A kind of preparation method of iron nitrogen doped carbon material
A carbon material and iron-nitrogen technology, applied in the field of preparation of iron-nitrogen co-doped carbon materials, can solve the problems of complex synthesis process and high cost, and achieve the effects of simple synthesis process, low cost and uniform size
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Embodiment 1
[0026] 3.6mL polyethylene glycol octylphenyl ether (TritonX–100) / 3.2mL n-hexanol / 15mL cyclohexane / 1.2mL water, mechanically stirred for half an hour to form a reverse microemulsion system; add 80μL saturated FeCl 3 Aqueous solution, continue stirring for half an hour; then add 0.5mL of pyrrole, stir for half an hour; add 22mL of ethanol and centrifuge, wash and precipitate three times, and dry in an oven at 60°C to obtain a powder; the powder is placed in a vacuum tube furnace and calcined at 900°C under a nitrogen atmosphere After 1h, the iron-nitrogen co-doped carbon material was obtained, and it was characterized by transmission electron microscope (TEM), scanning electron microscope (SEM), electron spectroscopy (EDS), and X-ray diffraction analysis (XRD). The results are as follows: figure 1 , figure 2 , image 3 , Figure 7 shown. Such as figure 1 As shown, the calcined carbon material is composed of spherical carbon with a particle size of 30-50 nm, and there is an ...
Embodiment 2
[0028] 3.6mL polyethylene glycol octylphenyl ether (Triton X–100) / 3.2mL n-hexanol / 15mL cyclohexane / 1.2mL water, mechanically stirred for half an hour to form a reverse microemulsion system; add 40μL saturated FeCl 3 Aqueous solution, continue to stir for half an hour; then add 1mL of pyrrole, stir for half an hour; add 22mL of ethanol to centrifuge, wash and precipitate three times, and dry in an oven at 60°C to obtain a powder; the powder is placed in a vacuum tube furnace and sintered at 900°C for 1h under a nitrogen atmosphere , to obtain iron-nitrogen co-doped mesoporous carbon materials, which were characterized by TEM, SEM, EDS, and XRD. The results are as follows Figure 4 , Figure 5 , Figure 6 , Figure 8 shown. Such as Figure 4 As shown, the calcined carbon material is composed of spherical carbon with a particle size of 30-50nm, and there is an obvious sintered structure between the spherical carbons; as Figure 5 As shown, the surface morphology of the carbo...
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