Silene-Aurivillius layered structure material Bi4SbO8Cl and synthesis method thereof
A layered structure and microstructure technology, applied in hydrogen/syngas production, chemical instruments and methods, bismuth compounds, etc., can solve the problems of high electron-hole recombination rate, wide band gap, expensive M element, etc.
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Embodiment 1
[0031] SC with high temperature solid phase SB 2 O 4 Further, the photocatalyst Bi is prepared. 4 SBO 8 The process of the Cl is as follows:
[0032] (1) Weigh 2 G SB 2 O 5 Grinding 10 min, then after 950 ° C, 4H high temperature solids to get SB 2 O 4 , X-ray diffraction map figure 2 .
[0033] (2) Putting SB 2 O 4 (0.312 g) and BI 2 O 3 (0.932 g), NH 4 The CL (0.108 g) was taken for 10 min, and the mass furnace was passed through 800 ° C, and the high temperature solid phase was solid.
[0034] (3) The mixture was grinded again through 10 min, and then the final product Bi was obtained by the high temperature solid phase of the muffle furnace and 6 h. 4 SBO 8 CL, its microstructure figure 1 , X-ray diffraction map image 3 . Resulting BI 4 SBO 8 CL's ultraviolet visible light absorption spectrum Figure 4 , Photocatalytic decomposition water hydrogen resistance Figure 5 .
Embodiment 2
[0036] SB SB by hydrothermal method 2 O 4 Further, the photocatalyst Bi is prepared. 4 SBO 8 The process of the Cl is as follows:
[0037] (1) Weigh 0.005 mol SBCL 3 And 0.005 mol of urea was dissolved in 50 ml of water, and pH to 10 was adjusted with ammonia water, and the mixed solution was moved to the reactor, the reaction temperature was 150 ° C, the reaction time was 18 h, and the reaction was completed, and the centrifugation was washed with deionized water. Get SB 2 O 4 , X-ray diffraction map figure 2 .
[0038] (2) Putting SB 2 O 4 (0.312 g) and BI 2 O3 (1.864 g), NH 4 The CL (0.108 g) was taken for 10 min, and the mass furnace was passed through 800 ° C, and the high temperature solid phase was solid.
[0039] (3) The mixture was grinded again through 10 min, and then the final product Bi was obtained by the high temperature solid phase of the muffle furnace and 6 h. 4 SBO 8 CL, its X-ray diffraction map image 3 , Photocatalytic decomposition water hydrogen resistance F...
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