Preparation method and use method of CuS modified immobilized TiO2 nanoribbon photocatalyst
A photocatalyst and nanobelt technology, applied in the direction of physical/chemical process catalysts, chemical instruments and methods, chemical/physical processes, etc., to achieve the effects of improving utilization, recycling, and improving contact
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[0027] Example 1
[0028] A CuS-modified immobilized TiO 2 The preparation method of nanobelt photocatalyst is characterized in that it specifically includes the following steps:
[0029] (1) Pretreatment of the titanium sheet: First, cut the titanium sheet with a thickness of 0.5mm into a size of 90mm×40mm, and then clean with 150W ultrasonic cleaning for 10 minutes in ethanol and acetone with a purity of 99.5%, and Pickling for 30s, the mass ratio of pickling is HF:HNO 3 : H 2 O=1:4:5 composition, finally, rinse with deionized water, and dry at 105°C in air for 1 hour for later use;
[0030] (2) Immobilized TiO 2 Nanobelt preparation: electrochemical anodic oxidation treatment on the titanium sheet, the titanium sheet as the anode, the platinum sheet as the cathode, the electrolyte is ethylene glycol, and the electrolyte contains 5 vol% water and 0.5 wt% ammonium fluoride. The voltage is 60 constant voltage, the temperature is 25℃, the electrode spacing is 2cm, and the anodization...
Example Embodiment
[0033] Example 2
[0034] A CuS-modified immobilized TiO 2 The preparation method of nanobelt photocatalyst is characterized in that it specifically includes the following steps:
[0035] (1) Pretreatment of the titanium sheet: First, cut the titanium sheet with a thickness of 0.5mm into a size of 90mm×40mm, and then clean with 150W ultrasonic cleaning for 10 minutes in ethanol and acetone with a purity of 99.5%, and Pickling for 30s, the mass ratio of pickling is HF:HNO 3 : H 2 O=1:4:5 composition, finally, rinse with deionized water, and dry at 105°C in air for 1 hour for later use;
[0036] (2) Immobilized TiO 2 Nanobelt preparation: electrochemical anodic oxidation treatment on the titanium sheet, the titanium sheet as the anode, the platinum sheet as the cathode, the electrolyte is ethylene glycol, and the electrolyte contains 5 vol% water and 0.5 wt% ammonium fluoride. The voltage is 70V constant voltage, the temperature is 25℃, the electrode spacing is 2cm, and the anodizatio...
Example Embodiment
[0039] Example 3
[0040] A CuS-modified immobilized TiO 2 The preparation method of nanobelt photocatalyst is characterized in that it specifically includes the following steps:
[0041] (1) Pretreatment of the titanium sheet: First, cut the titanium sheet with a thickness of 0.5mm into a size of 90mm×40mm, and then clean with 150W ultrasonic cleaning for 10 minutes in ethanol and acetone with a purity of 99.5%, and Pickling for 30s, the mass ratio of pickling is HF:HNO 3 : H 2 O=1:4:5 composition, finally, rinse with deionized water, and dry at 105°C in air for 1 hour for later use;
[0042] (2) Immobilized TiO 2 Nanobelt preparation: electrochemical anodic oxidation treatment on the titanium sheet, the titanium sheet as the anode, the platinum sheet as the cathode, the electrolyte is ethylene glycol, and the electrolyte contains 5 vol% water and 0.5 wt% ammonium fluoride. The voltage is 80V constant voltage, the temperature is 25℃, the electrode spacing is 2cm, and the anodizatio...
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