Photoelectrochemistry of semiconductor ZnO particulate films
Journal Article
·
· Journal of the Electrochemical Society; (United States)
- Centre de Recherche en Photobiophysique, Univ. du Quebec a Trois Rivieres, Trois-Rivieres, Quebec, G9A 5H7 (CA)
- Notre Dame Univ., IN (United States). Radiation Lab.
This paper reports on thin films of ZnO semiconductor that have been prepared on electrode surfaces by coating them with quantized ZnO colloids. The photoelectrochemical properties of semiconductor particulate films have been evaluated with both steady-state and laser pulse excitations. The ZnO film behaves like an n-type semiconductor with a flatband potential of {minus}0.6 V vs. SCE. The incident-photon conversion efficiency at 320 nm is 15%. The generation of photovoltage at these electrodes has been time-resolved with coulostatic laser-flash-photolysis experiments.
- OSTI ID:
- 7305750
- Journal Information:
- Journal of the Electrochemical Society; (United States), Journal Name: Journal of the Electrochemical Society; (United States) Vol. 139:6; ISSN 0013-4651; ISSN JESOA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360606* -- Other Materials-- Physical Properties-- (1992-)
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400400 -- Electrochemistry
400500 -- Photochemistry
CHALCOGENIDES
COLLOIDS
DATA
DISPERSIONS
ELECTROCHEMICAL CELLS
ELECTROMAGNETIC RADIATION
EQUIPMENT
EXPERIMENTAL DATA
FABRICATION
FILMS
INFORMATION
LASER RADIATION
MATERIALS
N-TYPE CONDUCTORS
NUMERICAL DATA
OXIDES
OXYGEN COMPOUNDS
PHOTOELECTROCHEMICAL CELLS
PHOTOELECTROMAGNETIC EFFECTS
PHOTOVOLTAIC EFFECT
RADIATIONS
SEMICONDUCTOR MATERIALS
SOLAR EQUIPMENT
THIN FILMS
ZINC COMPOUNDS
ZINC OXIDES
360606* -- Other Materials-- Physical Properties-- (1992-)
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400400 -- Electrochemistry
400500 -- Photochemistry
CHALCOGENIDES
COLLOIDS
DATA
DISPERSIONS
ELECTROCHEMICAL CELLS
ELECTROMAGNETIC RADIATION
EQUIPMENT
EXPERIMENTAL DATA
FABRICATION
FILMS
INFORMATION
LASER RADIATION
MATERIALS
N-TYPE CONDUCTORS
NUMERICAL DATA
OXIDES
OXYGEN COMPOUNDS
PHOTOELECTROCHEMICAL CELLS
PHOTOELECTROMAGNETIC EFFECTS
PHOTOVOLTAIC EFFECT
RADIATIONS
SEMICONDUCTOR MATERIALS
SOLAR EQUIPMENT
THIN FILMS
ZINC COMPOUNDS
ZINC OXIDES