Sulfur-doped carbon-loaded platinum-based metal oxide interface material as well as preparation method and application thereof
An interface material and sulfur-doped technology, which is applied in the field of nanomaterials, can solve the problems of high cost and poor universality, and achieve the effects of high sulfur content, improved stability, and simple preparation methods
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[0035] The invention provides a method for preparing a sulfur-doped carbon-supported platinum-based metal oxide interface material, comprising: S1) mixing a sulfur-doped mesoporous carbon nanomaterial, a platinum precursor, and a first transition metal salt in a first solvent After mixing in the medium, after removing the first solvent, the mixture is obtained; S2) performing high-temperature reduction on the mixture to obtain a sulfur-doped carbon-supported platinum-based alloy material; S3) placing the sulfur-doped carbon-supported platinum-based alloy material in an oxidizing atmosphere The annealing treatment was carried out to obtain the sulfur-doped carbon-supported platinum-based metal oxide interface material.
[0036] see figure 1 , figure 1 Schematic diagram of the preparation process of the sulfur-doped carbon-supported platinum-based metal oxide interface material provided by the present invention.
[0037] The present invention has no special limitation on the s...
Embodiment 1
[0055] a. Mix 2g 2,2'-dithiophene, 2g silica, 1g Co(NO 3 ) 2 ·6H 2 O mixed with 150ml tetrahydrofuran, stirred uniformly, then rotary evaporated to remove the solvent, to obtain a uniformly mixed solid mixture;
[0056] b. Transfer the resulting solid mixture to a quartz crucible or a corundum crucible, put it into a tube furnace, then feed nitrogen at a flow rate of 0.3L / min as a protective gas, and heat up the tube furnace at a rate of 5°C / min to Keep at 800°C for 2 hours; then cool down to room temperature at a rate of 5°C / min to obtain carbon nanomaterials;
[0057] c. Transfer the carbon nanomaterials to the Erlenmeyer flask, add about 100ml 2mol / L NaOH solution for the first alkali etching, and stir for 48h; then use vacuum filtration to separate the solid, and transfer the solid to the Erlenmeyer flask again; Add about 100ml of 2mol / L NaOH solution for secondary alkali etching, stir for 24 hours, then vacuum filter and separate to obtain solids, and dry at 80°C to ob...
Embodiment 2
[0070] a. Mix 2g 5,5'-dibromo-2,2'-bithiophene, 2g silicon dioxide, 0.8g Co(NO 3 ) 2 ·6H 2 O mixed with 150ml tetrahydrofuran, stirred uniformly, then rotary evaporated to remove the solvent, to obtain a uniformly mixed solid mixture;
[0071] b. Transfer the resulting solid mixture to a quartz crucible or a corundum crucible, put it into a tube furnace, then feed nitrogen at a flow rate of 0.3L / min as a protective gas, and heat up the tube furnace at a rate of 5°C / min to Keep at 1000°C for 2 hours; then cool down to room temperature at a rate of 5°C / min to obtain carbon nanomaterials;
[0072] c. Transfer the carbon nanomaterials to the Erlenmeyer flask, add about 100ml 2mol / L NaOH solution for the first alkali etching, and stir for 48h; then use vacuum filtration to separate the solid, and transfer the solid to the Erlenmeyer flask again; Add about 100ml of 2mol / L NaOH solution for secondary alkali etching, stir for 24 hours, then vacuum filter and separate to obtain soli...
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