CN105217596A - A kind of cobalt-chloride catalyst prepares the preparation method of carbon nanotube - Google Patents
A kind of cobalt-chloride catalyst prepares the preparation method of carbon nanotube Download PDFInfo
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- CN105217596A CN105217596A CN201510649856.6A CN201510649856A CN105217596A CN 105217596 A CN105217596 A CN 105217596A CN 201510649856 A CN201510649856 A CN 201510649856A CN 105217596 A CN105217596 A CN 105217596A
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Abstract
The invention discloses the preparation method that a kind of cobalt-chloride catalyst prepares carbon nanotube, carbon nanotube is for raw material with glucose, trimeric cyanamide and cobalt chloride, through steps such as mixing, drying, roasting, pickling, the nanotube length obtained at 5-30 micron, caliber in 200-300 nanometer, the preparation technology of carbon nanotube disclosed in this invention has simply, safety, low cost, easy handling and the advantage such as controlled.
Description
Technical field
The present invention relates to a kind of chemical reaction method, specifically, be a kind of be catalyzer with cobalt chloride, take glucose as the preparation method that a kind of cobalt-chloride catalyst of raw material prepares carbon nanotube.
Background technology
Carbon nanomaterial is widely used in the various technology field relevant with the energy with mechanical stability due to the Electronic Performance of its excellence.Particularly, carbon nanotube is described as the star's material emerged rapidly, due to its can be regarded as by graphite carbon-coating curling, to have one dimension luminal structure and lumen size be one to hundreds of nanometer advantage not etc., therefore, nanomaterial-filledly can enter can synthesize the nano composite material with novel characteristics in tube chamber as nano-reactor or by other, make it at fuel cell, bioprobe and chemical catalysis aspect are widely used.
Under normal circumstances, the preparation method of carbon nanotube mainly comprises arc discharge method, laser ablation method and chemical Vapor deposition process.Although carbon nanotube prepared by arc discharge method and laser ablation method is very thin, when controlling length and other unnecessary deposition by-products of carbon nanotube, its two kinds of methods have certain limitation.At present, applying maximum technology is chemical Vapor deposition process.Compared to arc discharge method and laser ablation method, chemical Vapor deposition process can be produced and take measurements greatly and grow controlled carbon nanotube.Such as, but for above method, in carbon source use, main use is easy to the micromolecular compound gasified, benzene, acetylene, ethene and Virahol etc.Thus, seek a kind of simple, safety is controlled and method that the is synthesizing carbon nanotubes of low cost is very necessary.
At present, biomass source is extensive, renewable, if biomass material is directly prepared into carbon nanotube and composite nano-catalyst thereof no matter in the synthesis of novel material, or all has great importance in the exploitation etc. of new reaction technique.
In the present patent application, by pyrolysis glucose, trimeric cyanamide and cobalt chloride, achieve one-step synthesis method carbon nanotube (see accompanying drawing 1,2)
Summary of the invention
Owing to there is complex process in current carbon nanotube building-up process, need expensive equipment, the problems such as cost of material is very high, and preparing product is uneven; The object of the invention is the improvement made for the technological deficiency existing for prior art, provide a kind of preparation method of succinct carbon nanotube, the present invention is achieved through the following technical solutions:
The invention discloses a kind of be catalyzer with cobalt chloride, take glucose as the method that carbon nanotube prepared by raw material, the main raw material adopted is glucose, trimeric cyanamide and cobalt chloride, and concrete preparation process is as follows:
1) uniform mixture is ground to form after, glucose, trimeric cyanamide, cobalt chloride and distilled water being mixed, the mass ratio controlling glucose, trimeric cyanamide and cobalt chloride is 1:1:1, the quality of distilled water is 1-2 times of glucose, by said mixture dry 12 hours at 80 degrees celsius, obtain pink solid;
2), by above-mentioned pink solid pulverize and be lastly transferred in high temperature process furnances, in the nitrogen of flowing, be warming up to 700-800 degree Celsius, and maintain 700-800 degree Celsius 4 hours, obtain black solid;
3), above-mentioned black solid material is cooled to room temperature, proceeds in glass beaker, washs 6 hours with the hydrochloric acid soln that HCl mass percent is 10%, the quality controlling hydrochloric acid soln be the 10-20 of black solid doubly;
4), by after above-mentioned solids millipore filtration suction filtration after salt acid elution, be washed till neutrality with distilled water, gained solid matter at 50 c, vacuum drying treatment can obtain carbon nano-tube catalyst in 10 hours.
