Method for preparing nano platinum/titanium dioxide nanotube electrode by pulse electrodeposition
A technology of pulse electrodeposition and titanium dioxide, applied in the direction of electrolytic coating, surface reaction electrolytic coating, coating, etc., can solve the problems of low current density, uneven deposition layer, high recombination rate of photogenerated carriers, and achieve Pt nanoparticles The effect of small size, excellent photocatalytic performance, and wide application prospects
Inactive Publication Date: 2011-11-23
BEIJING UNIV OF TECH
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The invention relates to a method for preparing a nano platinum/titanium dioxide nanotube electrode by pulse electrodeposition, belonging to the technical field of photoelectric catalysis. The existing Pt-TiO2/Ti nanotube electrodes are mostly prepared by a direct-current electrodeposition method, and have the defects of low current density, serious hydrogen evolution reaction and nonuniform surface deposit platinum. The preparation method of the Pt-TiO2/Ti nanotube electrode comprises the following steps: preparing a titanium dioxide nanotube array, which is regularly arranged and perpendicularly oriented, on a titanium sheet by an anodic oxidation method, and depositing Pt on the titanium dioxide nanotubes in a chloroplatinic acid/sulfuric acid solution by a pulse electrodeposition method to obtain the required electrode. No surfactant is needed in the deposition process, so the technique is simple, and the Pt nanoparticles are fine and have large specific area and excellent photoelectric catalysis property. The nano platinum/titanium dioxide nanotube electrode prepared by the method provided by the invention is applicable to the fields of fuel batteries, pollution treatment, catalysts and the like.
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Property | Measurement | Unit |
Particle size | 11.0 | nm |
tensile | MPa | |
Particle size | Pa | |
strength | 10 |
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