Silver ion doped zinc thioindate heterojunction photocatalyst preparation method
A zinc thioindium acid and photocatalyst technology, which is applied in chemical instruments and methods, physical/chemical process catalysts, inorganic chemistry, etc., can solve problems such as poor absorption effect and unsatisfactory photoresponse range, and achieve surface area increase and promote Visible light catalyzed reaction, the effect of improving the utilization rate
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Embodiment 1
[0022] (1) Prepare In-MIL-68 by solvothermal method. First, under magnetic stirring treatment, terephthalic acid and In(NO 3 ) 3 ·xH 2 O was separately dispersed in 100 mL of DMF, and magnetic stirring was continued. After all the reaction substances were dissolved in DMF, the mixture was transferred to a 150 mL round bottom flask and placed in an oil bath at 100°C for 12 min. After natural cooling to room temperature, the solid product was collected manually and centrifuged by ethanol, washed thoroughly and dried at 60 °C for 12 hours to obtain In-MIL-68.
[0023] (2) Take out 90mg of In-MIL-68 and put it into a crucible, wrap it with aluminum foil and put it into a tube furnace. The temperature is raised to 500°C for annealing. The heating rate is 1°C / min and the temperature is kept at 500°C for 2h. After natural cooling to room temperature, light yellow In 2 o 3 hollow tube.
[0024] (3) Ag:ZnIn 2 S 4 / In 2 o 3 Synthesis of heterojunction photocatalysts. Under t...
Embodiment 2
[0026] As described in Example 1, the difference is that 282 μL of 0.05 mmol / mL zinc acetate solution, 282 μL of 0.1 mmol / mL indium acetate solution, 104 μL of 0.8 mmol / L silver nitrate solution, and 170 μL of 0.01 mmol / mL L-cysteine, 568μL 0.01 mmol / mL thioacetamide solution, the final catalyst is 2wt% Ag:ZnIn 2 S 4 / In 2 o 3 .
Embodiment 3
[0028] As described in Example 1, the difference is that 423 μL of 0.05 mmol / mL zinc acetate solution, 423 μL of 0.1 mmol / mL indium acetate solution, 216 μL of 0.8 mmol / L silver nitrate solution, and 255 μL of 0.01 mmol / mL L-cysteine, 852μL 0.01 mmol / mL thioacetamide solution, the final catalyst is 3wt% Ag:ZnIn 2 S 4 / In 2 o 3 .
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