CN105098576A - Application of Cu2MoS4 two-dimensional crystal and saturable absorber device comprising same - Google Patents
Application of Cu2MoS4 two-dimensional crystal and saturable absorber device comprising same Download PDFInfo
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- CN105098576A CN105098576A CN201510535751.8A CN201510535751A CN105098576A CN 105098576 A CN105098576 A CN 105098576A CN 201510535751 A CN201510535751 A CN 201510535751A CN 105098576 A CN105098576 A CN 105098576A
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- absorbing body
- dimensional crystal
- mos
- saturated absorbing
- saturable absorber
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- 239000013078 crystal Substances 0.000 title claims abstract description 34
- 239000006096 absorbing agent Substances 0.000 title abstract 8
- 229920006395 saturated elastomer Polymers 0.000 claims abstract description 53
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 27
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical group ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 claims description 20
- 239000003381 stabilizer Substances 0.000 claims description 7
- 239000011159 matrix material Substances 0.000 claims description 6
- 238000002360 preparation method Methods 0.000 claims description 6
- 229920000620 organic polymer Polymers 0.000 claims description 5
- 239000003960 organic solvent Substances 0.000 claims description 5
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 5
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 5
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 4
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 4
- 238000010521 absorption reaction Methods 0.000 abstract description 15
- 239000000463 material Substances 0.000 abstract description 6
- 239000000835 fiber Substances 0.000 abstract description 2
- 239000000758 substrate Substances 0.000 abstract 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 10
- 239000000843 powder Substances 0.000 description 10
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 9
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
- 239000008367 deionised water Substances 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 229910021389 graphene Inorganic materials 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 229910021641 deionized water Inorganic materials 0.000 description 6
- 239000007788 liquid Substances 0.000 description 6
- 238000001035 drying Methods 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 238000010926 purge Methods 0.000 description 3
- 239000002109 single walled nanotube Substances 0.000 description 3
- 235000010378 sodium ascorbate Nutrition 0.000 description 3
- PPASLZSBLFJQEF-RKJRWTFHSA-M sodium ascorbate Substances [Na+].OC[C@@H](O)[C@H]1OC(=O)C(O)=C1[O-] PPASLZSBLFJQEF-RKJRWTFHSA-M 0.000 description 3
- 229960005055 sodium ascorbate Drugs 0.000 description 3
- PPASLZSBLFJQEF-RXSVEWSESA-M sodium-L-ascorbate Chemical compound [Na+].OC[C@H](O)[C@H]1OC(=O)C(O)=C1[O-] PPASLZSBLFJQEF-RXSVEWSESA-M 0.000 description 3
- 239000006228 supernatant Substances 0.000 description 3
- YUKQRDCYNOVPGJ-UHFFFAOYSA-N thioacetamide Chemical compound CC(N)=S YUKQRDCYNOVPGJ-UHFFFAOYSA-N 0.000 description 3
- DLFVBJFMPXGRIB-UHFFFAOYSA-N thioacetamide Natural products CC(N)=O DLFVBJFMPXGRIB-UHFFFAOYSA-N 0.000 description 3
- 238000004090 dissolution Methods 0.000 description 2
- 239000000975 dye Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 206010013786 Dry skin Diseases 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000011203 carbon fibre reinforced carbon Substances 0.000 description 1
- 239000002041 carbon nanotube Substances 0.000 description 1
- 229910021393 carbon nanotube Inorganic materials 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000006735 deficit Effects 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000005357 flat glass Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
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- Optical Record Carriers And Manufacture Thereof (AREA)
- Lasers (AREA)
Abstract
The invention discloses an application of a Cu2MoS4 two-dimensional crystal and a saturable absorber device comprising the same. The saturable absorber device comprises a two-dimensional crystal packaged in a transparent container and used as a saturable absorber, and a substrate bearing the saturable absorber. The saturable absorber is a Cu2MoS4 two-dimensional layered crystal. A new material system with an excellent saturated absorption characteristic is discovered, and provides more opportunities for development of new saturable absorbers. The saturable absorber device has the advantages of being low in cost, being prepared in a large scale, having a small volume, and being capable of forming various types of mode locking devices, and can be applied to fields like pulse fiber lasers and so on.
