CN108640104A - A method of inducing superior graphite alkene network structure using femtosecond pulse - Google Patents
A method of inducing superior graphite alkene network structure using femtosecond pulse Download PDFInfo
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- CN108640104A CN108640104A CN201810783438.XA CN201810783438A CN108640104A CN 108640104 A CN108640104 A CN 108640104A CN 201810783438 A CN201810783438 A CN 201810783438A CN 108640104 A CN108640104 A CN 108640104A
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- C01B32/00—Carbon; Compounds thereof
- C01B32/15—Nano-sized carbon materials
- C01B32/158—Carbon nanotubes
- C01B32/168—After-treatment
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- C—CHEMISTRY; METALLURGY
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Abstract
A method of inducing superior graphite alkene network structure using femtosecond pulse, first by MWCNTs, ultrasound obtains the MWCNTs of non-covalent modification in water environment in lauryl sodium sulfate aqueous solution, then it is coated to silicon oxide substrate surface using spin coating proceeding, substrate carried out on warm table to heating remove extra hydrone to obtain induction substrate, finally will induction substrate to carry out laser radiation-induced；The present invention is not necessarily to precise positioning, simple for process, high in machining efficiency, can large-scale use, the connector of obtained superior graphite alkene network structure is smooth.
Description
Technical field
The present invention relates to superior graphite alkene technical field of structures, and in particular to a kind of super using femtosecond pulse induction
The method of graphene network structure.
Background technology
Currently, being carbon nanometer based on new construction (the being named as superior graphite alkene) manufacture that the symmetrical carbon network of honeycomb generates
Tube material realizes structuring, functionalization, the important method of device, and the practical challenge for solving carbon nanotube has emphatically
Meaning is wanted, therefore also becomes the research hotspot in nano-fabrication technique.Utilize chemical vapor deposition, high energy beam irradiation, ultrasonic wave
Vibration interconnection, soldering the methods of make multi-walled carbon nanotube (MWCNTs) interconnect, wherein laser irradiation technique have it is easy to operate,
The features such as not needing precise positioning, contactless induction, has been applied to the connection of nano material and manipulates field.Laser
The energy hole of sweep speed and laser is the key that induction MWCNTs is interconnected into superior graphite alkene network structure, traditional interconnection
Technique usually requires precise positioning, complex process.
Invention content
In order to overcome the disadvantages of the above prior art, it is lured using femtosecond pulse the purpose of the present invention is to provide a kind of
The method for leading superior graphite alkene network structure is not necessarily to precise positioning, simple for process, high in machining efficiency, can large-scale use.
To achieve the goals above, the technical solution adopted by the present invention is：
A method of superior graphite alkene network structure being induced using femtosecond pulse, is included the following steps：
1) non-covalent modification MWCNTs：By MWCNTs, ultrasound obtains water environment in lauryl sodium sulfate SDS aqueous solutions
The MWCNTs of middle non-covalent modification；
2) structure induction substrate：The MWCNTs of non-covalent modification in water environment is coated to by titanium dioxide using the technique of spin coating
Silicon SiO2Then substrate after spin coating is moved to warm table and heats 3-5min at 60 DEG C, removes non-covalent modification by substrate surface
Hydrone in MWCNTs, obtains in SiO2The induction substrate of surface construction；
3) induced with laser：Induced with laser is carried out using Gold Films Irradiated by Femtosecond Laser system, the design parameter of laser is：Pulse width
The femtosecond laser for being 800nm for 1000fs, wavelength uses focal length for the cylindrical mirror of 50mm in focal point, the laser energy of 60-80mW
Amount is with the laser power of 15-25mm/s scanning induction substrate to get to superior graphite alkene structure.
Step 1) the non-covalent modification MWCNTs the specific steps are：The dodecane of compound concentration 1% in beaker
Base sodium sulphate SDS aqueous solution 50mL, weigh 100mg MWCNTs and are transferred in lauryl sodium sulfate SDS aqueous solutions, first use
Groove type ultrasonic wave cleaning machine ultrasound 20 minutes, then uses angie type ultrasonic machine to carry out ultrasound, angie type ultrasonic machine design parameter：Power
60W, ultrasonic time 1 second, 1 second interval time, ultrasonic time 6 hours obtain the MWCNTs of non-covalent modification in water environment.
