Physical vacuum method of preparing two-dimensional nano-material
A two-dimensional nanomaterial and vacuum technology, applied in the direction of nanotechnology, nanotechnology, chemical instruments and methods, etc., can solve the problems of being unsuitable for large-scale production, cumbersome preparation process, and expensive materials, and meet the requirements of mass production , simple preparation, and the effect of improving quality
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Embodiment 1
[0032] The preparation method of two-dimensional tin oxide nanomaterial comprises the following steps:
[0033] S1: Add 1.13g of ammonium formate to 300ml of distilled water, then add formic acid, and add an auxiliary agent to a final concentration of 2.5 mg / L. The auxiliary agent is made by mixing iodine oxide and tellurium oxide in a mass ratio of 3:2 , stirred at a speed of 120rpm / min for 6 minutes, and carried out ultrasonic treatment at the same time, the time of each ultrasonic treatment was 65s, the ultrasonic interval time was 45s, and the power of ultrasonic treatment was 190W, and finally obtained a mixed solution with a pH of 2.7;
[0034]S2: each 100mL of the graphene oxide solution of 17mg / L and the tin chloride pentahydrate solution of 54g / L; First 1 / 3 of the graphene oxide solution and two-fifths of the tin chloride pentahydrate solution are added to 300mL of the solution obtained in S1, and add N-vinylpyrrolidone to its final concentration of 5.5mg / L, stir well...
Embodiment 2
[0039] The preparation method of two-dimensional titanium oxide nanometer material, comprises the following steps:
[0040] S1: Add 0.574g of Tris to 300ml of distilled water, then add concentrated hydrochloric acid, and add an auxiliary agent to a final concentration of 2.5ml / L. The auxiliary agent consists of iodine oxide and tellurium oxide in a mass ratio of 3 :2 mixed, stirred at 120rpm / min speed for 10 minutes, and carried out ultrasonic treatment at the same time, the time of each ultrasonic treatment was 65s, the ultrasonic interval time was 45s, and the power of ultrasonic treatment was 230W, and it was 7.3 to obtain pH. solution;
[0041] S2: Get 100mL of the graphene oxide solution of 16mg / L and the titanium chloride solution of 43g / L; First add one-third of the graphene oxide solution and two-fifths of the titanium chloride solution into 300mL of S1 The solution obtained, and add N-vinylpyrrolidone to its final concentration of 5.5mg / L, stir well; then add one-thi...
Embodiment 3
[0046] The preparation method of two-dimensional magnesium oxide nanometer material, comprises the following steps:
[0047] S1: Add 0.214g of alanine to 300ml of distilled water, then add concentrated hydrochloric acid, and add an auxiliary agent to a final concentration of 2.5mg / L. The auxiliary agent is composed of iodine oxide and tellurium oxide in a mass ratio of 3:2 Mixed, stirred at a speed of 120rpm / min for 12 minutes, and ultrasonic treatment was carried out at the same time, the time of each ultrasonic treatment was 65s, the interval of ultrasonic treatment was 45s, and the power of ultrasonic treatment was 270W, and a uniformly mixed solution with a pH of 3.9 was obtained;
[0048] S2: get each 100mL of the graphene oxide solution of 21mg / L and the magnesium sulfate heptahydrate solution of 67g / L; The solution obtained in S1, and add N-vinylpyrrolidone to its final concentration of 5.5mg / L, stir well; then add one-third of the graphene oxide solution and one-fifth ...
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