CN109437166A - A kind of preparation method of the carbon fiber of N doping/redox graphene aeroge - Google Patents
A kind of preparation method of the carbon fiber of N doping/redox graphene aeroge Download PDFInfo
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- CN109437166A CN109437166A CN201811619489.5A CN201811619489A CN109437166A CN 109437166 A CN109437166 A CN 109437166A CN 201811619489 A CN201811619489 A CN 201811619489A CN 109437166 A CN109437166 A CN 109437166A
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Abstract
A kind of preparation method of the carbon fiber of N doping/redox graphene aeroge, belong to the preparation technical field of graphene aerogel, it can solve the unstability of three-dimensional porous graphene aerogel self assembling process, the preparation method comprises the following steps: by graphene oxide and carbon fiber, nitrogen source, reducing agent mixing, form uniform dispersion liquid；Then the N doping redox graphene hydrogel of carbon fiber modifying is formed under hydrothermal conditions；It is last freeze-dried, form aeroge.The carbon fiber of N doping prepared by the present invention/redox graphene aeroge, the advantageous property with ultralight density, multistage pore structure, big specific surface area, super-hydrophobicity are a kind of extremely promising organic pollutant processing materials.
Description
Technical field
The invention belongs to the preparation technical fields of graphene aerogel, and in particular to a kind of carbon fiber/reduction of N doping
The preparation method of graphite oxide aerogel.
Background technique
At present for organic pollution problem caused by crude oil leakage etc., research prepare novel with high adsorption rate and suction
The environmental-friendly adsorbent material of attached amount has become a big problem of urgent need to resolve in current global environmental protection.And stone
Black alkene is due to advantages such as hydrophobicity itself, high-specific surface areas, it is considered to be the candidate of the adsorbent material of new type ideal.But graphite
Alkene is also easy to produce irreversible reunion and accumulates again, and to solve this problem, research is found: two-dimensional graphene film is utilized, into one
Step constitutes the network-like graphene of macroscopical threedimensional solid, is referred to as layering three-dimensional structure, especially graphene aerogel
Material is a very promising strategy.Three-dimensional grapheme nano material not only retains intrinsic graphene characteristic；And
Due to the special construction of assembly, comprehensive excellent properties are further obtained.Graphene aerogel is a kind of high-specific surface area, low close
Degree, the material with macropore cellular structure abundant, convenient for the organic liquid diffusion and transmission inside it of high viscosity.It is not
Only there is good adsorption capacity to oil product and oiliness organic solvent, while also having in environmental protection, biomedical, electrochemical field
Potential application.
The reduction process for usually utilizing graphene oxide, carrys out self assembly graphene aerogel material.This method is to utilize oxygen
The solution and gel of the special performance production high concentration of graphite alkene (GO), further synthesize three-dimensional graphene aerogel material
Material.In the initial stage of thermal reduction, the basal plane of graphene oxide is gradually changed into hydrophobic state from hydrophily, the hydrogen bond with water
The Van der Waals force of declines, piece interlayer increases, and creates the graphene film of some viscosity.If interference-free, in solution
Graphene film starts self assembly, by the regular hour, is assembled into stable three-dimensional grapheme structure, and isolate from water phase
Come, form hydrogel, be further dried, forms aeroge.
But three-dimensional porous graphene aerogel is had on molding structure due to the unstability of self assembling process
Very big uncertainty；In addition, the factors such as variation of ice crystal in support or freezing dry process due to no additional materials,
Being easy graphene aerogel, Collapse Deformation, mechanical strength are low, limit its application in practice.
Summary of the invention
The present invention is directed to the unstability of three-dimensional porous graphene aerogel self assembling process, provides a kind of carbon of N doping
Fiber/redox graphene aeroge preparation method prepares processability by addition carbon fiber as backing material
Graphene aerogel good, hydrophobic performance is good, specific surface area is high, ultralight.
The present invention adopts the following technical scheme:
A kind of preparation method of the carbon fiber of N doping/redox graphene aeroge, includes the following steps:
The first step prepares carbon fiber/graphene oxide solution:
The carbon fiber of carbon fiber or functionalization is weighed, is immersed in deionized water, by mechanical stirring, ultrasonication dispersion
Afterwards, graphene oxide powder is added, ultrasonic disperse is uniform, obtains carbon fiber/graphene oxide solution (CF/GO)；
Second step prepares carbon fiber/graphene oxide solution of N doping:
Nitrogen source is weighed, is added in carbon fiber/graphene oxide solution, ultrasonic mixing is uniform, obtains carbon fiber/oxidation of N doping
Graphene suspension (CF/N-GO)；
Third step prepares carbon fiber/redox graphene hydrogel of N doping:
In carbon fiber/graphene oxide suspension of N doping, reducing agent is added, it is after ultrasonic treatment, obtained mixing is molten
Liquid is transferred in ptfe autoclave, is restored under hydrothermal conditions, and reduction temperature is 90 ~ 120 DEG C, and the recovery time is
3 ~ 6h after reduction, forms carbon fiber/redox graphene (CF/N-RGO) hydrogel of three-dimensional N doping, spends
Ionized water cleaning；
4th step prepares carbon fiber/redox graphene aeroge of N doping:
1 ~ 2h will be freezed at the carbon fiber of N doping/- 4 ~ -20 DEG C of redox graphene hydrogel, then in freeze drier
24 ~ 48h of middle freeze-drying, cryogenic temperature are -50 ~ -80 DEG C, obtain carbon fiber/redox graphene (CF/N- of N doping
RGO) aeroge.
