An octahedral morphology cufeo 2 Material preparation method
An octahedral, cuso4·5h2o technology, applied in chemical instruments and methods, iron compounds, inorganic chemistry, etc., can solve the problems of complex operation, long reaction time, affecting the adsorption and activation of reaction molecules, and achieve high-efficiency photoelectrochemical performance, Short response time, exposure-promoting effect
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Embodiment 1
[0031] Synthesis of octahedral CuFeO by hydrothermal method 2 Particles, the specific steps of the method are as follows:
[0032] Weigh 1 mmol CuSO 4 ·5H 2 O and FeSO 4 ·7H 2 O, made into 20 ml solution, then weighed 2 mmol anhydrous citric acid, added to the previous 20 ml mixed solution, continued to weigh 0.1 g PVP and added to the mixed solution, after ultrasonic stirring, the formed mother liquor was transferred into a 30 ml reactor; weigh 50 mmol NaOH, dissolve it in 10 ml of water, then add the NaOH solution into the reactor, react in an oven at 160 °C for 6 h, wash the product several times with alcohol, and transfer it to a 60 The product was obtained by drying in an oven at ℃ for 6 h.
[0033] figure 1 It is a scanning electron microscope picture of the product prepared in Example 1 of the present invention, and it can be seen from the figure that the shape of the sample is an octahedral structure.
[0034] figure 2 It is the powder X-ray diffraction spectr...
Embodiment 2
[0036] Synthesis of octahedral CuFeO by hydrothermal method 2 Particles, the specific steps of the method are as follows:
[0037] Weigh 1 mmolCuSO 4 ·5H 2 O and FeSO 4 ·7H 2 O, made into 20 ml solution, then weighed 2 mmol anhydrous citric acid, added to the previous 20 ml mixed solution, continued to weigh 0.5 g PVP and added to the mixed solution, after ultrasonic stirring, the mother liquor formed was transferred to into a 30 ml reactor; weigh 80 mmol NaOH, dissolve it in 10 ml of water, then add the NaOH solution into the reactor, react in an oven at 160 °C for 6 h, wash the product several times with alcohol, and then transfer it to Dry in an oven at 60 °C for 6 h to obtain the product
[0038] image 3 It is a scanning electron microscope picture of the product prepared in Example 2 of the present invention, and it can be seen from the figure that the shape of the sample is an octahedral structure.
[0039] Figure 4 It is the powder X-ray diffraction spectrogra...
Embodiment 3
[0041] Preparation of Octahedral CuFeO by Thermal Synthesis 2 Particles, the specific steps of the method are as follows:
[0042] Weigh 1 mmolCuSO 4 ·5H2 O and FeSO 4 ·7H 2 O, made into 20 ml solution, then weighed 2 mmol trisodium citrate trihydrate, added to the previous 20 ml mixed solution, continued to weigh 0.5 g PVP and added to the mixed solution, after ultrasonic stirring, the formed The mother liquor was transferred to a 30 ml reaction kettle; 80 mmol NaOH was weighed and dissolved in 10 ml of water respectively, and then the NaOH solution was added to the reaction kettle respectively, and reacted in an oven at 160 °C for 6 h. After washing, it was transferred to an oven at 60 °C to dry for 6 h to obtain the product.
[0043] Figure 5 It is a scanning electron microscope picture of the product prepared in Example 3 of the present invention. It can be seen from the figure that the shape of the sample is an octahedral structure.
[0044] Figure 6 It is the po...
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