Synthetic method for NiO/ZnO porous flower-like structure and product thereof
A synthesis method and technology of composite materials, which are applied in the field of synthesizing multi-empty flower-like structures, can solve problems such as the synthesis technology of multi-empty flower-like structures that have not yet been found, and achieve the purpose of improving pH, enhancing crystallinity and porosity, and improving surface activity. Effect
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[0029] Example 1
[0030] (1) Add 0.0742 g of nickel nitrate hexahydrate (Ni(NO 3 ) 2 . 6H 2 O) and 0.1503 g of zinc nitrate hexahydrate (Zn(NO 3 ) 2 . 6H 2 O) Add to 12 mL of DMF, 12 mL of water and 0.13 mL of acetone and stir for 0.5 h; add 0.0462 g of 2-aminoterephthalic acid and 0.0014 g of salicyl alcohol to the above mixed solution and stir 0.5 h, then add 0.1450 g of PVP and stir for 0.5 h to form a mixed solution;
[0031] (2) Transfer the mixed solution to the reaction kettle, keep it at 150 ℃ for 12 h, then centrifuge, wash and dry;
[0032] (3) Put the precursor in a muffle furnace, and increase the temperature from room temperature to 450°C at a heating rate of 1°C / min in an air atmosphere, and keep it for 2 hours. After the sample is cooled in the furnace, the product is obtained.
[0033] The XRD results of the product are as follows figure 1 As shown, it can be seen from the figure that all the diffraction peaks are consistent with the standard XRD card (44-1159; 36-145...
Example Embodiment
[0034] Example 2
[0035] (1) Add 0.0891 g of Ni(NO 3 ) 2 . 6H 2 O and 0.1353 g of Zn(NO 3 ) 2 . 6H 2 O was added to 11 mL of DMF, 13 mL of water and 0.15 mL of acetone, and stirred for 0.5 h; then 0.0416 g of 2-aminoterephthalic acid and 0.0015 g of salicyl alcohol were added to the above mixed solution and stirred to 0.5 h, then add 0.1740 g of PVP and stir for 0.5 h to form a mixed solution;
[0036] (2) Transfer the mixed solution to the reactor, keep it at 140 ℃ for 13 h, then centrifuge, wash, and dry.
[0037] (3) Put the precursor in a muffle furnace, and raise it from room temperature to 430 ℃ at a heating rate of 1 ℃ / min in an air atmosphere, and keep it for 2 h. After the sample is cooled with the furnace, the product is obtained, and the NiO / ZnO sheet is assembled The resulting multi-vacancy flower-like structure with a size of 2.8-2.9 μm.
Example Embodiment
[0038] Example 3
[0039] (1) Add 0.1187 g of Ni(NO 3 ) 2 . 6H 2 O and 0.1052 g of Zn(NO 3 ) 2 . 6H 2 O was added to 10 mL of DMF, 14 mL of water and 0.17 mL of acetone, and stirred for 0.5 h; then 0.0500 g of 2-aminoterephthalic acid and 0.0017 g of salicyl alcohol were added to the above mixed solution and stirred for 0.5 h, then add 0.2030 g of PVP and stir for 0.5 h to form a mixed solution.
[0040] (2) Transfer the mixed solution to the reactor, keep it at 130 ℃ for 7 h, then centrifuge, wash and dry.
[0041] (3) Put the precursor in a muffle furnace, and raise it from room temperature to 480 ℃ at a heating rate of 1 ℃ / min in an air atmosphere, and keep it for 3 h. After the sample is cooled with the furnace, the product is obtained, and the NiO / ZnO sheet is assembled. The resulting multi-vacancy flower-like structure has a size of 2.2-2.4 μm.
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