Polyphenol-mediated prussian blue/quartz nano composite film and preparation method and application thereof
A Prussian blue and nanocomposite technology, applied in the field of Prussian blue/quartz nanocomposite film and its preparation, achieves the effect of simple operation process, good stability and good organic dye degradation performance
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Embodiment 1
[0030] A quartz membrane with a thickness of 0.4 mm was immersed in FeCl with a concentration of 1 mg / mL 3 and 4 mg / mL TA with a volume ratio of 1:1, rinsed in water for 5 min, and dried in an oven at 45°C for 2 min; then immersed the omentum in 1 mg / mL FeCl 3 solution, reacted for 2 min and dried at 45°C, and finally immersed the omentum in 1 mg / mL potassium ferrocyanide solution, rinsed in clean water after reacting for 5 min, and dried in an oven at 45°C to obtain PB / TA-Fe@QF composite membrane.
[0031] The surface morphology characteristics of the prepared PB / TA-Fe@QF composite film and the quartz film before modification were observed by scanning electron microscope (SEM). figure 1 It is the SEM image of the prepared PB / TA-Fe@QF composite film and the quartz film before modification; in the figure, (a) is the quartz film before modification, and (b) is the prepared PB / TA-Fe@QF composite film ;Depend on figure 1 It can be seen that the prepared PB / TA-Fe@QF composite m...
Embodiment 2
[0034] A quartz membrane with a thickness of 0.5 mm was immersed in FeCl with a concentration of 0.5 mg / mL 3 and 2.5 mg / mL TA with a volume ratio of 1:1, rinsed in clean water after 2 min, and dried in an oven at 45 °C for 2 min; then immersed the omentum in 0.5 mg / mL FeCl 3 After reacting for 2 minutes, place it in an oven at 55°C to dry, and finally immerse the omentum in 0.5 mg / mL potassium ferrocyanide solution, react for 5 minutes, then rinse it in clean water, and put it in an oven at 45°C Dry in medium to obtain PB / TA-Fe@QF composite membrane.
Embodiment 3
[0036] A quartz membrane with a thickness of 0.6 mm was immersed in FeCl with a concentration of 1 mg / mL 3 and 3 mg / mL TA with a volume ratio of 1:1, rinsed in clean water after 2 min, and dried in an oven at 45 °C for 2 min; then immersed the omentum in 10 mg / mL FeCl 3 After reacting for 2 minutes, place the omentum in a 45°C oven to dry, and finally immerse the omentum in 10 mg / mL potassium ferrocyanide solution, react for 5 minutes, then rinse it in clean water, and put it in a 45°C oven Dry in medium to obtain PB / TA-Fe@QF composite membrane.
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