CN106925895A - Based on the micro-machined glassy carbon electrode surface coarsening preparation method of ultra-short pulse laser - Google Patents
Based on the micro-machined glassy carbon electrode surface coarsening preparation method of ultra-short pulse laser Download PDFInfo
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- CN106925895A CN106925895A CN201710157083.9A CN201710157083A CN106925895A CN 106925895 A CN106925895 A CN 106925895A CN 201710157083 A CN201710157083 A CN 201710157083A CN 106925895 A CN106925895 A CN 106925895A
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- carbon electrode
- glassy carbon
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/352—Working by laser beam, e.g. welding, cutting or boring for surface treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/36—Removing material
- B23K26/40—Removing material taking account of the properties of the material involved
- B23K26/402—Removing material taking account of the properties of the material involved involving non-metallic material, e.g. isolators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/60—Preliminary treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Laser Beam Processing (AREA)
- Carbon And Carbon Compounds (AREA)
Abstract
Roughening treatment is carried out to glass carbon surface using different pulse widths, pulse frequency, pulse power and process time based on the micro-machined glassy carbon electrode surface coarsening preparation method of ultra-short pulse laser the present invention relates to one kind.Ultra-short pulse laser is roughened to glassy carbon electrode surface, and its surface can be made to produce micro-nano structure, electrode catalyst efficiency is obtained very big enhancing, and signal to noise ratio is greatly improved.Using picosecond pulse laser to glassy carbon electrode roughening treatment, fuel factor is small, and processing is fine, clean environment firendly, economical and efficient, and application prospect of the glassy carbon electrode after roughened treatment in terms of Electrochemical Detection, redox reaction is more extensive.
Description
Technical field
It is more particularly to a kind of to be based on the micro-machined vitreous carbon of ultra-short pulse laser the present invention relates to a kind of process for treating surface
Electrode surface is roughened preparation method.
Background technology
Glassy carbon electrode has increasingly extensive application in electrochemistry experiment or Electroanalytical Chemistry, for example, use voltammetric measuring
Method determines the content of lead, and the chemically modified electrode of matrix making is made for determining the elements such as silver with glassy carbon electrode.At present to glass
The method that glass carbon electrode activity is improved mainly has ball milling to refine【First technology 1：Xu Shunjian, vitreous carbon ball milling refinement is gone back to catalysis
The influence of former Triiodide ion, power technology, Vol.39, No.9,1820-1823 (2015)】, electrochemical process【First technology 2：Slowly
The Anodic Stripping Voltammetry Determination of Jin Rui, electrochemical process modification glassy carbon electrode and its copper, electrochemistry, Vol.1,209-213】
Deng, however these methods time-consuming, process is numerous and diverse, there is pollution, and this also prevents it from fully meeting industrial needs.
Continuous research with people to laser technology, ultra-short pulse laser is developed rapidly.In the sixties in 20th century
Ruby laser locked mode and nd glass laser locked mode that mid-term grows up so that people proceed by research to picosecond laser.
The ultrashort laser pulse output of subpicosecond in 1976 is achieved.Had based on the micro-machined technology of ultra-short pulse laser various excellent
Gesture, such as ultra-short pulse laser micro Process are " cold working ".Traditional laser processing technology (including nanometer laser) is because of its thermal effect
Should would generally melt greatly rapidoprint.Ultra-short pulse laser is allowed the material to without liquefaction direct gasification.Disappeared by cold
Melt the successively removal that can be realized to glass, metal, ceramics and polymer.Scanning galvanometer to the cutting of composite and drilling not
Can cause any heat affected area, thus the surface that produces and edge quality are higher.Such as (psec is equal to psecSecond)
The local temperature that laser is produced is also higher than sun surface temperature up to 6000 degrees Celsius, is had little time to produce by action material surface
Thermal diffusion is just by direct boiling.Another advantage is to realize " hyperfine " of processing.Ultra-short pulse laser can be by High Power Laser Pulses
Small Working position is highly precisely oriented to, material receives only about 10 nanometers of heat rating diameter.Ultra-short pulse laser can be focused on
To superfine area of space, while have very high peak power and extremely short laser pulse, during processing tangent plane it is neat, without fine fisssure
Line, without material damage, without melt region.At present, there is not the vitreous carbon electricity based on ultra-short pulse laser, particularly picosecond laser also
The technical method of pole surface treatment.
