Three-component composite photocatalysis material, and preparation method and application thereof
A technology of photocatalytic materials and composite photocatalysis, which is applied in the field of ternary composite photocatalytic materials and its preparation, can solve the problems of photocatalytic activity to be improved, difficult synthesis of polythiophene, and poor stability, so as to improve the photocatalytic effect, The effect of good stability and catalytic activity, excellent electrical conductivity
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Embodiment 1
[0030] Step 1. Preparation of Ag / g-C 3 N 4 Photocatalyst: Take 1g of purchased melamine and dissolve 0.001g of AgNO 3 in ethanol and continuously ultrasonically stirred for 3 hours, then dried at 60°C to obtain a precursor, which was placed in a crucible and placed in a muffle furnace, and calcined in an air atmosphere at a heating rate of 2.3°C / min Raise the temperature to 500°C and keep it at a constant temperature for 2 hours, continue to raise the temperature to 550°C at the same heating rate, and keep it at a constant temperature for 1 hour, cool down to room temperature naturally and grind it finely to obtain Ag / g-C 3 N 4 Photocatalyst, save for future use.
[0031] Step 2. Preparation of PPy / Ag / g-C 3 N 4 : the Ag / g-C 3 N 4 Add the photocatalyst and deionized water into the beaker and perform ultrasonic treatment to obtain a well-dispersed dispersion; dissolve the initiator and functional monomer in chloroform and add the above solution and ultrasonically mix; the...
Embodiment 2
[0034] Step 1. Preparation of Ag / g-C 3 N 4 Photocatalyst: Take 2g of purchased melamine and dissolve 0.005g of AgNO 3 in ethanol and continuously ultrasonically stirred for 5 hours, then dried at 60°C to obtain a precursor, which was placed in a crucible and placed in a muffle furnace, and calcined in an air atmosphere at a heating rate of 3°C / min Raise the temperature to 500°C and keep it at a constant temperature for 2 hours, continue to raise the temperature to 575°C at the same heating rate, and keep it at a constant temperature for 1 hour, cool down to room temperature naturally and grind it finely to obtain Ag / g-C 3 N 4 Photocatalyst, save for future use.
[0035] Step 2. Preparation of PPy / Ag / g-C 3 N 4 : the Ag / g-C 3 N 4 Add the photocatalyst and deionized water into the beaker and perform ultrasonic treatment to obtain a well-dispersed dispersion; dissolve the initiator and functional monomer in chloroform and add the above solution and ultrasonically mix; the r...
Embodiment 3
[0038] Step 1. Preparation of Ag / g-C 3 N 4 Photocatalyst: Take 1g of purchased melamine and dissolve 0.1g of AgNO 3 in ethanol and continuously ultrasonically stirred for 4 hours, then dried at 60°C to obtain a precursor, which was placed in a crucible and placed in a muffle furnace, and calcined in an air atmosphere at a heating rate of 4°C / min Raise the temperature to 500°C and keep it at a constant temperature for 2 hours, continue to raise the temperature to 600°C at the same heating rate, and keep it at a constant temperature for 1 hour, cool down to room temperature naturally and grind it finely to obtain Ag / g-C 3 N 4 Photocatalyst, save for future use.
[0039] Step 2. Preparation of PPy / Ag / g-C 3 N 4 : the Ag / g-C 3 N 4 Add the photocatalyst and deionized water into the beaker and perform ultrasonic treatment to obtain a well-dispersed dispersion; dissolve the initiator and functional monomer in chloroform and add the above solution and ultrasonically mix; the rea...
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