The concrete technology of the step 2) spin coating is：Using the vacuum extractor of desk-top spin coater by clean titanium dioxide
Silicon SiO2Substrate surface is fixed on spin coater, utilizes the MWCNTs of non-covalent modification in water environment in 500r/min low speed 10s
Pipettor is transferred to SiO2Substrate surface is unscrewed in 800r/min high speeds 15s.
Beneficial effects of the present invention are:The features such as being absorbed using the contactless processing of femtosecond laser, Multi-photon Nonlinear is lured
Superior graphite alkene network structure, the superior graphite alkene net of formation are formed after leading the MWCNTs interconnection of coating on silicon oxide substrates
Network structure is substantially complete, and joint quality is preferable, and without similar welding point, present invention process is simple, can large-scale use and right
Silica substrate is not damaged.
Description of the drawings
Fig. 1 is Gold Films Irradiated by Femtosecond Laser system diagram used in the embodiment of the present invention.
Fig. 2 is the superior graphite alkene network structure and partial enlarged view after 1 gained MWCNTs interconnection of embodiment.
Fig. 3 is the superior graphite alkene network structure after 2 gained MWCNTs interconnection of embodiment.
Fig. 4 is the superior graphite alkene network structure after 3 gained MWCNTs interconnection of embodiment.
Specific implementation mode
Present invention will be further explained below with reference to the attached drawings and examples.
Embodiment 1, a method of inducing superior graphite alkene network structure, including following step using femtosecond pulse
Suddenly：
1) non-covalent modification MWCNTs：The lauryl sodium sulfate SDS aqueous solution 50mL of compound concentration 1% in beaker,
It weighs 100mg MWCNTs to be transferred in lauryl sodium sulfate SDS aqueous solutions, first uses groove type ultrasonic wave cleaning machine ultrasound 20
Minute, then angie type ultrasonic machine is used to carry out ultrasound, angie type ultrasonic machine design parameter：Power 60W, ultrasonic time 1 second, when interval
Between 1 second, ultrasonic time 6 hours obtains the MWCNTs of non-covalent modification in water environment；
2) structure induction substrate：The MWCNTs of non-covalent modification in water environment is deposited to by titanium dioxide using the technique of spin coating
Silicon SiO2Then substrate after spin coating is moved to warm table and heats 3-5min at 60 DEG C, removes non-covalent modification by substrate surface
Hydrone in MWCNTs, obtains in SiO2The induction substrate of surface construction；
3) induced with laser：Induced with laser, Gold Films Irradiated by Femtosecond Laser system are carried out using Gold Films Irradiated by Femtosecond Laser system as shown in Figure 1
System includes the laser illuminator light path controlled by computer and processing laser optical path, processing laser optical path include by pci bus and
The control system of computer connection, control system control the movement of Ufab displacement platforms, the base of carbon nanotube are coated on Ufab displacement platforms
Plate by the induced with laser of object lens, the laser light source of object lens laser by parameters such as control system laser energy, laser scanning speeds,
The design parameter of laser is：Use pulse width for 1000fs, wavelength be 800nm femtosecond laser focal point use focal length for
The cylindrical mirror of 50mm, the laser energy of 80mW is with the laser power scanning induction substrate of 15mm/s to get to superior graphite alkene net
Network structure.
The advantageous effect of the present embodiment：With reference to Fig. 2, the present embodiment obtains MWCNTs under the effect of the laser, forms and connect
Smooth superior graphite alkene network structure, superior graphite alkene network structure are substantially complete.
Embodiment 2：1 step 3) of embodiment is adjusted to：The laser energy of 70mW with the laser power of 25mm/s to be scanned
Induce substrate, other sequence of steps and parameter constant that can obtain the smooth superior graphite alkene network structure of connector, with reference to Fig. 3,
Superior graphite alkene network structure is substantially complete.