Description
Technical field
The present invention relates to nonlinear optical material and device, particularly relate to a kind of Cu
2moS
4the purposes of two dimensional crystal and the saturated absorbing body device of formation thereof, can be used for the locked mode of fiber laser, adjust Q, laser beam shaping etc.
Background technology
Pulse laser is just playing a part more and more important in the fields such as laser manufacture processing industry, scientific research.Along with the development adjusting Q and mode-locking technique and gain medium, can obtain pulse and export from the laser system of many different wave lengths.Produce pulse to mainly contain initiatively and passive two kinds of modes, initiatively modulation needs additional modulator (acousto-optic/electrooptic modulator) in laser cavity to realize, and both adds system cost, and also reduces system portable; And passive modulation is without the need to any external devices, thus becomes current main flow gradually and select and developing direction.Current most of commercialization pulse laser is all adopt passive mode to realize, two kinds of wherein the most frequently used passive modulation modes adjust Q and mode-locking technique, its key adds saturated absorbing body in chamber, play the effect of amplitude automodulation, namely when input light intensity is larger, the absorption of saturated absorbing body is less, is conducive to suppressing continuous wave to realize pulse and exports.
Saturated absorbing body common at present comprises dyestuff, semiconductor saturated absorption mirror and carbon nano-tube emerging recently and Graphene etc.Dyestuff saturated absorbing body, because the self-recovery time is at nanosecond order, can only produce the pulse of nanosecond order, and its stability is also a larger inferior position; Semiconductor saturated absorption mirror is through the development of many decades, technology relative maturity, stable output, but its light injury threshold is low, application band is narrow, recovery time long (about a few nanosecond), complex structure, preparation condition requires high, and can only apply in specific linear topology chamber, greatly limit it and further develops.Single Walled Carbon Nanotube has excellent saturated absorption response near infrared band, but itself be a kind of anisotropic material, during preparation, the direction of growth, diameter, length, chirality etc. are difficult to select and control, and the factors such as the optical absorption characteristics of Single Walled Carbon Nanotube and carbon pipe diameter, chirality are relevant, bring a difficult problem therefore will to the accurate control of locked mode; The bunchy and Single Walled Carbon Nanotube is easily tangled, brings higher linear impairments.The two-dimensional material such as Graphene are subject to pursuing of researcher as saturated absorbing body in recent years, and its basic ideas are that monatomic thick graphene film is dispersed in transparent polymer or is transferred directly to optical fiber head section as saturated absorbing body.But the characteristic of Graphene saturated absorbing body depends on the dirac band structure of monatomic thick Graphene uniqueness, along with the increase of the atom number of plies, the change of properties such as carrier mobility sharply declines, band structure and optical absorption characteristics are comparatively large, polyatom layer graphene is applied and is restricted.At present, cheapness, the efficiently preparation of monoatomic layer Graphene remain a difficult problem urgently to be resolved hurrily at present.
Summary of the invention
The object of this invention is to provide a kind of Cu
2moS
4the purposes of two dimensional crystal and the saturated absorbing body device of formation thereof, this device has the advantages that structure is simple, cost is low, and have found a kind of material system with excellent saturated absorption characteristic completely newly, for development of new saturated absorbing body provides larger space.
Technical scheme of the present invention is:
One, a kind of Cu
2moS
4the purposes of two dimensional crystal: described Cu
2moS
4two dimensional crystal is for the preparation of the purposes of saturated absorbing body.
Two, a kind of based on Cu
2moS
4the saturated absorbing body device of two dimensional crystal: comprise the matrix be encapsulated in as the two dimensional crystal of saturated absorbing body and this saturated absorbing body of carrying in transparent vessel, the described two dimensional crystal as saturated absorbing body is Cu
2moS
4two-dimensional layer crystal.
Described matrix is organic solvent or organic polymer.
Described organic polymer is polyvinyl alcohol or polymethyl methacrylate.
Described organic solvent is chloroform, and chloroform includes 0.3-1% ethanol as stabilizer.
Three, a kind of based on Cu
2moS
4the purposes of the saturated absorbing body device of two dimensional crystal:
Described saturated absorbing body device application is in fields such as pulse lasers.
