204* -- Ceramics
Cermets
& Refractories-- Physical Properties
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400400 -- Electrochemistry
BLEACHING
CHALCOGENIDES
CHEMICAL REACTION KINETICS
CHEMICAL REACTIONS
CHEMISTRY
COLOR
CURRENTS
DISPLAY DEVICES
ELECTRIC CURRENTS
ELECTRICAL PROPERTIES
ELECTROCHEMICAL CELLS
ELECTROCHEMISTRY
ELECTRODES
HYDROGEN COMPOUNDS
INORGANIC ACIDS
KINETICS
MATERIALS TESTING
OPTICAL PROPERTIES
ORGANOLEPTIC PROPERTIES
OXIDATION
OXIDES
OXYGEN COMPOUNDS
PHYSICAL PROPERTIES
REACTION KINETICS
REFRACTORY METAL COMPOUNDS
SULFURIC ACID
TESTING
TRANSITION ELEMENT COMPOUNDS
TUNGSTEN COMPOUNDS
TUNGSTEN OXIDES
VOLTAMETRY
360204* -- Ceramics
Cermets
& Refractories-- Physical Properties
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400400 -- Electrochemistry
BLEACHING
CHALCOGENIDES
CHEMICAL REACTION KINETICS
CHEMICAL REACTIONS
CHEMISTRY
COLOR
CURRENTS
DISPLAY DEVICES
ELECTRIC CURRENTS
ELECTRICAL PROPERTIES
ELECTROCHEMICAL CELLS
ELECTROCHEMISTRY
ELECTRODES
HYDROGEN COMPOUNDS
INORGANIC ACIDS
KINETICS
MATERIALS TESTING
OPTICAL PROPERTIES
ORGANOLEPTIC PROPERTIES
OXIDATION
OXIDES
OXYGEN COMPOUNDS
PHYSICAL PROPERTIES
REACTION KINETICS
REFRACTORY METAL COMPOUNDS
SULFURIC ACID
TESTING
TRANSITION ELEMENT COMPOUNDS
TUNGSTEN COMPOUNDS
TUNGSTEN OXIDES
VOLTAMETRY