Composite metal sulfide photocatalyst, and preparation method and application thereof
A technology of photocatalysts and composite metals, applied in the direction of physical/chemical process catalysts, chemical instruments and methods, chemical/physical processes, etc., can solve problems such as the efficiency of composite metal sulfides, and achieve broad application value, controllable composition, performance-efficient effects
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Embodiment 1
[0047] Nano photocatalyst AgInS 2 Preparation and hydrogen production
[0048]Prepare 50 mL of 0.1 mol / L indium trichloride tetrahydrate InCl 3 4H 2 O, 0.3 mol / L sodium diethyldithiocarbamate (C 2 h 5 ) 2 NCSSNa?3H 2 O in ethanol solution, and then the above two solutions are mixed and reacted under strong magnetic stirring until the precipitation is complete, and after three times of filtration and washing, In(DDTC) can be obtained 3 Precursor.
[0049] Add 0.05 g of polyvinylpyrrolidone and 0.06 g of silver acetate into a round-bottomed flask filled with 10 mL of deionized water and 1 mL of ethylenediamine, stir at 30°C for 30 min until dissolved, and then add 5 mL of 0.084mol / L The potassium iodide solution was dropped into the round bottom flask at a rate of 1 mL / min, and the reaction was continued for 10 min to prepare the AgI precursor.
[0050] Transfer AgI to autoclave, weigh 0.3 g In(DDTC) 3 , 0.016 g Zn(CH 3 COO) 2 1. Measure 25 mL of deionized water into ...
Embodiment 2
[0053] Nano-Heterogeneous Photocatalyst AgInS 2 -Ag 2 Preparation of S
[0054] Prepare 50 mL of 0.1mol / L indium trichloride tetrahydrate InCl 3 4H 2 O ethanol solution, 0.3mol / L sodium diethyldithiocarbamate (C 2 h 5 ) 2 NCSSNa?3H 2 O in ethanol solution, and then the above two solutions are mixed and reacted under strong magnetic stirring until the precipitation is complete, and after three times of filtration and washing, In(DDTC) can be obtained 3 Precursor.
[0055] Add 0.05 g of polyvinylpyrrolidone and 0.06 g of silver acetate into a round-bottomed flask filled with 10 mL of deionized water and 1 mL of ethylenediamine, stir at 30 °C for 30 min until dissolved, and then add 5 mL of 0.084mol / L The potassium iodide solution was dropped into the round bottom flask at a rate of 1 mL / min, and the reaction was continued for 10 min to prepare the AgI precursor.
[0056] Transfer the AgI precursor to a hydrothermal kettle and weigh 0.3 g In(DDTC) 3 , 0.04 g Zn(CH 3 CO...
Embodiment 3
[0059] Nano photocatalyst AgInS 2 -Ag 2 Preparation of S-ZnS:
[0060] Prepare 50 mL of 0.1mol / L indium trichloride tetrahydrate InCl 3 4H 2 O ethanol solution, 0.3mol / L sodium diethyldithiocarbamate (C 2 h 5 ) 2 NCSSNa?3H 2 O in ethanol solution, and then the above two solutions are mixed and reacted under strong magnetic stirring until the precipitation is complete, and after three times of filtration and washing, In(DDTC) can be obtained 3 Precursor.
[0061] Add 0.05 g of polyvinylpyrrolidone and 0.06 g of silver acetate into a round-bottomed flask filled with 10 mL of deionized water and 1 mL of ethylenediamine, stir at 30 °C for 30 min until dissolved, and then add 5 mL of 0.084mol / L The potassium iodide solution was dropped into the round bottom flask at a rate of 1 mL / min, and the reaction was continued for 10 min to prepare the AgI precursor.
[0062] Transfer the AgI precursor to a hydrothermal kettle and weigh 0.3 g In(DDTC) 3 , 0.08 g Zn(CH 3 COO) 2 1. ...
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