The invention has the beneficial effects as follows:
(1) Cu used in the present invention
2moS
4two dimensional crystal can use solvent-thermal method to prepare on a large scale, at an easy rate, compares to prepare Graphene with CVD method conventional complicated at present and effectively reduce cost.
(2) the present invention have found a kind of material system with excellent saturated absorption characteristic completely newly, for development of new saturated absorbing body provides larger space.
Accompanying drawing explanation
Fig. 1 be embodiment 1 correspondence based on Cu
2moS
4the saturated absorbing body Z scanning curve of two dimensional crystal.
Fig. 2 be embodiment 2 correspondence based on Cu
2moS
4the saturated absorbing body Z scanning curve of two dimensional crystal.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described.
The present invention is based on Cu
2moS
4the saturated absorbing body device of two dimensional crystal, comprise the matrix be encapsulated in as the two dimensional crystal of saturated absorbing body and this saturated absorbing body of carrying in transparent vessel, the two dimensional crystal of saturated absorbing body is Cu
2moS
4two-dimensional layer crystal, matrix can adopt organic solvent or organic polymer.
Specific embodiments of the invention are as follows:
Embodiment 1
The present embodiment illustrates how to use chloroform as dispersant, preparation Cu
2moS
4two dimensional crystal organic dispersions is as the method for saturated absorbing body.
(1) 0.171gCuCl is got
22H
2o and 3.333gPVP is dissolved in 100mL deionized water, stir, in succession instill NaOH solution that 10mL concentration is 2mol/L and 10mL concentration is the sodium ascorbate solution of 0.6mol/L, muddy yellow liquid is obtained after 1 hour, the centrifugal 5min of 6500rpm, ethanol and washed with de-ionized water 3 times, obtain Cu in 5 hours in 60 DEG C of vacuumizes
2o powder.
(2) 30mgNa is got
2moO
42H
2o and 60mg thioacetamide is dissolved in 20mL ethylene glycol, adds the Cu obtained in 20mg (1)
2o powder, and move into 50mL reactor after water bath sonicator 5min, in 195 DEG C of insulations 12 hours.Remove supernatant liquid, deionized water and ethanol purge 3 times, final sample is scattered in 5mL chloroform (containing 0.3-1% ethanol as stabilizer).
(3) by Cu that (2) obtain
2moS
4chloroformic solution is loaded in the cuvette of the transparent sealing with optics evenness and uses as saturated absorbing body device.Utilize femtosecond laser (130fs, 800nm, 1KHz), study its saturated absorption characteristic by perforate Z scanning technique, its result, as Fig. 1, can be observed obvious saturated absorption characteristic.
Embodiment 2
The present embodiment illustrates how to prepare the Cu be carried in polymer polyethylene alcohol (PVA)
2moS
4the saturated absorbing body of two dimensional crystal.
(1) 0.171gCuCl is got
22H
2o and 3.333gPVP is dissolved in 100mL deionized water, stir, in succession instill NaOH solution that 10mL concentration is 2mol/L and 10mL concentration is the sodium ascorbate solution of 0.6mol/L, muddy yellow liquid is obtained after 1 hour, the centrifugal 5min of 6500rpm, ethanol and washed with de-ionized water 3 times, obtain Cu in 5 hours in 60 DEG C of vacuumizes
2o powder.
(2) 30mgNa is got
2moO
42H
2o and 60mg thioacetamide is dissolved in 20mL ethylene glycol, adds the Cu obtained in 20mg (1)
2o powder, and move into 50mL reactor after water bath sonicator 5min, in 195 DEG C of insulations 12 hours.Remove supernatant liquid, deionized water and ethanol purge 3 times, final sample is scattered in 5mL chloroform (containing 0.3-1% ethanol as stabilizer).
(3) using 0.3gPVA powder dispersion in 5mL chloroform (containing 0.3-1% ethanol as stabilizer), stir 2h, make powder dissolution.
(4) by 5mLPVA chloroformic solution and 5mLCu
2moS
4chloroformic solution mixes, and pours in smooth surface even curface ware, and level is put in the dry PVA film obtaining smooth drying for two days in drying box.
