Preparation and photocatalytic application of polyacid-based manganese organic hybrid material constructed by silicotungstate
A metal-organic, multi-acid-based manganese technology, applied in organic compound/hydride/coordination complex catalysts, 7/17 group organic compounds without C-metal bonds, organic chemistry, etc., can solve the problem of poor catalytic activity, Difficulty and other problems, to achieve the effect of high efficiency and stable catalytic activity, excellent photocatalytic water splitting hydrogen production performance
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specific Embodiment approach 2
[0029] Specific embodiment two: the present embodiment is a kind of preparation method of polyacid-based manganese metal-organic hybrid material constructed by silicotungstate, which is completed according to the following steps:
[0030]1. Prepare a reaction solution with a pH value of 2.0: dissolve silicotungstic acid, manganese chloride, and 5-(2-pyrazinyl)-1,2,4-triazole organic ligand into deionized water to obtain a reaction solution ; Adjust the pH value of the reaction solution to 2.0 to obtain a reaction solution with a pH value of 2.0;
[0031] The molar ratio of the silicotungstic acid described in step 1 to the metal manganese salt is: 0.1: (0.2~1);
[0032] The molar ratio of silicotungstic acid and 5-(2-pyrazinyl)-1,2,4-triazole organic ligand described in step 1 is: 0.1:(0.2~0.5);
[0033] The volume ratio of the amount of silicotungstic acid described in step 1 to distilled water is: 0.1mmol: (20ml~35ml);
[0034] 2. Add the reaction solution with a pH value ...
specific Embodiment approach 3
[0036] Specific embodiment three: the difference between this embodiment and specific embodiment two is: the metal manganese salt described in step one is manganese chloride, manganese nitrate or manganese acetate. Others are the same as in the second embodiment.
specific Embodiment approach 4
[0037] Embodiment 4: The difference between this embodiment and Embodiments 2 to 3 is that the molar ratio of silicotungstic acid and metal manganese salt described in step 1 is 1:10. Others are the same as the second or third specific embodiment.
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