The carbon fiber of functionalization described in the first step includes carboxyl-functional carbon fiber or amino functional carbon fiber.
The mass ratio of the carbon fiber and graphene oxide of carbon fiber described in the first step or functionalization is 1:1 ~ 1:5,
The concentration of graphene oxide is 1 ~ 10mg/mL.
Nitrogen source described in second step includes any one or more mixing in guanidine hydrochloride, urea, melamine and ammonia
The mass ratio of object, the nitrogen source and graphene oxide is 1:1 ~ 1:4.
Reducing agent described in third step includes any one in vitamin C, hydrazine hydrate and citric acid, reducing agent and oxidation
The mass ratio of graphene is 1:1 ~ 1:4.
Beneficial effects of the present invention are as follows:
The present invention is by addition carbon fiber as backing material, and all carbon materials of material therefor, it is contour that quality compares cellulose
Molecular material is lighter as the density of skeleton, and the specific surface area of material is bigger, and adsorptivity is stronger；N doping can be to specified characteristic
Material adsorbed by force, reinforce selective adsorption capacity, can also be improved its selective catalysis ability；The graphene prepared
Aeroge processability is good, with hierarchical porous structure, hydrophobic performance is good and reaches ultralight density (5 ~ 10mg/cm3), it is high
Specific surface area (200 ~ 600m2/ g), high absorption capacity (> 200g/g).
Detailed description of the invention
Fig. 1 is CF/N-RGO aeroge pictorial diagram prepared by the embodiment of the present invention 1.
Fig. 2 is the contact angle test change procedure figure of CF/N-RGO aeroge prepared by the embodiment of the present invention 1.
Fig. 3 is nitrogen adsorption-desorption isotherm of CF/N-RGO aeroge prepared by the embodiment of the present invention 1.
Fig. 4 is the adsorption capacity of CF/N-RGO aeroge prepared by the embodiment of the present invention 1.
Specific embodiment
Embodiment 1
1) 10mg carbon fiber (CF is 1:4 with GO mass ratio) is weighed, is dissolved in 20mL deionized water, is borrowed mechanical stirring and disperse carbon
Fiber 10min, ultrasonication machine ultrasound 15min；Graphene oxide (GO) powder of 40mg, concentration 2mg/mL, ultrasound is added
15min forms finely dispersed CF/GO solution.
2) 10mg guanidine hydrochloride is weighed, is added in CF/GO solution, ultrasonic 15min, CF/N-GO suspension is formed.
3) it weighs 20mg vitamin C, is added mixed liquor, after ultrasonic 2min, be transferred to the ptfe autoclave of 50mL
In, 3h is reacted at 90 DEG C, three-dimensional CF/N-RGO hydrogel is formed, after cooling, pours out extra liquid, then use deionization
Washing 3 times.
4) CF/N-RGO hydrogel is placed on -4 DEG C of freezing 2h in refrigerator, then -50 DEG C of freezings are dry in freeze drier
Dry 48h obtains CF/N-RGO aeroge.
As shown in Figure 2, before contact angle test starts, water droplet is on CF/N-RGO aeroge surface, water drop contact therewith
The surface of the aeroge, spherical water droplet rest on surface and no adsorption phenomena, when water droplet leaves the surface CF/N-RGO with syringe needle,
Water droplet still presentation is complete spherical, and excellent super-hydrophobicity is presented in this procedure declaration CF/N-RGO aeroge.
From the figure 3, it may be seen that the specific surface area of the CF/N-RGO aeroge of preparation reaches 329.602m2/g.On the one hand because N mixes
It is miscellaneous, form porous structure more evenly；The introducing of another aspect carbon fiber, except formation slit hole, the stone with lamella between fiber
Black alkene is interlaced, forms the special construction of fiber aspect, the covering of graphene intercalation.
