Production method of cobalt-doped two-dimensional photoelectric nano-material photoelectrochemical systox sensor
A two-dimensional nano, photoelectrochemical technology, applied in the direction of material electrochemical variables, material analysis through electromagnetic means, scientific instruments, etc., can solve the problems of low sensitivity of photoelectrochemical sensors, unfavorable practical applications, weakening of photoelectric signals, etc., to achieve Broaden the range of photosensitive wavelengths, increase photocatalytic activity, and save time
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Embodiment 1
[0041] Example 1 Co-TiO 2 / MoS 2 preparation of
[0042] (1) Add 0.6 g of molybdenum disulfide powder and 0.2 mmol of cobalt salt to 3 mL of n-butyllithium solution, and stir for 12 hours under nitrogen protection at 60 °C to obtain the reacted solution;
[0043] (2) Wash the reacted solution in step (1) with a non-polar solvent, and then perform ultrasonic treatment in a water bath at 60 °C. After the treatment, wash the treated solution with a non-polar solvent, and dry it in vacuum to obtain cobalt Intercalated molybdenum disulfide nanomaterials;
[0044] (3) Add 500 mg of cobalt-intercalated molybdenum disulfide nanomaterials prepared in step (2) into 5 mL of tetrabutyl titanate, stir for 1 hour, slowly add 0.5 mL of hydrofluoric acid while stirring, and then Reaction in the reactor at 160°C for 18 hours;
[0045] (4) The reaction product obtained in step (3) was centrifuged and washed three times with ultrapure water and absolute ethanol, and then vacuum-dried at 50 °...
Embodiment 2
[0050] Example 2 Co-TiO 2 / MoS 2 preparation of
[0051] (1) Add 0.6 g of molybdenum disulfide powder and 1.0 mmol of cobalt salt into 5 mL of n-butyllithium solution, and stir for 24 hours under nitrogen protection at 30 °C to obtain the reacted solution;
[0052] (2) Wash the reacted solution in step (1) with a non-polar solvent, and then perform ultrasonic treatment in a water bath at 30 °C. After the treatment, wash the treated solution with a non-polar solvent, and dry it in vacuum to obtain cobalt Intercalated molybdenum disulfide nanomaterials;
[0053] (3) Add 200 mg of cobalt-intercalated molybdenum disulfide nanomaterials prepared in step (2) into 5 mL of tetrabutyl titanate, stir for 1 hour, then slowly add 0.6 mL of hydrofluoric acid while stirring, and then Reaction in the reactor at 180°C for 20 hours;
[0054] (4) The reaction product obtained in step (3) was centrifuged and washed three times with ultrapure water and absolute ethanol, and then vacuum-dried ...
Embodiment 3
[0059] Example 3 Co-TiO 2 / MoS 2 preparation of
[0060] (1) Add 0.6 g of molybdenum disulfide powder and 2.0 mmol of cobalt salt to 10 mL of n-butyllithium solution, and stir for 48 hours under nitrogen protection at 50 °C to obtain the reacted solution;
[0061] (2) Wash the reacted solution in step (1) with a non-polar solvent, and then perform ultrasonic treatment in a water bath at 50 °C. After the treatment, wash the treated solution with a non-polar solvent, and dry it in vacuum to obtain cobalt Intercalated molybdenum disulfide nanomaterials;
[0062] (3) Take 10 mg of cobalt-intercalated molybdenum disulfide nanomaterials prepared in step (2) and add them to 5 mL of tetrabutyl titanate. After stirring for 1 hour, slowly add 0.8 mL of hydrofluoric acid while stirring, and then Reaction in the reactor at 200°C for 24 hours;
[0063] (4) The reaction product obtained in step (3) was centrifuged and washed three times with ultrapure water and absolute ethanol, and the...
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