Preparation method of hexagonal-prism-shaped alpha-FeOOH nano-rod
A technology of nanorods and hexagonal prisms, which is applied in the field of preparation of hexagonal prism iron oxyhydroxide nanorods, achieving the effects of low production cost, simple preparation process and high purity
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Embodiment 1
[0024] A process for preparing hexagonal α-FeOOH nanorods, the specific steps comprising:
[0025] (1) Preparation of solution 1: Mix 13.6mL of absolute ethanol and 16.3mL of deionized water, then add 0.54g of FeCl 3 ·6H 2 O was added to the solution and stirred evenly to obtain solution 1;
[0026] (2) Preparation of solution 2: Dissolve 1.1 g of PVP in a mixed solution containing 13.6 mL of absolute ethanol and 16.3 mL of deionized water, and stir evenly to obtain solution 2;
[0027] (3) Preparation of mixed solution: Add solution 2 obtained in step (2) dropwise to solution 1 with a dropper, and stir magnetically to obtain a uniformly mixed solution, then use a pipette gun to take 105uL of ammonia water and dropwise add In the solution, stir vigorously for 20 minutes, then add 22mL deionized aqueous solution containing 0.4g NH4F dropwise to the mixed solution, and magnetically stir to obtain a uniformly mixed solution;
[0028] (4) Sample preparation: transfer the mixed ...
Embodiment 2
[0033] A process for preparing hexagonal α-FeOOH nanorods, the specific steps comprising:
[0034] (1) Preparation of solution 1: Mix 15mL of absolute ethanol and 15mL of deionized water, then add 0.54g of FeCl3 6H2O into the solution, stir well to obtain solution 1;
[0035] (2) Preparation of solution 2: Dissolve 1.1 g of PVP in a mixed solution containing 15 mL of absolute ethanol and 15 mL of deionized water, and stir evenly to obtain solution 2;
[0036](3) Preparation of mixed solution: Add solution 2 obtained in step (2) dropwise into solution 1 with a dropper, and stir magnetically to obtain a uniformly mixed solution, then use a pipette to take 115 μL of ammonia water and dropwise add to the mixed solution, stirred vigorously for 15 minutes, then added dropwise 20mL deionized aqueous solution containing 0.35g NH4F into the mixed solution, and magnetically stirred to obtain a uniformly mixed solution;
[0037] (4) Sample preparation: transfer the mixed solution obtain...
Embodiment 3
[0040] A process for preparing hexagonal α-FeOOH nanorods, the specific steps comprising:
[0041] (1) Preparation of solution 1: Mix 13.6mL of absolute ethanol and 16.3mL of deionized water, then add 0.54g of FeCl3·6H2O into the solution, stir well to obtain solution 1;
[0042] (2) Preparation of solution 2: Dissolve 1.1 g of PVP in a mixed solution containing 13.6 mL of absolute ethanol and 16.3 mL of deionized water, and stir evenly to obtain solution 2;
[0043] (3) Preparation of mixed solution: Add solution 2 obtained in step (2) dropwise to solution 1 with a dropper, and stir magnetically to obtain a uniformly mixed solution, then use a pipette to take 125 μL of ammonia water and add dropwise to the mixed solution, stirred vigorously for 25 minutes, then added dropwise 18mL deionized aqueous solution containing 0.3g NH4F into the mixed solution, and magnetically stirred to obtain a uniformly mixed solution;
[0044] (4) Sample preparation: transfer the mixed solution ...
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