Fig. 4 present CF/N-RGO aeroge to 6 kinds of different organic liquids (methylene chloride, acetone, toluene, tetrachloro-ethylene,
Pump oil and silicone oil) adsorption capacity.It is hydrophobic due to the special pore structure of CF/N-RGO aeroge, big specific surface area and superelevation
Property, it shows to the higher adsorption capacity of different organic liquids, most preferably reaches 206.38g/g in the technique.
Embodiment 2
Carboxyl-functional carbon fiber in the present embodiment prepares bibliography: Zhang, X.; Wu, G., Grafting
Halloysite Nanotubes with Amino or Carboxyl Groups onto Carbon Fiber Surface
for Excellent Interfacial Properties of Silicone Resin Composites. Polymers
2018,10 (10), 1171。
1) 10mg carboxyl-functional carbon fiber (carboxyl-functional carbon fiber is 1:4 with GO mass ratio) is weighed, 20mL is dissolved in
In deionized water, mechanical stirring disperse carbon fibers 10min, ultrasonication machine ultrasound 15min are borrowed；The graphite oxide of 40mg is added
Alkene (GO) powder, concentration 2mg/mL, ultrasonic 15min, forms finely dispersed CF/GO solution.
2) 10mg urea is weighed, is added in CF/GO solution, ultrasonic 15min, CF/N-GO suspension is formed.
3) it weighs 20mg hydrazine hydrate, is added mixed liquor, after ultrasonic 2min, be transferred to the ptfe autoclave of 50mL
In, 3h is reacted at 90 DEG C, three-dimensional CF/N-RGO hydrogel is formed, after cooling, pours out extra liquid, then use deionization
Washing 3 times.
4) CF/N-RGO hydrogel is placed on -10 DEG C of freezing 2h in refrigerator, then -60 DEG C of freezings are dry in freeze drier
Dry 48h obtains CF/N-RGO aeroge.
Embodiment 3
Amino functional carbon fiber in the present embodiment prepares bibliography: Zhang, X.; Wu, G., Grafting
Halloysite Nanotubes with Amino or Carboxyl Groups onto Carbon Fiber Surface
for Excellent Interfacial Properties of Silicone Resin Composites. Polymers
2018,10 (10), 1171。
1) 20mg amino functional carbon fiber (amino functional carbon fiber is 1:2 with GO mass ratio) is weighed, 20mL is dissolved in
In deionized water, mechanical stirring disperse carbon fibers 10min, ultrasonication machine ultrasound 15min are borrowed；The graphite oxide of 40mg is added
Alkene (GO) powder, concentration 2mg/mL, ultrasonic 15min, forms finely dispersed CF/GO solution.
2) ammonia is passed through into CF/GO solution, and ultrasonic 15min forms CF/N-GO suspension.
3) it weighs 20mg citric acid, is added mixed liquor, after ultrasonic 2min, be transferred to the ptfe autoclave of 50mL
In, 3h is reacted at 90 DEG C, three-dimensional CF/N-RGO hydrogel is formed, after cooling, pours out extra liquid, then use deionization
Washing 3 times.
4) CF/N-RGO hydrogel is placed on -20 DEG C of freezing 2h in refrigerator, then -70 DEG C of freezings are dry in freeze drier
Dry 48h obtains CF/N-RGO aeroge.
Claims (5)
1. a kind of carbon fiber of N doping/redox graphene aeroge preparation method, it is characterised in that: including walking as follows
It is rapid:
The first step prepares carbon fiber/graphene oxide solution:
The carbon fiber of carbon fiber or functionalization is weighed, is immersed in deionized water, by mechanical stirring, ultrasonication dispersion
Afterwards, graphene oxide powder is added, ultrasonic disperse is uniform, obtains carbon fiber/graphene oxide solution；
Second step prepares carbon fiber/graphene oxide solution of N doping:
Nitrogen source is weighed, is added in carbon fiber/graphene oxide solution, ultrasonic mixing is uniform, obtains carbon fiber/oxidation of N doping
Graphene suspension；
Third step prepares carbon fiber/redox graphene hydrogel of N doping:
In carbon fiber/graphene oxide suspension of N doping, reducing agent is added, it is after ultrasonic treatment, obtained mixing is molten
Liquid is transferred in ptfe autoclave, is restored under hydrothermal conditions, and reduction temperature is 90 ~ 120 DEG C, and the recovery time is
3-6h after reduction, forms carbon fiber/redox graphene hydrogel of three-dimensional N doping, is cleaned with deionized water；
4th step prepares carbon fiber/redox graphene aeroge of N doping:
The carbon fiber of N doping/redox graphene hydrogel is freezed into 1 ~ 2h at -4 ~ -20 DEG C, is then being freeze-dried
24 ~ 48h is freeze-dried in machine, cryogenic temperature is -50 ~ -80 DEG C, obtains carbon fiber/redox graphene airsetting of N doping
Glue.
