A kind of preparation method of fiber/graphene/carbon quantum dot/feof flexible electrode material
A technology of carbon quantum dots and flexible electrodes, applied in the field of preparation of flexible electrode materials, can solve the problems of insufficient adhesion between conductive materials and fabrics, difficult to form a conductive network, etc. Effect
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Embodiment 1
[0026] Add the graphene oxide powder into deionized water, and ultrasonicate for 60 minutes to make a graphene oxide suspension with a concentration of 1.5 mg / mL. Cotton fabrics were treated with 1mol / L sodium hydroxide solution at 100°C for 2h, then cleaned with deionized water, and dried in a drying oven at 110°C for 2h. The pretreated cotton fabric was dipped into the prepared graphene oxide suspension, stirred at room temperature for 30 min, then dried in a vacuum oven at 50°C for 2 h, and the dipping-drying process was repeated 20 times. Immerse the cotton cloth / graphene oxide composite fabric in the carbon quantum dot solution with a concentration of 0.03mg / ml, react in the reactor at 120°C for 2h, then take it out and wash it with deionized water for 3 times, and dry it at 100°C for 2h to obtain Cotton / graphene / carbon quantum dot composite.
[0027] The cotton / graphene / carbon quantum dot composite was impregnated with FeF 3 ·3H 2 O and ethanol (mass (g): volume (ml) ...
Embodiment 2
[0032]The graphene oxide powder was added into deionized water, and ultrasonicated for 30 min to prepare a graphene oxide suspension with a concentration of 2 mg / mL. Cotton fabrics were treated with 0.5mol / L sodium bicarbonate solution at 90°C for 3h, then cleaned with deionized water, and dried in a drying oven at 100°C for 2.5h. The pretreated cotton fabric was dipped into the prepared graphene oxide suspension, stirred at room temperature for 20 min, then dried in a vacuum oven at 50°C for 3 h, and the dipping-drying process was repeated 30 times. Immerse the cotton cloth / graphene oxide composite fabric in the carbon quantum dot solution with a concentration of 0.04mg / ml, react in the reactor at 110°C for 3h, then take it out and wash it with deionized water for 3 times, and dry it at 100°C for 2h to obtain Cotton / graphene / carbon quantum dot composite.
[0033] Immersion of cotton / graphene / carbon quantum dot composites into FeF 3 ·3H 2 O and ethanol (mass (g): volume (ml...
Embodiment 3
[0035] The graphene oxide powder was added into deionized water, and ultrasonicated for 30 min to prepare a graphene oxide suspension with a concentration of 3 mg / mL. The polyester fabric was treated with 2mol / L sodium bicarbonate solution at 120°C for 1.5h, then cleaned with deionized water, and dried in an oven at 80°C for 3h. The pretreated polyester was impregnated into the prepared graphene oxide suspension, stirred at room temperature for 50 min, then dried in a vacuum oven at 60°C for 2.5 h, and the dipping-drying process was repeated 40 times. Immerse the polyester fabric / graphene oxide composite fabric in a carbon quantum dot solution with a concentration of 0.06mg / ml, react in a reaction kettle at 120°C for 3h, then take it out and wash it with deionized water for 3 times, and dry it at 100°C for 2h. Obtain polyester / graphene / carbon quantum dot composite material.
[0036] Immersion of polyester fabric / graphene / carbon quantum dot composites into FeF 3 ·3H 2 O and ...
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