Intelligent graphene nano-material with high chiral selectivity as well as preparation and application thereof
A technology of nanomaterials and graphene, which is applied in the field of intelligent graphene nanomaterials and its preparation and application, and can solve problems such as difficult analysis and regeneration of chiral selective agents, application limitations of large-scale or industrialization, and small processing capacity.
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Embodiment 1
[0067] 1. Prepare smart graphene nanomaterials with high chiral selectivity through the following process:
[0068] (1) Preparation of graphene oxide (GO): Add 1g of graphite powder and 1g of NaNO to a 500mL beaker in sequence 3 and 50 mL concentrated H 2 SO 4 , Stir well under the condition of ice-water bath, slowly add 6gKMnO 4 (complete addition within 30min), continue to stir in the ice-water bath for 0.5h, then remove the ice-water bath, put the mixed solution in a 40°C oil bath and continue to react for 1.5h, then slowly add 100mL of deionized water, and heat up to 90°C Continue to react for 0.5h. After the reaction is over, add 100mL of deionized water to the mixture again, and add H 2 o 2 Until no bubbles are generated, the solution turns from brown to golden yellow at this time, the reaction solution is suction filtered while it is hot, the filter cake is washed with dilute HCl and deionized water by centrifugation until the supernatant is neutral, and the product...
Embodiment 2
[0105] Smart graphene nanomaterials with high chiral selectivity were prepared by the following process:
[0106] (1) Preparation of graphene oxide (GO): Add 1g of graphite powder and 1g of NaNO to a 500mL beaker in sequence 3 and 50 mL concentrated H 2 SO 4 , Stir well under the condition of ice-water bath, slowly add 6gKMnO 4 (complete addition within 30min), continue to stir in the ice-water bath for 0.5h, then remove the ice-water bath, put the mixed solution in a 40°C oil bath and continue to react for 1.5h, then slowly add 100mL of deionized water, and heat up to 90°C Continue to react for 0.5h. After the reaction is over, add 100mL of deionized water to the mixture again, and add H 2 o 2 Until no bubbles are generated, the solution turns from brown to golden yellow at this time, the reaction solution is suction filtered while it is hot, the filter cake is washed with dilute HCl and deionized water by centrifugation until the supernatant is neutral, and the product i...
Embodiment 3
[0112] Smart graphene nanomaterials with high chiral selectivity were prepared by the following process:
[0113] (1) Preparation of graphene oxide (GO): Add 1g of graphite powder and 1g of NaNO to a 500mL beaker in sequence 3 and 50 mL concentrated H 2 SO 4 , Stir well under the condition of ice-water bath, slowly add 6gKMnO 4 (complete addition within 30min), continue to stir in the ice-water bath for 0.5h, then remove the ice-water bath, put the mixed solution in a 40°C oil bath and continue to react for 1.5h, then slowly add 100mL of deionized water, and heat up to 90°C Continue to react for 0.5h. After the reaction is over, add 100mL of deionized water to the mixture again, and add H 2 o 2 Until no bubbles are generated, the solution turns from brown to golden yellow at this time, the reaction solution is suction filtered while it is hot, the filter cake is washed with dilute HCl and deionized water by centrifugation until the supernatant is neutral, and the product i...
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