Embodiment 3：1 step 3) of embodiment is adjusted to：The laser energy of 60mW with the laser power of 20mm/s to be scanned
Induce substrate, other sequence of steps and parameter constant that can obtain the smooth superior graphite alkene network structure of connector, with reference to Fig. 4,
Superior graphite alkene network structure is substantially complete.
Claims (4)
1. a kind of method inducing superior graphite alkene network structure using femtosecond pulse, which is characterized in that including following step
Suddenly：
1) non-covalent modification MWCNTs：By MWCNTs in lauryl sodium sulfate SDS aqueous solutions ultrasound obtain it is non-in water environment
The MWCNTs of covalent modification；
2) structure induction substrate：The MWCNTs of non-covalent modification in water environment is coated to by silica using the technique of spin coating
SiO2Then substrate after spin coating is moved to warm table and heats 3-5min at 60 DEG C, removes non-covalent modification by substrate surface
Hydrone in MWCNTs, obtains in SiO2The induction substrate of surface construction；
3) induced with laser：Induced with laser is carried out using Gold Films Irradiated by Femtosecond Laser system, the design parameter of laser is：Pulse width is
The femtosecond laser that 1000fs, wavelength are 800nm uses focal length for the cylindrical mirror of 50mm in focal point, the laser energy of 60-80mW
With the laser power of 15-25mm/s scanning induction substrate to get to superior graphite alkene structure.
2. a kind of method inducing superior graphite alkene network structure using femtosecond pulse according to claim 1,
Be characterized in that, the step 1) non-covalent modification MWCNTs the specific steps are：The dodecane of compound concentration 1% in beaker
Base sodium sulphate SDS aqueous solution 50mL, weigh 100mg MWCNTs and are transferred in lauryl sodium sulfate SDS aqueous solutions, first use
Groove type ultrasonic wave cleaning machine ultrasound 20 minutes, then uses angie type ultrasonic machine to carry out ultrasound, angie type ultrasonic machine design parameter：Power
60W, ultrasonic time 1 second, 1 second interval time, ultrasonic time 6 hours obtain the MWCNTs of non-covalent modification in water environment.
3. a kind of method inducing superior graphite alkene network structure using femtosecond pulse according to claim 1,
It is characterized in that, the concrete technology of the step 2) spin coating is：Using the vacuum extractor of desk-top spin coater by clean dioxy
SiClx SiO2Substrate surface is fixed on spin coater, in 500r/min low speed 10s that the MWCNTs of non-covalent modification in water environment is sharp
It is transferred to SiO with pipettor2Substrate surface is unscrewed in 800r/min high speeds 15s.
4. a kind of method inducing superior graphite alkene network structure using femtosecond pulse according to claim 1,
It is characterized in that, includes the following steps：
1) non-covalent modification MWCNTs：The lauryl sodium sulfate SDS aqueous solution 50mL of compound concentration 1%, weigh in beaker
100mg MWCNTs are transferred in lauryl sodium sulfate SDS aqueous solutions, first use groove type ultrasonic wave cleaning machine ultrasound 20 minutes,
Then angie type ultrasonic machine is used to carry out ultrasound, angie type ultrasonic machine design parameter：Power 60W, ultrasonic time 1 second, interval time 1
Second, ultrasonic time 6 hours obtains the MWCNTs of non-covalent modification in water environment；
2) structure induction substrate：The MWCNTs of non-covalent modification in water environment is deposited to by silica using the technique of spin coating
SiO2Then substrate after spin coating is moved to warm table and heats 3-5min at 60 DEG C, removes non-covalent modification by substrate surface
Hydrone in MWCNTs, obtains in SiO2The induction substrate of surface construction；
3) induced with laser：Induced with laser is carried out using Gold Films Irradiated by Femtosecond Laser system, Gold Films Irradiated by Femtosecond Laser system includes by computer
The laser illuminator light path and processing laser optical path of control, processing laser optical path includes the control connected with computer by pci bus
