Process for making carbon nanotubes
A carbon nanotube and nanotube technology, applied in the field of preparing carbon nanotubes, can solve the problems of high cost, difficulty in mass production and the like, and achieve the effect of low cost
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Embodiment 1
[0035] In the first step, 1.5 mmol of ferric chloride was dissolved in 30 mL of deionized aqueous solution (0.15 mmol) of methyl orange with a concentration of 5 mmol / l. Then 1.5 mmol (105 ml) of pyrrole monomer was added to the mixed solution, and the mixed solution was stirred at room temperature for 24 hours. The resulting polypyrrole precipitate was washed with deionized water / ethanol several times until the filtrate became a colorless neutral solution, and finally the washed polypyrrole precipitate was dried in a vacuum environment at 60° C. for 24 hours. The polypyrrole nanotube can be obtained by the above steps, and the polypyrrole nanotube is a black powder. For comparison, polypyrrole particles were similarly synthesized following the above procedure, except for the use of methyl orange.
[0036] In the second step, the polypyrrole nanotubes obtained in the first step are further carbonized to obtain carbon nanotubes. The carbonization process was carried out in a ...
Embodiment 2
[0052] In the first step, 1.5 mmol of ammonium persulfate was dissolved in 30 mL of a deionized aqueous solution (0.15 mmol) of methyl red with a concentration of 5 mmol / l. Then 1.35 mmol (105 ml) of pyrrole monomer was added to the mixed solution, and the mixed solution was stirred at 60° C. for 24 hours. The resulting polypyrrole precipitate was washed with deionized water / ethanol several times until the filtrate became a colorless neutral solution, and finally the washed polypyrrole precipitate was dried in a vacuum environment at 60° C. for 24 hours. The polypyrrole nanotube can be obtained by the above steps, and the polypyrrole nanotube is a black powder. For comparison, polypyrrole particles were similarly synthesized following the above procedure, except for the use of methyl red.
[0053] In the second step, the polypyrrole nanotubes obtained in the first step are further carbonized to obtain carbon nanotubes. The carbonization process was carried out in a quartz tu...
Embodiment 3
[0055] In the first step, 1.65 mmol of potassium persulfate was dissolved in 30 mL of deionized aqueous solution (0.15 mmol) of benzene orange at a concentration of 5 mmol / l. Then 1.35 mmol (105 ml) of aniline monomer was added to the mixed solution, and the mixed solution was stirred at 100° C. for 24 hours. The resulting polyaniline precipitate was washed with deionized water / ethanol several times until the filtrate became a colorless neutral solution, and finally the washed polyaniline precipitate was dried in a vacuum environment at 60° C. for 24 hours. The polyaniline nanotube can be obtained through the above steps, and the polyaniline nanotube is a black powder. As a comparison, polyaniline particles were similarly synthesized following the above procedure, except that benzene orange was used.
[0056] In the second step, the polyaniline nanotubes obtained in the first step are further carbonized to obtain carbon nanotubes. The carbonization process was carried out in...
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