Preparation method and application of graphene-molybdenum disulfide/titanium dioxide composite material with accordion structure
A composite material, molybdenum disulfide technology, applied in catalyst activation/preparation, chemical instruments and methods, chemical/physical processes, etc., can solve problems such as limited improvement range, achieve good conductivity, excellent cycle stability, excellent catalysis active effect
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Embodiment 1
[0042] The preparation process and steps in this embodiment are as follows:
[0043] (1) Synthetic graphite oxide according to the improved Hummers method;
[0044] (2) Preparation of layered Ti by acid etching 2 C, first 3.0g Ti 2 AlC was dissolved in 40ml of HF with a mass fraction of 10%. After the obtained solution was mechanically stirred for 10 hours, it was washed 4 times with deionized water and 2 times with ethanol. Ti 2 C;
[0045] (3) Preparation of rGO-MoS by hydrothermal method 2 / Acc-TiO 2 Composite material, 25mg Ti 2 C and 40mg of ammonium molybdate tetrahydrate (AMT) and 0.6g of thiourea were dissolved in 10ml of ultrapure water, stirred evenly with a magnetic stirrer, then 0.7ml of graphite oxide was dispersed in the above solution, and transferred to stainless steel for reaction after ultrasonication for 15min Kettle, in an electronic oven at 160 ° C for 24 hours, the obtained black powder was washed with water and ethanol, and then dried in a vacuum ...
Embodiment 2
[0053] The preparation process and steps in this embodiment are as follows:
[0054] (1) Synthetic graphite oxide according to the improved Hummers method;
[0055] (2) Preparation of layered Ti by acid etching 2 C, first 3.0g Ti 2 AlC was dissolved in 40ml of HF with a mass fraction of 10%. After the obtained solution was mechanically stirred for 10 hours, it was washed 4 times with deionized water and 2 times with ethanol. Ti 2 C;
[0056] (3) Preparation of rGO-MoS by hydrothermal method 2 / Acc-TiO 2 Composite material, 25mg Ti 2 C and 40mg of ammonium molybdate tetrahydrate (AMT) and 0.6g of thiourea were dissolved in 10ml of ultrapure water, stirred evenly with a magnetic stirrer, and then 0.2ml of graphite oxide was dispersed in the above solution, and transferred to stainless steel for reaction after ultrasonication for 15min. Kettle, insulated in an electronic oven at 160 °C for 24 hours, the obtained black powder was washed with water and ethanol by centrifugat...
Embodiment 3
[0061] The preparation process and steps in this embodiment are as follows:
[0062] (1) Synthetic graphite oxide according to the improved Hummers method;
[0063] (2) Preparation of layered Ti by acid etching 2 C, first 3.0g Ti 2 AlC was dissolved in 40ml of HF with a mass fraction of 10%. After the obtained solution was mechanically stirred for 10 hours, it was washed 4 times with deionized water and 2 times with ethanol. Ti 2 C;
[0064] (3) Preparation of rGO-MoS by hydrothermal method 2 / Acc-TiO 2 Composite material, 25mg Ti 2C and 40mg of ammonium molybdate tetrahydrate AMT and 0.6g of thiourea were dissolved in 10ml of ultrapure water, stirred evenly with a magnetic stirrer, and then 1.2ml of graphite oxide was dispersed in the above solution, ultrasonicated for 15min and transferred to a stainless steel reaction kettle , kept in an electronic oven at 160°C for 24h, the obtained black powder was washed with water and ethanol by centrifugation, and then dried in ...
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