Similar tubular borax-doped graphite phase carbon nitride nanometer material and preparation method thereof
A technology of graphitic carbon nitride and nanomaterials, applied in chemical instruments and methods, nanotechnology, nanotechnology, etc., can solve problems such as single shape, achieve low cost, novel and simple process, and good application prospects
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Embodiment 1
[0032] 1.1 Dissolve a small amount of aminopropyltrimethoxysilane (APS) in water and pre-hydrolyze to obtain a 0.01M APS solution, then mix 0.2ml tetraethyl orthosilicate (TEOS) with 3ml 0.01M APS solution in a certain volume ratio , fully stirred until uniform to obtain solution A;
[0033] 1.2 Mix 50mL ethanol and 5mL water and stir for 30min, add 0.01g boric acid, stir again for 2h to obtain solution B;
[0034] 1.3 Slowly add the solution A obtained in step 1.1 to the solution B obtained in step 1.2, stir for 6 h, wash and centrifuge with water twice and then ethanol twice to obtain the product;
[0035] 1.4 Disperse the product obtained in step 1.3 in 30ml of methanol again, then add 1.0g of melamine powder, stir evenly, centrifuge and dry to obtain a white solid powder, and place the powder in a tube furnace for calcination at 520 °C in a nitrogen atmosphere 2h, the heating rate was 5°C / min, and the product was obtained;
[0036] 1.5 Disperse the product obtained after...
Embodiment 2
[0039] 2.1 Dissolve a small amount of aminopropyltrimethoxysilane (APS) in water and pre-hydrolyze to obtain a 0.01M APS solution, then mix 0.5ml tetraethyl orthosilicate (TEOS) with 5ml 0.01M APS solution in a certain volume ratio , fully stirred until uniform to obtain solution A;
[0040] 2.2 Mix 80mL ethanol and 5mL water and stir for 30min, add 0.01g boric acid, stir again for 2h to obtain solution B;
[0041] 2.3 Slowly add the solution A obtained in step 1.1 to the solution B obtained in step 1.2, stir for 8 h, wash and centrifuge with water twice and then ethanol twice to obtain the product;
[0042] 2.4 Disperse the product obtained in step 1.3 in 30ml of methanol again, then add 1.5g of melamine powder, stir evenly, centrifuge and dry to obtain a white solid powder, and place the powder in a tube furnace for calcination at 550°C for 2h , the heating rate was 5°C / min, and the product was obtained;
[0043] 2.5 Disperse the calcined product obtained in step 1.4 in a ...
Embodiment 3
[0046] 3.1 Dissolve a small amount of aminopropyltrimethoxysilane (APS) in water and pre-hydrolyze to obtain a 0.01M APS solution, then mix 0.8ml tetraethyl orthosilicate (TEOS) with 9ml 0.01M APS solution in a certain volume ratio , fully stirred until uniform to obtain solution A;
[0047] 3.2 Mix 50mL ethanol and 5mL water and stir for 30min, add 0.2g boric acid, stir again for 2h to obtain solution B;
[0048] 3.3 Slowly add the solution A obtained in step 1.1 to the solution B obtained in step 1.2, stir for 6 h, wash and centrifuge with water twice and then ethanol twice to obtain the product;
[0049] 3.4 Disperse the product obtained in step 1.3 in 30ml of methanol again, then add 1.2g of melamine powder, stir evenly, centrifuge and dry to obtain a white solid powder, and place the powder in a tube furnace for calcination at 600°C for 2h , the heating rate was 5°C / min, and the product was obtained;
[0050] 3.5 Disperse the calcined product obtained in step 1.4 in a 4...
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