A kind of p-doped biocl visible light catalyst and preparation method thereof
A visible light and catalyst technology, applied in the direction of catalyst activation/preparation, chemical instruments and methods, physical/chemical process catalysts, etc., can solve the problems of unclear BiOCl, achieve enhanced visible light absorption range, good application prospects, and simple preparation process Effect
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Embodiment 1
[0041] In this embodiment, a method for preparing a P-doped BiOCl visible light catalyst, in parts by weight, comprises the following steps:
[0042] (1) 2.425g of Bi(NO 3 ) 3 ·5H 2 0 was added in 40ml ethylene glycol, fully stirred to obtain a bismuth nitrate suspension; 0.37275g KCl was added to 10ml deionized water, stirred and dissolved to obtain a potassium chloride solution;
[0043] (2) Mix the bismuth nitrate suspension obtained in step (1) with potassium chloride solution, and add NaH 2 PO 2 ·H 2 After O is used as the phosphorus source, adjust the pH of the mixed solution to 3, stir at least 30min to the solution pH value no longer changes, as the reaction solution; wherein, the phosphorus source addition is based on the molar weight of its phosphorus element, Bi(NO 3 ) 3 ·5H 2 O:P=10:1;
[0044] (3) React the reaction solution obtained in step (2) at 180°C for 24 hours. After the time is up, cool it down to room temperature naturally, wash it with water and ...
Embodiment 2
[0047] In this embodiment, a method for preparing a P-doped BiOCl visible light catalyst, in parts by weight, comprises the following steps:
[0048] (1) 2.425g of Bi(NO 3 ) 3 ·5H 2 0 was added in 40ml ethylene glycol, fully stirred to obtain a bismuth nitrate suspension; 0.37275g KCl was added to 10ml deionized water, stirred and dissolved to obtain a potassium chloride solution;
[0049] (2) Mix the bismuth nitrate suspension obtained in step (1) with potassium chloride solution, and add NaH 2 PO 2 ·H 2 After O is used as the phosphorus source, adjust the pH of the mixed solution to 3, stir at least 30min to the solution pH value no longer changes, as the reaction solution; wherein, the phosphorus source addition is based on the molar weight of its phosphorus element, Bi(NO 3 ) 3 ·5H 2 O:P=20:1;
[0050] (3) React the reaction solution obtained in step (2) at 180°C for 24 hours. After the time is up, cool it down to room temperature naturally, wash it with water and ...
Embodiment 3
[0053] In this embodiment, a method for preparing a P-doped BiOCl visible light catalyst, in parts by weight, comprises the following steps:
[0054] (1) 2.425g of Bi(NO 3 ) 3 ·5H 2 0 was added in 40ml ethylene glycol, fully stirred to obtain a bismuth nitrate suspension; 0.37275g KCl was added to 10ml deionized water, stirred and dissolved to obtain a potassium chloride solution;
[0055] (2) Mix the bismuth nitrate suspension obtained in step (1) with potassium chloride solution, and add NaH 2 PO 2 ·H 2 After O is used as the phosphorus source, adjust the pH of the mixed solution to 3, stir at least 30min to the solution pH value no longer changes, as the reaction solution; wherein, the phosphorus source addition is based on the molar weight of its phosphorus element, Bi(NO 3 ) 3 ·5H 2 O:P=8:1;
[0056] (3) React the reaction solution obtained in step (2) at 180°C for 24 hours. After the time is up, cool it down to room temperature naturally, wash it with water and e...
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