ZnTi hydrotalcite nanosheet catalyst and application of catalyst in hydrogen preparation by photoactivating and decomposing water
A nanosheet and hydrotalcite technology, which is applied in the field of ZnTi hydrotalcite nanosheet catalyst and its photocatalytic water splitting to produce hydrogen, can solve the problems of low photocatalytic efficiency, achieve excellent semiconductor characteristics, simple synthesis conditions, and easy large-scale industrialization The effect of production
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Embodiment 1
[0017] 1. Configure the microemulsion: based on a 100ml three-necked flask, add 50ml of isopropanol, 1.1ml of deionized water, and 1.08g of the surfactant sodium lauryl sulfate into the three-necked flask, stir; slowly add 1-butanol 2ml, stirring, until the solution is clear;
[0018] 2. Put 0.002mol of Zn(NO 3 ) 2 ·6H 2 Add O to the microemulsion prepared in step 1, after the salt is dissolved, add TiCl in a closed environment 4 0.11ml solution, after the smoke disappears, add 0.900g urea, crystallize at 90℃ and reflux for 24h; TiCl added 4 Solution contains 0.001mol TiCl 4 ;
[0019] 3. After the reaction is completed, the product is filtered by suction, washed 3 times with a mixture solution of deionized water and ethanol with a volume ratio of 1:1, and then washed 3 times with absolute ethanol, and the filter cake is dried in an oven at 60°C for 12 hours to obtain ZnTi hydrotalcite nanosheet catalyst.
[0020] The chemical formula of the ZnTi hydrotalcite nanosheet catalyst prep...
Embodiment 2
[0024] 1. Configure the microemulsion: based on a 100ml three-necked flask, add 50ml of isopropanol, 1.1ml of deionized water, and 0.72g of the surfactant sodium lauryl sulfate into the three-necked flask, stir; slowly add 1-butanol 2ml, stirring, until the solution is clear;
[0025] 2. Put 0.002mol of Zn(NO 3 ) 2 ·6H 2 Add O to the microemulsion prepared in step 1, after the salt is dissolved, add TiCl in a closed environment 4 0.11ml solution, after the smoke disappears, finally add 0.900g of urea, crystallize at 90℃ and reflux for 24h; TiCl added therein 4 Solution contains 0.001mol TiCl 4 ;
[0026] 3. After the reaction is completed, the product is filtered by suction, washed 3 times with a mixture solution of deionized water and ethanol with a volume ratio of 1:1, and then washed 3 times with absolute ethanol, and the filter cake is dried in an oven at 60°C for 12 hours to obtain ZnTi hydrotalcite nanosheet catalyst.
[0027] The chemical formula of the ZnTi hydrotalcite nano...
Embodiment 3
[0031] 1. Configure the microemulsion: based on a 100ml three-necked flask, add 50ml of isopropanol, 1.1ml of deionized water, and 0.36g of surfactant sodium lauryl sulfate into the three-necked flask, stir; slowly add 1-butanol 1.5ml, stir, wait until the solution is clear;
[0032] 2. Put 0.002mol of Zn(NO 3 ) 2 ·6H 2 Add O to the microemulsion prepared in step 1, after the salt is dissolved, add TiCl in a closed environment 4 Solution TiCl 4 0.11ml, after the smoke disappears, finally add 0.900g of urea, crystallize at 90℃ and reflux for 24h; TiCl added therein 4 Solution contains 0.001mol TiCl 4 ;
[0033] 3. After the reaction is completed, the product is filtered by suction, washed 3 times with a mixture solution of deionized water and ethanol with a volume ratio of 1:1, and then washed 3 times with absolute ethanol, and the filter cake is dried in an oven at 60°C for 12 hours to obtain ZnTi hydrotalcite nanosheet catalyst.
[0034] The chemical formula of the ZnTi hydrotalcit...
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