System processed, control system control the movement of Ufab displacement platforms, and substrate the swashing by object lens of carbon nanotube is coated on Ufab displacement platforms
Photoinduction, the laser light source of object lens laser is by control system laser energy, laser scanning speed parameter, the design parameter of laser
For：The cylindrical mirror that the femtosecond laser for using pulse width to be 800nm for 1000fs, wavelength uses focal length as 50mm in focal point,
The laser energy of 80mW is with the laser power of 15mm/s scanning induction substrate to get to superior graphite alkene network structure.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110270755A (en) * | 2019-07-10 | 2019-09-24 | 西安交通大学 | A method of improving multi-wall carbon nano-tube film electric property using femtosecond laser |
| CN110282613A (en) * | 2019-06-18 | 2019-09-27 | 西安交通大学 | A kind of technique that the generation of femtosecond pulse induced multi-wall carbon nano tubes covalently interconnects |
| CN110655065A (en) * | 2019-09-18 | 2020-01-07 | 清华大学 | System for utilize femto second laser pulse sequence reduction oxidation graphite alkene |
| CN112391879A (en) * | 2020-11-17 | 2021-02-23 | 华东师范大学重庆研究院 | Preparation method and device of conductive glass fiber web coated with graphene through laser induction |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140017440A1 (en) * | 2012-07-10 | 2014-01-16 | National Institute Of Advanced Industrial Science And Technology | Structure of graphene oxide, the method of fabrication of the structure, the method of fabricating field-effect transistor using the structure |
| CN104073786A (en) * | 2014-06-11 | 2014-10-01 | 清华大学 | Method for accurately controlling graphene layers |
| CN105036118A (en) * | 2015-06-25 | 2015-11-11 | 武汉大学 | Cu/graphene delamination method based on femtosecond laser technology |
| CN106057644A (en) * | 2016-06-07 | 2016-10-26 | 中国船舶重工集团公司第七二五研究所 | Method for directly writing graphene pattern on nonmetal surface by laser |
| CN106783560A (en) * | 2016-12-27 | 2017-05-31 | 中国科学院微电子研究所 | A kind of Graphene chemical modification method |
| CN106925885A (en) * | 2017-02-17 | 2017-07-07 | 中国船舶重工集团公司第七二五研究所 | A kind of method that laser prepares different graphene pattern strain transducers |
-
2018
- 2018-07-17 CN CN201810783438.XA patent/CN108640104B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140017440A1 (en) * | 2012-07-10 | 2014-01-16 | National Institute Of Advanced Industrial Science And Technology | Structure of graphene oxide, the method of fabrication of the structure, the method of fabricating field-effect transistor using the structure |
| CN104073786A (en) * | 2014-06-11 | 2014-10-01 | 清华大学 | Method for accurately controlling graphene layers |
| CN105036118A (en) * | 2015-06-25 | 2015-11-11 | 武汉大学 | Cu/graphene delamination method based on femtosecond laser technology |
| CN106057644A (en) * | 2016-06-07 | 2016-10-26 | 中国船舶重工集团公司第七二五研究所 | Method for directly writing graphene pattern on nonmetal surface by laser |
| CN106783560A (en) * | 2016-12-27 | 2017-05-31 | 中国科学院微电子研究所 | A kind of Graphene chemical modification method |
| CN106925885A (en) * | 2017-02-17 | 2017-07-07 | 中国船舶重工集团公司第七二五研究所 | A kind of method that laser prepares different graphene pattern strain transducers |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110282613A (en) * | 2019-06-18 | 2019-09-27 | 西安交通大学 | A kind of technique that the generation of femtosecond pulse induced multi-wall carbon nano tubes covalently interconnects |
| CN110270755A (en) * | 2019-07-10 | 2019-09-24 | 西安交通大学 | A method of improving multi-wall carbon nano-tube film electric property using femtosecond laser |
| CN110655065A (en) * | 2019-09-18 | 2020-01-07 | 清华大学 | System for utilize femto second laser pulse sequence reduction oxidation graphite alkene |
| CN112391879A (en) * | 2020-11-17 | 2021-02-23 | 华东师范大学重庆研究院 | Preparation method and device of conductive glass fiber web coated with graphene through laser induction |
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