Fe-N-C multifunctional nano-enzyme
A nano-enzyme and multi-functional technology, applied in the field of nano-enzyme catalysis, can solve problems such as the unsatisfactory catalytic properties of simulated enzymes and limit the development and application of carbon nano-enzyme materials, so as to improve catalytic properties, enrich active sites, and high catalytic performance Effect
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Embodiment 1
[0022] Dissolve 1.3g (16mmol) of 2-methylimidazole in 15mL of methanol, and stir evenly; add 1.2g (4mmol) of zinc nitrate hexahydrate and 0.1g (2.5mmol) of iron acetylacetonate into 30mL of methanol, and stir well; then The two solutions were mixed evenly, stirred for 1 hour, and transferred to a high-pressure reactor, and the reactor was sealed for hydrothermal reaction at 120° C. for 4 hours. After the reaction, cool to room temperature, centrifuge, wash the product with N,N'-dimethylformamide and methanol successively, and dry at 70°C for 10 hours to obtain Fe(acac) 3 @ZIF-8 Composite. The obtained Fe(acac) 3 The @ZIF-8 composite material was placed in a tube furnace, heated to 800°C at 2°C / min in a nitrogen atmosphere, subjected to constant temperature pyrolysis for 3 hours, cooled naturally and ground to obtain Fe-N-C multifunctional nanozyme.
[0023] Gained nanozyme was subjected to scanning electron microscope analysis, transmission electron microscope analysis, X-ra...
Embodiment 2
[0025] Dissolve 0.7g (8mmol) of 2-methylimidazole in 15mL of methanol, and stir evenly; add 0.6g (2mmol) of zinc nitrate hexahydrate and 0.1g (2.5mmol) of iron acetylacetonate into 30mL of methanol, and stir well; then The two solutions were mixed evenly, stirred for 1 hour, and transferred to a high-pressure reactor, and the reactor was sealed for hydrothermal reaction at 130° C. for 2 hours. After the reaction, cool to room temperature, centrifuge, wash the product with N,N'-dimethylformamide and methanol successively, and dry at 70°C for 10 hours to obtain Fe(acac) 3 @ZIF-8 Composite. The obtained Fe(acac) 3 The @ZIF-8 composite material was placed in a tube furnace, heated to 700°C at a rate of 3°C / min in a nitrogen atmosphere, subjected to constant temperature pyrolysis for 5 hours, cooled naturally and ground to obtain Fe-N-C multifunctional nanozyme.
Embodiment 3
[0027] Dissolve 2.0g (24mmol) of 2-methylimidazole in 15mL of methanol, and stir evenly; add 1.8g (6mmol) of zinc nitrate hexahydrate and 0.1g (2.5mmol) of iron acetylacetonate into 30mL of methanol, and stir well; then The two solutions were mixed evenly, stirred for 1 hour, and transferred to a high-pressure reactor, and the reactor was sealed for hydrothermal reaction at 100° C. for 5 hours. After the reaction, cool to room temperature, centrifuge, wash the product with N,N'-dimethylformamide and methanol successively, and dry at 70°C for 10 hours to obtain Fe(acac) 3 @ZIF-8 Composite. The obtained Fe(acac) 3 The @ZIF-8 composite material was placed in a tube furnace, heated to 900°C at a rate of 5°C / min in a nitrogen atmosphere, subjected to constant temperature pyrolysis for 2 hours, cooled naturally and ground to obtain Fe-N-C multifunctional nanozyme.
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