2. a kind of carbon fiber of N doping according to claim 1/redox graphene aeroge preparation method,
Be characterized in that: the carbon fiber of functionalization described in the first step includes carboxyl-functional carbon fiber or amino functional carbon fiber
Dimension.
3. a kind of carbon fiber of N doping according to claim 1/redox graphene aeroge preparation method,
Be characterized in that: the mass ratio of the carbon fiber and graphene oxide of carbon fiber described in the first step or functionalization is 1:1 ~ 1:5,
The concentration of graphene oxide is 1 ~ 10mg/mL.
4. a kind of carbon fiber of N doping according to claim 1/redox graphene aeroge preparation method,
Be characterized in that: nitrogen source described in second step includes any one or more mixing in guanidine hydrochloride, urea, melamine and ammonia
The mass ratio of object, the nitrogen source and graphene oxide is 1:1 ~ 1:4.
5. a kind of carbon fiber of N doping according to claim 1/redox graphene aeroge preparation method,
Be characterized in that: reducing agent described in third step includes any one in vitamin C, hydrazine hydrate and citric acid, reducing agent and oxygen
The mass ratio of graphite alkene is 1:1 ~ 1:4.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110201855A (en) * | 2019-05-06 | 2019-09-06 | 太原理工大学 | A method of on carbon aerogels surface, spraying thermoplastic resin prepares high-carbon content composite material |
| CN110217779A (en) * | 2019-06-27 | 2019-09-10 | 中素新科技有限公司 | Carbon nano-tube modification graphene aerogel and its preparation method and application |
| CN116139821A (en) * | 2022-11-21 | 2023-05-23 | 北京化工大学 | High-structured nitrogen-doped reduced graphene oxide aerogel and preparation method thereof |
| CN116575144A (en) * | 2023-07-13 | 2023-08-11 | 烯源科技无锡有限公司 | Preparation method for preparing antibacterial graphene fibers through electrostatic spinning |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102874796A (en) * | 2012-09-17 | 2013-01-16 | 中国科学院山西煤炭化学研究所 | Nitrogen mixed grapheme hydrogel or aerogel and preparation method thereof |
| CN105489397A (en) * | 2016-01-11 | 2016-04-13 | 中南大学 | Preparation method and application of chemically-modified carbon material/graphene/RuO2 ternary composite material |
| CN106653381A (en) * | 2016-12-23 | 2017-05-10 | 安徽江威精密制造有限公司 | Grapheme based aerogel electrode materials doping with improved carbon fibers and preparation method thereof |
-
2018
- 2018-12-28 CN CN201811619489.5A patent/CN109437166A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102874796A (en) * | 2012-09-17 | 2013-01-16 | 中国科学院山西煤炭化学研究所 | Nitrogen mixed grapheme hydrogel or aerogel and preparation method thereof |
| CN105489397A (en) * | 2016-01-11 | 2016-04-13 | 中南大学 | Preparation method and application of chemically-modified carbon material/graphene/RuO2 ternary composite material |
| CN106653381A (en) * | 2016-12-23 | 2017-05-10 | 安徽江威精密制造有限公司 | Grapheme based aerogel electrode materials doping with improved carbon fibers and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 张继成: "石墨烯水凝胶的制备与电化学性能研究", 《中国优秀硕士学位论文全文数据库 工程科技I辑》 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110201855A (en) * | 2019-05-06 | 2019-09-06 | 太原理工大学 | A method of on carbon aerogels surface, spraying thermoplastic resin prepares high-carbon content composite material |
| CN110201855B (en) * | 2019-05-06 | 2021-08-24 | 太原理工大学 | Method for preparing high-carbon-content composite material by spraying thermoplastic resin on surface of carbon aerogel |
| CN110217779A (en) * | 2019-06-27 | 2019-09-10 | 中素新科技有限公司 | Carbon nano-tube modification graphene aerogel and its preparation method and application |
| CN110217779B (en) * | 2019-06-27 | 2021-01-26 | 中素新科技有限公司 | Carbon nanotube modified graphene aerogel and preparation method and application thereof |
| CN116139821A (en) * | 2022-11-21 | 2023-05-23 | 北京化工大学 | High-structured nitrogen-doped reduced graphene oxide aerogel and preparation method thereof |
| CN116575144A (en) * | 2023-07-13 | 2023-08-11 | 烯源科技无锡有限公司 | Preparation method for preparing antibacterial graphene fibers through electrostatic spinning |
| CN116575144B (en) * | 2023-07-13 | 2023-09-26 | 烯源科技无锡有限公司 | Preparation method for preparing antibacterial graphene fibers through electrostatic spinning |
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