Supramolecular polymerized carbon nitride photocatalyst and preparation method and application thereof
A supramolecular and catalyst technology, applied in the field of photocatalysis, can solve the problems of affecting the morphology and photocatalytic performance of carbon nitride, unfavorable large-scale mass production, high raw material cost, etc., and achieve superior photocatalytic degradation performance and good separation effect of photogenerated charges , the effect of high photogenerated charge separation efficiency
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[0031] Example 1:
[0032] A preparation method of supramolecular polymerized carbon nitride photocatalyst includes the following steps:
[0033] (1) According to the ratio of the amount of melamine, cyanuric acid and urea to 4:4:1, weigh melamine, cyanuric acid and urea (the total mass of the three is 8g); Melamine, cyanuric acid and urea were added to dimethyl sulfoxide (the total volume of dimethyl sulfoxide used is 160 mL), and ultrasonic treatment was used to completely dissolve melamine, cyanuric acid and urea into dimethyl sulfoxide. , Get melamine solution, cyanuric acid solution and urea solution.
[0034] (2) In a constant temperature water bath, heat the melamine solution, cyanuric acid solution and urea solution obtained in step (1) to 30°C and keep it at a constant temperature, and then mix these three solutions with each other at a speed of 250r The molecular polymerization reaction was carried out for 30 minutes under electric stirring conditions of 1 / min. After the ...
Example Embodiment
[0037] Example 2:
[0038] A preparation method of supramolecular polymerized carbon nitride photocatalyst includes the following steps:
[0039] (1) According to the mass ratio of melamine, cyanuric acid and urea of 1:1:1, weigh melamine, cyanuric acid and urea (the total mass of the three is 8g); the weighed melamine, cyanuric acid and urea Polycyanic acid and urea were added to dimethyl sulfoxide (the total volume of dimethyl sulfoxide used was 160 mL), and ultrasonic treatment was used to completely dissolve melamine, cyanuric acid and urea in dimethyl sulfoxide to obtain melamine Solution, cyanuric acid solution and urea solution.
[0040] (2) In a constant temperature water bath, heat the melamine solution, cyanuric acid solution, and urea solution obtained in step (1) to 60°C and maintain a constant temperature, and then mix these three solutions with each other at a speed of 250r The molecular polymerization reaction was carried out for 30 minutes under electric stirring ...
Example Embodiment
[0043] Example 3:
[0044] A preparation method of supramolecular polymerized carbon nitride photocatalyst includes the following steps:
[0045] (1) According to the mass ratio of melamine, cyanuric acid and urea of 1:1:1, weigh melamine, cyanuric acid and urea (the total mass of the three is 8g); the weighed melamine, cyanuric acid and urea Polycyanic acid and urea were added to dimethyl sulfoxide (the total volume of dimethyl sulfoxide used was 160 mL), and ultrasonic treatment was used to completely dissolve melamine, cyanuric acid and urea in dimethyl sulfoxide to obtain melamine Solution, cyanuric acid solution and urea solution.
[0046] (2) In a constant temperature water bath, heat the melamine solution, cyanuric acid solution and urea solution obtained in step (1) to 30°C and keep it at a constant temperature, and then mix these three solutions with each other at a speed of 250r The molecular polymerization reaction was carried out for 30 minutes under electric stirring...
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