The content of the invention
The present invention be directed to surface treatment quality and environmental requirement problem high, it is proposed that one kind is based on ultra-short pulse laser
Micro-machined glassy carbon electrode surface coarsening preparation method, related method of roughening simple and fast, economical and efficient is pollution-free, makes glass
Glass carbon electrode can meet industrial expansion needs.
The technical scheme is that：One kind is prepared based on the micro-machined glassy carbon electrode surface coarsening of ultra-short pulse laser
Method, picosecond pulse laser outgoing optical registration galvanometer, by vibration mirror reflected back reflection light to the carbon glass on fixed processing platform
Glass carbon electrodes are scanned, and realize the roughening to glassy carbon electrode surface.
It is described based on the micro-machined glassy carbon electrode surface coarsening preparation method of ultra-short pulse laser, specific steps are included such as
Under：
1）First glassy carbon electrode is carried out to be cleaned by ultrasonic five minutes with 95 percent ethanol, it is clear with dynamic pure water again afterwards
Wash five minutes, finally dried up with nitrogen；
2）Power, frequency, the adjustable picosecond pulse laser of umber of pulse are chosen, the emitting light path of picosecond pulse laser is adjusted,
Light path zero deflection is entered in galvanometer, adjust galvanometer focus, focus is located at processing platform surface；
3）Coordinate marking is carried out to processing platform, glassy carbon electrode is accurately placed on processing platform according to coordinate position afterwards；
4）The parameter of picosecond pulse laser is adjusted using software, makes pulse frequency for 100k hertz, dipulse number, power is
1.73 watts, to the scanning of glassy carbon electrode surface FX twice.
The beneficial effects of the present invention are：The present invention is based on the micro-machined glassy carbon electrode surface coarsening of ultra-short pulse laser
Preparation method, using picosecond pulse laser to glassy carbon electrode roughening treatment, fuel factor is small, and processing is fine, clean environment firendly, economical
Efficiently, application prospect of the glassy carbon electrode after roughened treatment in terms of Electrochemical Detection, redox reaction is more extensive.
Brief description of the drawings
Fig. 1 is the schematic device of present invention treatment glassy carbon electrode；
Fig. 2 is detection figure of the present invention by the glassy carbon electrode after picosecond pulse laser processing.
Specific embodiment
Glass carbon surface is carried out at roughening using different pulse widths, pulse frequency, pulse power and process time
Reason.Ultra-short pulse laser is roughened to glassy carbon electrode surface, and its surface can be made to produce micro-nano structure, makes electrode catalyst efficiency
Very big enhancing is obtained, signal to noise ratio is greatly improved.
The schematic device of glassy carbon electrode is processed as shown in Figure 1, and laser emitting optical registration galvanometer, vibration mirror reflected light is straight
Take on the carbon glassy carbon electrode on fixed processing platform, using 1064 nanometers, 20 psecs, power, frequency, umber of pulse are adjustable
Picosecond pulse laser glassy carbon electrode is roughened.Specific glassy carbon electrode surface coarsening preparation method is as follows：
1st, before glassy carbon electrode is processed using picosecond pulse laser, electrode is surpassed with 95 percent ethanol first
Sound is cleaned five minutes, is cleaned five minutes with dynamic pure water again afterwards, is finally dried up with nitrogen；
2nd, the light path of picosecond pulse laser is adjusted, light path zero deflection is entered in galvanometer, adjust focus, focus is located at processing
Platform surface；
3rd, coordinate marking is carried out to processing platform, glassy carbon electrode is accurately placed on processing platform according to coordinate position afterwards；
4th, the parameter of picosecond pulse laser is adjusted using software, makes pulse frequency for 100k hertz, dipulse number, power is
1.73 watts, to the scanning of glassy carbon electrode surface FX twice.
