Improved photoanodes for photoelectrolysis
Conference
·
OSTI ID:7035026
Photocurrents of the oxide semiconductors n-type titanium dioxide and n-type iron oxide in aqueous electrolyte have been improved by deposition of an oxygen evolution catalyst (platinum, rhodium) onto the semiconductor. In addition, the photocurrents of titanium dioxide can also be improved by optimization of the carrier density of the electrode upon passing sequences of anodic and cathodic currents. We demonstrated a negative shift in flat-band potential of titanium dioxide in the presence of dextrose in the electrolyte solution.
- Research Organization:
- Institute of Gas Technology, Chicago, IL (USA)
- OSTI ID:
- 7035026
- Report Number(s):
- CONF-820605-22; ON: DE83900078
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
08 HYDROGEN
080101 -- Hydrogen-- Production-- Electrolysis
14 SOLAR ENERGY
140505* -- Solar Energy Conversion-- Photochemical
Photobiological
& Thermochemical Conversion-- (1980-)
ANODES
AQUEOUS SOLUTIONS
CARRIER DENSITY
CATALYSTS
CHALCOGENIDES
CURRENTS
DATA
DISPERSIONS
ELECTRIC CURRENTS
ELECTRIC POTENTIAL
ELECTROCHEMICAL CELLS
ELECTRODES
ELECTROLYTES
ELECTROLYTIC CELLS
EQUIPMENT
EXPERIMENTAL DATA
INFORMATION
IRON COMPOUNDS
IRON OXIDES
MATERIALS
MIXTURES
N-TYPE CONDUCTORS
NUMERICAL DATA
OXIDES
OXYGEN COMPOUNDS
PHOTOANODES
PHOTOCURRENTS
PHOTOELECTROCHEMICAL CELLS
PHOTOELECTROLYTIC CELLS
SEMICONDUCTOR MATERIALS
SOLAR EQUIPMENT
SOLUTIONS
TITANIUM COMPOUNDS
TITANIUM OXIDES
TRANSITION ELEMENT COMPOUNDS
080101 -- Hydrogen-- Production-- Electrolysis
14 SOLAR ENERGY
140505* -- Solar Energy Conversion-- Photochemical
Photobiological
& Thermochemical Conversion-- (1980-)
ANODES
AQUEOUS SOLUTIONS
CARRIER DENSITY
CATALYSTS
CHALCOGENIDES
CURRENTS
DATA
DISPERSIONS
ELECTRIC CURRENTS
ELECTRIC POTENTIAL
ELECTROCHEMICAL CELLS
ELECTRODES
ELECTROLYTES
ELECTROLYTIC CELLS
EQUIPMENT
EXPERIMENTAL DATA
INFORMATION
IRON COMPOUNDS
IRON OXIDES
MATERIALS
MIXTURES
N-TYPE CONDUCTORS
NUMERICAL DATA
OXIDES
OXYGEN COMPOUNDS
PHOTOANODES
PHOTOCURRENTS
PHOTOELECTROCHEMICAL CELLS
PHOTOELECTROLYTIC CELLS
SEMICONDUCTOR MATERIALS
SOLAR EQUIPMENT
SOLUTIONS
TITANIUM COMPOUNDS
TITANIUM OXIDES
TRANSITION ELEMENT COMPOUNDS