As improving further, the length of carbon nanotube obtained of the present invention at 5-30 micron, caliber in 200-300 nanometer.
As improving further, glucose of the present invention is 3 grams, trimeric cyanamide is 3 grams, and cobalt chloride is 3 grams; Distilled water is 5 milliliters.
Beneficial effect of the present invention is as follows:
The invention discloses a kind of preparation method of carbon nanotube, carbon nanotube is for raw material with glucose, trimeric cyanamide and cobalt chloride, through steps such as mixing, drying, roasting, pickling, the nanotube length obtained at 5-30 micron, caliber in 200-300 nanometer, the preparation technology of carbon nanotube disclosed in this invention has simply, safety, low cost, easy handling and the advantage such as controlled.
Accompanying drawing explanation
Fig. 1 is the scanning electron microscope (SEM) photograph of the carbon nanotube that the present invention obtains;
Fig. 2 is the transmission electron microscope picture of the carbon nanotube that the present invention obtains.
Embodiment
Fig. 1 is the scanning electron microscope (SEM) photograph of the carbon nanotube that the present invention obtains, in electromicroscopic photograph after amplification 5,000 times, clearly can observe the carbon nanotube product adopted prepared by the present invention, these length of carbon nanotube are at 5-30 micron, evenly, caliber is about 200-300 nanometer in arrangement.
Fig. 2 is the transmission electron microscope picture of the carbon nanotube that the present invention obtains, and in the electromicroscopic photograph after amplification 50,000 times, can clearly observe single-root carbon nano-tube and in-profile thereof.
Below by specific embodiment, technical scheme of the present invention is further described:
Embodiment 1
Grind to form uniform mixture after 3 grams of glucose, 3 grams of trimeric cyanamide, 3 grams of cobalt chloride and 5 ml distilled waters mixing, by said mixture dry 12 hours at 80 degrees celsius, obtain pink solid; Above-mentioned pink solid is pulverized and is lastly transferred in high temperature process furnances, in the nitrogen of flowing, be warming up to 700 degrees Celsius, and maintain 700 degrees Celsius 4 hours, obtain black solid; Above-mentioned black solid material is cooled to room temperature, proceeds in glass beaker, adds the hydrochloric acid soln that 50 milliliters of HCl content are 10% (mass percent), stirs, dissolves 6 hours; After above-mentioned solids millipore filtration suction filtration after salt acid elution, neutrality is washed till with 2000 ml distilled waters, use 50 milliliters of acetone drip washing again, gained solid matter at 50 c, vacuum drying treatment can obtain product (about 1.72 grams) for 10 hours.
Embodiment 2
Grind to form uniform mixture after 3 grams of glucose, 3 grams of trimeric cyanamide, 3 grams of cobalt chloride and 5 ml distilled waters mixing, by said mixture dry 12 hours at 80 degrees celsius, obtain pink solid; Above-mentioned pink solid is pulverized and is lastly transferred in high temperature process furnances, in the nitrogen of flowing, be warming up to 750 degrees Celsius, and maintain 750 degrees Celsius 4 hours, obtain black solid; Above-mentioned black solid material is cooled to room temperature, proceeds in glass beaker, adds the hydrochloric acid soln that 50 milliliters of HCl content are 10% (mass percent), stirs, dissolves 6 hours; After above-mentioned solids millipore filtration suction filtration after salt acid elution, neutrality is washed till with 2000 ml distilled waters, use 50 milliliters of acetone drip washing again, gained solid matter at 50 c, vacuum drying treatment can obtain product (about 1.49 grams) for 10 hours.
