Method for preparing ZnS mischcrystal photocatalyst
A photocatalyst and solid solution technology, applied in chemical instruments and methods, physical/chemical process catalysts, hydrogen production, etc., can solve the problems of low hydrogen production rate, achieve low cost, high utilization efficiency of visible light, and simple preparation process Effect
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[0008] Specific embodiment 1: The preparation method of ZnS solid solution photocatalyst of this embodiment is realized by the following steps: 1. Add 0.8-2.1mmol of Zn(AC) 2 ·2H 2 O and 0.1~0.7mmol of the third main group compound were added to 20~30mL pyridine and stirred for 1~2h; 2. Add 5.4~32.4mmol of thioacetamide to the mixture prepared in step 1, and then stir for 10~ 30min; 3. Under stirring conditions, add 0.3-4.8 mL of the transition metal salt pyridine solution with a molar concentration of 0.04 mol / L to the mixed solution prepared in step 2; 4. Pour the mixed solution prepared in step 3 into the reactor , React at 120~240℃ for 8~48h, then cool to room temperature, wash with absolute ethanol 3~5 times, and then dry at 50℃ for 0.5~3h to obtain ZnS solid solution photocatalyst; among them, the first step in step one The three main group compounds are InCl 3 ·4H 2 O or GaCl 3 ; The transition metal salt in step three is AgNO 3 Or Cu(AC) 2 ·H 2 O.
[0009] The particle siz...
Example Embodiment
[0010] Embodiment 2: The difference between this embodiment and Embodiment 1 is that the stirring time in step 1 is 1 h. Other steps and parameters are the same as in the first embodiment.
Example Embodiment
[0011] Embodiment 3: The difference between this embodiment and Embodiment 1 is that the stirring time in step 1 is 2 hours. Other steps and parameters are the same as in the first embodiment.
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