Preparation method of CdS/Cd2Ge2O6 hetrojunction photocatalyst in response to visible light
A photocatalyst and visible light technology, applied in the field of environmental pollution control, can solve the problems of low electron-hole separation efficiency, achieve good crystallization, excellent visible light catalytic degradation activity, and reduce production costs
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[0020] Example 1 Cd 2 Ge 2 O 6 Preparation of nanorods
[0021] Synthesis of Cd by solvothermal method 2 Ge 2 O 6 Nanorods, weighing 1 mM GeO 2 And 1 mM Cd(AC) 2 ·2H 2 O was dissolved in 15 mL of a mixed solvent of deionized water and absolute ethanol at a volume ratio of 1:2, and ultrasonically dispersed to obtain a mixed solution; the above mixed solution was transferred to an autoclave and reacted at 160 °C for 14 h. After the reaction is completed, the autoclave is gradually cooled to room temperature, and the sample is taken out, and the product is washed 3 times with ethanol and deionized water, and dried in an oven at 60 °C.
Example Embodiment
[0022] Example 2 Cd 2 Ge 2 O 6 Preparation of nanorods
[0023] Synthesis of Cd by solvothermal method 2 Ge 2 O 6 Nanorods, weigh 2 mM GeO 2 And 2 mM Cd(AC) 2 ·2H 2 O was dissolved in 30 mL of a mixed solvent of deionized water and absolute ethanol at a volume ratio of 1:2, and ultrasonically dispersed to obtain a mixed solution; the above mixed solution was transferred to an autoclave and reacted at 180 °C for 12 h. After the reaction is completed, the autoclave is gradually cooled to room temperature, and the sample is taken out, and the product is washed 3 times with ethanol and deionized water, and dried in an oven at 60 °C.
Example Embodiment
[0024] Example 3 Cd 2 Ge 2 O 6 Preparation of nanorods
[0025] Synthesis of Cd by solvothermal method 2 Ge 2 O 6 Nanorods, weighing 3 mM GeO 2 And 3 mM Cd(AC) 2 ·2H 2 O was dissolved in a mixed solvent of 45 m deionized water and anhydrous ethanol with a volume ratio of 1:2 and ultrasonically dispersed to obtain a mixed solution; the above mixed solution was transferred to an autoclave and reacted at 200 °C for 10 h. After the reaction is completed, the autoclave is gradually cooled to room temperature, and the sample is taken out, and the product is washed 3 times with ethanol and deionized water, and dried in an oven at 60 °C.
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