Method for preparing WO3 nanosheet through microwave intercalation
A technology of nanosheets and microwaves, applied in nanotechnology, nanotechnology, nanotechnology for materials and surface science, etc., can solve the problems of complex preparation methods and low efficiency, improve sensitivity and stability, and shorten preparation time the effect of time
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Embodiment 1
[0027] Preparation of WO by microwave intercalation 3 Nanosheet method:
[0028] a) Bi prepared by solid phase method 2 W 2 o 9
[0029] Weigh 3g Bi 2 o 3 and 3g WO 3 powder, and the two powders were fully ground in an agate mortar for 4 hours to form a mixture, and the resulting mixture was placed in a muffle furnace, calcined at a high temperature of 600 ° C for 1 hour and naturally cooled to form Bi 2 W 2 o 9 Powder.
[0030] b) Preparation of WO by microwave intercalation method 3 Nanosheets
[0031] Take 3g Bi 2 W 2 o 9 Place in a beaker, add 200mL of 6mol / L HCl and stir evenly, transfer to a microwave oven for 2min and microwave for heating once, repeat the above operation 15 times (add an equal portion of hydrochloric acid each time it is taken out and cool to room temperature), and filter with a vacuum pump Separate, wash with deionized water and ethanol, and dry naturally to obtain a bright yellow powder. Take 1g of bright yellow powder and put it in 2...
Embodiment 2
[0038] Preparation of WO by microwave intercalation 3 Nanosheet method:
[0039] a) Bi prepared by solid phase method 2 W 2 o 9
[0040] Weigh 5g Bi 2 o 3 and 5g WO 3 powder, and the two powders were fully ground in an agate mortar for 4 hours to form a mixture, and the resulting mixture was placed in a muffle furnace, calcined at a high temperature of 800 ° C for 2 hours and naturally cooled to form Bi 2W 2 o 9 Powder.
[0041] b) Preparation of WO by microwave intercalation method 3 Nanosheets
[0042] Take 5g Bi 2 W 2 o 9 Place in a beaker, add 400mL of 6mol / L HCl and stir evenly, transfer to a microwave oven for 2min and microwave for heating once, repeat the above operation 15 times (add an equal portion of hydrochloric acid each time it is taken out and cool to room temperature), and filter with a vacuum pump Separate, wash with deionized water and ethanol, and dry naturally to obtain a bright yellow powder. Take 3g bright yellow powder and place it in 30...
Embodiment 3
[0045] Preparation of WO by microwave intercalation 3 Nanosheet method:
[0046] a) Bi prepared by solid phase method 2 W 2 o 9
[0047] Weigh 10g Bi 2 o 3 and 10g WO 3 powder, and the two powders were fully ground in an agate mortar for 5 hours to form a mixture, and the resulting mixture was placed in a muffle furnace, calcined at a high temperature of 1000 ° C for 3 hours and naturally cooled to form Bi 2 W 2 o 9 Powder.
[0048] b) Preparation of WO by microwave intercalation method 3 Nanosheets
[0049] Take 10g Bi 2 W 2 o 9 Put it in a beaker, add 600mL of 6mol / L HCl and stir evenly, transfer it to a microwave oven for 2 minutes and heat it in a microwave once, repeat the above operation 15 times (add the same amount of hydrochloric acid each time it is taken out and cool it to room temperature), and filter it with a vacuum pump Separate, wash with deionized water and ethanol, and dry naturally to obtain a bright yellow powder. Take 5g bright yellow powde...
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