Method for preparing phosphorene-nitrogen doped carbon composite material
A technology of nitrogen-doped carbon and composite materials, which is applied to the preparation/purification of phosphorus compounds and carbon, chemical instruments and methods, etc., and can solve the problem of the synthesis method of phosphorene-nitrogen-doped carbon composite materials, phosphorene oxidation erosion, etc. There is no good treatment method, the specific surface area of phosphorene material is small, etc., to achieve the effect of good conductivity, good conductivity and good product quality
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[0018] The method for preparing the phosphorene-nitrogen-doped carbon composite material provided by the present invention is described in detail below.
[0019] A method for preparing phosphorene-nitrogen-doped carbon composite material, comprising the following steps:
[0020] Step A, putting phosphorene and nitrogen-containing organic matter together in the solution and uniformly mixing, the amount of phosphorene accounting for 5%-95% of the total mass of phosphorene and nitrogen-containing organic matter, so as to obtain a uniformly dispersed concentration of 0.1-100g / L suspension. Wherein, the nitrogen-containing organic matter is aniline, pyrrole, melamine, diethylamine, trimethylamine, triethylamine, urea, pyridine, pyrimidine, benzamide, p-aminobenzaldehyde, o-aminobenzaldehyde, m-aminobenzaldehyde at least one of the Described solution is water, methanol, ethanol, propanol, acetone, THF, carbon tetrachloride, acetonitrile, ether, sherwood oil, pentane, hexane, carbo...
Embodiment 1
[0026] A method for preparing phosphorene-nitrogen-doped carbon composite material, comprising the following steps:
[0027] In step a1, 1 g of phosphorene and 9 g of aniline were placed in water and mixed uniformly to obtain a uniformly dispersed suspension with a concentration of 0.15 g / L.
[0028] Step b1, adding 0.08g of ferric chloride to the suspension, and reacting for 0.2h, then performing solid-liquid separation on the reaction product, and vacuum-drying the solid obtained by solid-liquid separation at 40°C to constant weight, thereby obtaining a composite precursors.
[0029] Step c1, placing the composite precursor in a high-temperature furnace filled with nitrogen for calcination, the calcination temperature is 1100°C, the holding time is 2h, and then the temperature is naturally cooled to room temperature, thereby preparing the phosphorene-nitrogen-doped carbon composite Material.
[0030] Specifically, the specific surface area of common phosphorene materials...
Embodiment 2
[0032] A method for preparing phosphorene-nitrogen-doped carbon composite material, comprising the following steps:
[0033] In step a2, 12.5 g of phosphorene and 9 g of pyrrole were placed together in a mixture of methanol and ethanol and mixed uniformly to obtain a uniformly dispersed suspension with a concentration of 5 g / L.
[0034] Step b2, adding 6.1 g of ammonium persulfate to the suspension, and reacting for 10 h, then performing solid-liquid separation on the reaction product, and vacuum-drying the solid obtained by the solid-liquid separation at 60° C. to constant weight, thereby obtaining a complex Precursor.
[0035] Step c2, placing the composite precursor in a high-temperature furnace filled with argon for calcination, the calcination temperature is 900°C, the holding time is 15h, and then the temperature is naturally cooled to room temperature, thereby preparing phosphorene-nitrogen-doped carbon composite material.
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