Dumbbell-shaped ternary transition metal sulfide material as well as preparation method and application thereof
A transition metal, dumbbell-shaped technology, applied in the field of dumbbell-shaped ternary transition metal sulfide materials and its preparation, can solve the problems of energy level mismatch, reduce the number of electrons, and low photon quantum yield, so as to avoid photocorrosion oxidation, Prevent rapid recombination and improve the effect of separation
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Embodiment 1
[0035] The specific steps of preparation are as follows:
[0036]Step S1, first weigh 4.6g of cadmium nitrate and 4.6g of thiourea, then dissolve them in 60ml of ethylenediamine, stir for 30min, transfer to an autoclave and react at 160°C for 48h. Cool to room temperature after the reaction, centrifuge the obtained CdS nanorods, and dry them in an oven at 80°C;
Embodiment 2
[0038] The specific steps of preparation are as follows:
[0039] Step S1, first weigh 4.6g of cadmium nitrate and 4.6g of thiourea, then dissolve them in 60ml of ethylenediamine, stir for 30min, transfer to an autoclave and react at 160°C for 48h. Cool to room temperature after the reaction, centrifuge the obtained CdS nanorods, and dry them in an oven at 80°C;
[0040] Step S2, first weigh 0.14g of CdS nanorods obtained in S1, 0.6g of sodium molybdate dihydrate, and 0.15g of thioacetamide, and then dissolve them in 5ml of water and 25ml of diethylenetriamine, stir for 60min, and transfer React in an autoclave at 180°C for 16h. After the reaction was completed, it was cooled to room temperature, washed with deionized water and ethanol for three times, and then dried in an oven at 80°C to obtain MoS 2 - CdS nanocomposites.
Embodiment 3
[0042] The specific steps of preparation are as follows:
[0043] Step S1, first weigh 4.25g of cadmium nitrate and 4.25g of thiourea, then dissolve them in 60ml of ethylenediamine, stir for 20min, transfer to an autoclave and react at 150°C for 40h. Cool to room temperature after the reaction, centrifuge the obtained CdS nanorods, and dry them in an oven at 60°C;
[0044] Step S2, first weigh 0.12g of CdS nanorods obtained in S1, 0.5g of sodium molybdate dihydrate, and 0.1g of thioacetamide, and then dissolve them in 5ml of water and 25ml of diethylenetriamine, stir for 30min, and transfer React in an autoclave at 160°C for 16h. After the reaction was completed, it was cooled to room temperature, washed with deionized water and ethanol by centrifugation once, and then dried in an oven at 60°C to obtain MoS 2 - CdS nanocomposites;
[0045] Step S3, the preparation of methanol solution and copper sulfate solution:
[0046] a. Preparation of methanol solution: add 5ml of met...
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