Preparation method of Gd < 3 + > doped BiOBr photocatalytic material
A photocatalytic material, the technology of cetyl trimethyl ammonium bromide, is applied in the field of preparation of BiOBr photocatalytic materials, and achieves the effects of simple method, avoiding a large reduction in photocatalytic efficiency and improving efficiency
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[0026] Example 1:
[0027] Follow the steps below to prepare BiOBr / Gd composites:
[0028] (1) Weigh 1.45g cetyltrimethylammonium bromide and put it into boiling 18ml ethylene glycol as solution A, weigh 1.9414g bismuth nitrate pentahydrate and add it to 12ml glycerol, then add 0.036 g hydrated nitric acid, as solution B. Both solution A and solution B were stirred for 30 minutes, and then solution B was slowly added dropwise to the beaker containing solution A, and the mixed solution after mixing the two solutions was subjected to ultrasonic treatment for 30 minutes to obtain a suspension;
[0029] (2) Transfer the suspension obtained in step (1) to a 50ml steel reaction kettle, which is placed in an oven, and the oven is heated to 160 degrees Celsius for 12 hours;
[0030] (3) Transfer the reaction solution obtained in step (2) to a 50ml centrifuge tube, centrifuge to obtain the precipitate, and wash it with deionized water and absolute ethanol for 3 times;
[0031] (4) Put the prec...
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[0032] Example 2:
[0033] Follow the steps below to prepare Gd / BiOBr composites:
[0034] (1) Weigh 1.45g cetyltrimethylammonium bromide and put it into boiling 18ml ethylene glycol as solution A, weigh 1.9414g bismuth nitrate pentahydrate and add it to 12ml glycerol, then add 0.090g of hydrated nitric acid was used as solution B. Both solution A and solution B were stirred for 30 minutes, and then solution B was slowly added dropwise to the beaker containing solution A, and the mixed solution after the two solutions was mixed was subjected to ultrasonic treatment for 30 minutes;
[0035] (2) Transfer the suspension obtained in step (1) to a 50ml steel reactor, which is placed in an oven, and the oven is heated to 160 degrees Celsius for 12 hours;
[0036] (3) Transfer the reaction solution obtained in step (2) to a 50ml centrifuge tube, centrifuge to obtain the precipitate, and wash it with deionized water and absolute ethanol for 3 times;
[0037] (4) Put the precipitate obtained a...
Example Embodiment
[0038] Example 3:
[0039] Follow the steps below to prepare Gd / BiOBr composites:
[0040] (1) Weigh 1.45g cetyltrimethylammonium bromide and put it into boiling 18ml ethylene glycol as solution A, weigh 1.9414g bismuth nitrate pentahydrate and add it to 12ml glycerol, then add 0.18g of hydrated nitric acid was used as solution B. Both solution A and solution B were stirred for 30 minutes, and then solution B was slowly added dropwise to the beaker containing solution A, and the mixed solution after the two solutions was mixed was subjected to ultrasonic treatment for 30 minutes;
[0041] (2) Transfer the suspension obtained in step (1) to a 50ml steel reactor, which is placed in an oven, and the oven is heated to 160 degrees Celsius for 12 hours;
[0042] (3) Transfer the suspension obtained in step (2) to a 50ml centrifuge tube, centrifuge to obtain the precipitate, and wash with deionized water and absolute ethanol for 3 times;
[0043] (4) Put the precipitate obtained after washin...
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