Embodiment 3
Grind to form uniform mixture after 3 grams of glucose, 3 grams of trimeric cyanamide, 3 grams of cobalt chloride and 5 ml distilled waters mixing, by said mixture dry 12 hours at 80 degrees celsius, obtain pink solid; Above-mentioned pink solid is pulverized and is lastly transferred in high temperature process furnances, in the nitrogen of flowing, be warming up to 800 degrees Celsius, and maintain 800 degrees Celsius 4 hours, obtain black solid; Above-mentioned black solid material is cooled to room temperature, proceeds in glass beaker, adds the hydrochloric acid soln that 50 milliliters of HCl content are 10% (mass percent), stirs, dissolves 6 hours; After above-mentioned solids millipore filtration suction filtration after salt acid elution, neutrality is washed till with 2000 ml distilled waters, use 50 milliliters of acetone drip washing again, gained solid matter at 50 c, vacuum drying treatment can obtain product (about 1.23 grams) for 10 hours.
What more than exemplify is only the preferred embodiment of the present invention; the present invention is not limited to above embodiment; the oher improvements and changes that those skilled in the art directly derive without departing from the spirit and concept in the present invention or associate, all should think and be included in protection scope of the present invention.
Claims (3)
1. cobalt-chloride catalyst prepares a preparation method for carbon nanotube, it is characterized in that, adopt main raw material to be glucose, trimeric cyanamide and cobalt chloride, concrete preparation process is as follows:
1) uniform mixture is ground to form after, glucose, trimeric cyanamide, cobalt chloride and distilled water being mixed, the mass ratio controlling glucose, trimeric cyanamide and cobalt chloride is 1:1:1, the quality of distilled water is 1-2 times of glucose, by said mixture dry 12 hours at 80 degrees celsius, obtain pink solid;
2), by above-mentioned pink solid pulverize and be lastly transferred in high temperature process furnances, in the nitrogen of flowing, be warming up to 700-800 degree Celsius, and maintain 700-800 degree Celsius 4 hours, obtain black solid;
3), above-mentioned black solid material is cooled to room temperature, proceeds in glass beaker, washs 6 hours with the hydrochloric acid soln that HCl mass percent is 10%, the quality controlling hydrochloric acid soln be the 10-20 of black solid doubly;
4), by after above-mentioned solids millipore filtration suction filtration after salt acid elution, be washed till neutrality with distilled water, gained solid matter at 50 c, vacuum drying treatment can obtain nitrogenous carbon nano-tube catalyst in 10 hours.
2. cobalt-chloride catalyst according to claim 1 prepares the preparation method of carbon nanotube, it is characterized in that, the described cobalt-chloride catalyst obtained prepares length of carbon nanotube at 5-30 micron, caliber in 200-300 nanometer.
3. cobalt-chloride catalyst according to claim 1 and 2 prepares the preparation method of carbon nanotube, it is characterized in that, described glucose is 3 grams, trimeric cyanamide is 3 grams, and cobalt chloride is 3 grams; Distilled water is 5 milliliters.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107381537A (en) * | 2017-08-09 | 2017-11-24 | 新乡学院 | A kind of preparation method of carbon nano-tube |
| CN107673324A (en) * | 2017-11-03 | 2018-02-09 | 桂林电子科技大学 | A kind of preparation method of the CNT of N doping |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104071771A (en) * | 2014-07-16 | 2014-10-01 | 浙江大学 | Preparation method for large-diameter and super-long nano carbon tube |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104071771A (en) * | 2014-07-16 | 2014-10-01 | 浙江大学 | Preparation method for large-diameter and super-long nano carbon tube |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107381537A (en) * | 2017-08-09 | 2017-11-24 | 新乡学院 | A kind of preparation method of carbon nano-tube |
| CN107673324A (en) * | 2017-11-03 | 2018-02-09 | 桂林电子科技大学 | A kind of preparation method of the CNT of N doping |
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Application publication date: 20160106 |