Ag/AgCl loaded sodium nickel phosphate composite photocatalytic material as well as preparation method and application thereof
A technology of composite photocatalysis and sodium nickel phosphate, which is applied in chemical instruments and methods, physical/chemical process catalysts, chemical/physical processes, etc., to achieve good photocatalytic activity, easy to popularize and use, and good stability.
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Embodiment 1
[0043] (1) First, prepare Na by high-temperature solid-phase method 4 Ni 3 P 4 o 15 :
[0044] According to the chemical formula Na 4 Ni 3 P 4 o 15 The stoichiometric ratio of each element in, respectively weighed sodium carbonate Na 2 CO 3 : 0.848 g, nickel oxide NiO: 0.897 g, phosphorus pentoxide P 2 o 5 : 1.136 g, ground and mixed uniformly in an agate mortar; then, pre-calcined in a muffle furnace at 600° C. for 5 hours in an air atmosphere, cooled naturally, and took out the sample. Next, fully mix and grind the samples from the previous step again, calcinate them at 1000°C for 6 hours in an air atmosphere, cool to room temperature, take them out and grind them thoroughly to obtain Na 4 Ni 3 P 4 o 15 Photocatalyst powder.
[0045] (2) Second, prepare Ag / AgCl loaded Na 4 Ni 3 P 4 o 15 Composite photocatalytic materials:
[0046] Take 0.5g of Na 4 Ni 3 P 4 o 15 The particles were added to 30mL of deionized water, sonicated for 10 minutes; then mixed ...
Embodiment 2
[0054] (1) First, prepare Na by high-temperature solid-phase method 4 Ni 3 P 4 o 15 :
[0055] According to the chemical formula Na 4 Ni 3 P 4 o 15 The stoichiometric ratio of each element in , respectively weighed sodium oxide Na 2 O: 0.496 g, basic nickel carbonate NiCO 3 2Ni(OH) 2 4H 2 O: 4.514 g, ammonium dihydrogen phosphate NH 4 h 2 PO 4 : 1.841 g, ground and mixed evenly in an agate mortar; then pre-calcined in a muffle furnace at 550°C for 8 hours in an air atmosphere, cooled naturally, and took out the sample; then, fully mixed and ground the previous sample again , in an air atmosphere, calcined at 950°C for 10 hours, cooled to room temperature, taken out and thoroughly ground to obtain Na 4 Ni 3 P 4 o 15 Photocatalyst powder.
[0056] (2) Second, prepare Ag / AgCl loaded Na 4 Ni 3 P 4 o 15 Composite photocatalytic materials:
[0057] Take 0.5g of Na 4 Ni 3 P 4 o 15 The particles were added to 30mL of deionized water, sonicated for 10 minutes...
Embodiment 3
[0060] (1) First, prepare Na by high-temperature solid-phase method 4 Ni 3 P 4 o 15 :
[0061] According to the chemical formula Na 4 Ni 3 P 4 o 15 The stoichiometric ratio of each element in the formula, respectively weighed sodium bicarbonate NaHCO 3 : 1.344 g, nickel oxide Ni 2 o 3 : 0.992 g, phosphoric acid H 3 PO 4 : 1.568 g, ground and mixed in an agate mortar, pre-calcined in an air atmosphere at 400 ° C for 12 hours in a muffle furnace, cooled naturally, and took out the sample; again fully mixed and ground the aforementioned sample mixture, Calcined at 850°C for 14 hours in an air atmosphere, cooled to room temperature, taken out and thoroughly ground to obtain Na 4 Ni 3 P 4 o 15 Photocatalyst powder.
[0062] (2) Second, prepare Ag / AgCl loaded Na 4 Ni 3 P 4 o 15 Composite photocatalytic materials:
[0063] Take 0.5g of Na 4 Ni 3 P 4 o 15 The particles were added to 30 mL of deionized water, sonicated for 10 minutes, and then mixed with 10 mL ...
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