5th, the electrode after treatment is detected, as a result such as Fig. 2.Signal to noise ratio improves 13 times.
Claims (2)
1. it is a kind of to be based on the micro-machined glassy carbon electrode surface coarsening preparation method of ultra-short pulse laser, it is characterised in that psec
Pulse laser outgoing optical registration galvanometer, by vibration mirror reflected back reflection light to the carbon glassy carbon electrode table on fixed processing platform
Face is scanned, and realizes the roughening to glassy carbon electrode surface.
2. the micro-machined glassy carbon electrode surface coarsening preparation method of ultra-short pulse laser is based on according to claim 1, its
It is characterised by, specific steps include as follows：
1）First glassy carbon electrode is carried out to be cleaned by ultrasonic five minutes with 95 percent ethanol, it is clear with dynamic pure water again afterwards
Wash five minutes, finally dried up with nitrogen；
2）Power, frequency, the adjustable picosecond pulse laser of umber of pulse are chosen, the emitting light path of picosecond pulse laser is adjusted,
Light path zero deflection is entered in galvanometer, adjust galvanometer focus, focus is located at processing platform surface；
3）Coordinate marking is carried out to processing platform, glassy carbon electrode is accurately placed on processing platform according to coordinate position afterwards；
4）The parameter of picosecond pulse laser is adjusted using software, makes pulse frequency for 100k hertz, dipulse number, power is
1.73 watts, to the scanning of glassy carbon electrode surface FX twice.
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| CN201710157083.9A CN106925895A (en) | 2017-03-16 | 2017-03-16 | Based on the micro-machined glassy carbon electrode surface coarsening preparation method of ultra-short pulse laser |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107225329A (en) * | 2017-07-10 | 2017-10-03 | 北京工业大学 | A kind of method for improving glass copper facing bonding strength |
| CN108681181A (en) * | 2018-05-18 | 2018-10-19 | 上海大学 | The laser assisted thermal poling device and method of micro- second-order nonlinear polarizability optical element |
| CN111168233A (en) * | 2020-02-14 | 2020-05-19 | 南京理工大学 | Method for inducing periodic structure on surface of optical glass by picosecond laser |
| CN111673285A (en) * | 2020-06-30 | 2020-09-18 | 吉林大学 | Method for forming micro-nano multilayer structure on amorphous carbon surface through nanosecond laser irradiation induction |
| CN114147363A (en) * | 2021-12-07 | 2022-03-08 | 吉林大学 | Laser-induced amorphous carbon surface micro-nano composite structure and peripheral defect repair method |
| CN117564477A (en) * | 2024-01-16 | 2024-02-20 | 深圳市铭镭激光设备有限公司 | Laser roughening device and roughening method for cylindrical workpiece |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107225329A (en) * | 2017-07-10 | 2017-10-03 | 北京工业大学 | A kind of method for improving glass copper facing bonding strength |
| CN108681181A (en) * | 2018-05-18 | 2018-10-19 | 上海大学 | The laser assisted thermal poling device and method of micro- second-order nonlinear polarizability optical element |
| CN111168233A (en) * | 2020-02-14 | 2020-05-19 | 南京理工大学 | Method for inducing periodic structure on surface of optical glass by picosecond laser |
| CN111673285A (en) * | 2020-06-30 | 2020-09-18 | 吉林大学 | Method for forming micro-nano multilayer structure on amorphous carbon surface through nanosecond laser irradiation induction |
| CN114147363A (en) * | 2021-12-07 | 2022-03-08 | 吉林大学 | Laser-induced amorphous carbon surface micro-nano composite structure and peripheral defect repair method |
| CN114147363B (en) * | 2021-12-07 | 2024-03-22 | 吉林大学 | Laser-induced amorphous carbon surface micro-nano composite structure and peripheral defect repairing method |
| CN117564477A (en) * | 2024-01-16 | 2024-02-20 | 深圳市铭镭激光设备有限公司 | Laser roughening device and roughening method for cylindrical workpiece |
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Application publication date: 20170707 |