(5) choose the uniform part of wherein thickness to use as saturated absorbing body device.Utilize femtosecond laser (130fs, 800nm, 1KHz), study its saturated absorption characteristic by perforate Z scanning technique, its result, as Fig. 2, can be observed obvious saturated absorption characteristic.
Embodiment 3
The present embodiment illustrates how to prepare the Cu be carried in polymer poly methyl methacrylate (PMMA)
2moS
4the saturated absorbing body of two dimensional crystal.
(1) 0.171gCuCl is got
22H
2o and 3.333gPVP is dissolved in 100mL deionized water, stir, in succession instill NaOH solution that 10mL concentration is 2mol/L and 10mL concentration is the sodium ascorbate solution of 0.6mol/L, muddy yellow liquid is obtained after 1 hour, the centrifugal 5min of 6500rpm, ethanol and washed with de-ionized water 3 times, obtain Cu in 5 hours in 60 DEG C of vacuumizes
2o powder.
(2) 30mgNa is got
2moO
42H
2o and 60mg thioacetamide is dissolved in 20mL ethylene glycol, adds the Cu obtained in 20mg (1)
2o powder, and move into 50mL reactor after water bath sonicator 5min, in 195 DEG C of insulations 12 hours.Remove supernatant liquid, deionized water and ethanol purge 3 times, final sample is scattered in 5mL chloroform (containing 0.3-1% ethanol as stabilizer).
(3) using 0.3gPMMA powder dispersion in 5ml chloroform (containing 0.3-1% ethanol as stabilizer), stir 2h, make powder dissolution, then with (2) gained Cu
2moS
4chloroformic solution mixes.
(3) with the rotating speed of 1000rpm by (3) gained solution multiple spin coating at thickness be about 0.2mm sheet glass on, and its level is placed in drying box in 90 DEG C of 0.5MPa dryings 24 hours, solvent is volatilized completely, namely obtains the PMMA film of smooth drying.
(4) choose the uniform part of wherein thickness to use as saturated absorbing body device.Utilize femtosecond laser (130fs, 800nm, 1KHz), study its saturated absorption characteristic by perforate Z scanning technique, can be observed obvious saturated absorption characteristic equally.
Above-mentioned specific embodiment is used for explaining and the present invention is described, instead of limits the invention, and in the protection range of spirit of the present invention and claim, any amendment make the present invention and change, all fall into protection scope of the present invention.
Claims (6)
1. a Cu
2moS
4the purposes of two dimensional crystal, is characterized in that: described Cu
2moS
4two dimensional crystal is for the preparation of the purposes of saturated absorbing body.
2. one kind based on Cu
2moS
4the saturated absorbing body device of two dimensional crystal, is characterized in that: comprise the matrix be encapsulated in as the two dimensional crystal of saturated absorbing body and this saturated absorbing body of carrying in transparent vessel, the described two dimensional crystal as saturated absorbing body is Cu
2moS
4two-dimensional layer crystal.
3. one according to claim 2 is based on Cu
2moS
4the saturated absorbing body device of two dimensional crystal, is characterized in that: described matrix is organic solvent or organic polymer.
4. one according to claim 3 is based on Cu
2moS
4the saturated absorbing body device of two dimensional crystal, is characterized in that: described organic polymer is polyvinyl alcohol or polymethyl methacrylate.
5. one according to claim 3 is based on Cu
2moS
4the saturated absorbing body device of two dimensional crystal, is characterized in that: described organic solvent is chloroform, and chloroform includes 0.3-1% ethanol as stabilizer.
6. one according to claim 2 is based on Cu
2moS
4the purposes of the saturated absorbing body device of two dimensional crystal, is characterized in that: described saturated absorbing body device application is in fields such as pulse lasers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510535751.8A CN105098576B (en) | 2015-08-27 | 2015-08-27 | Cu2MoS4The purposes of two dimensional crystal and its saturated absorbing body device of composition |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510535751.8A CN105098576B (en) | 2015-08-27 | 2015-08-27 | Cu2MoS4The purposes of two dimensional crystal and its saturated absorbing body device of composition |
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| Publication Number | Publication Date |
|---|---|
| CN105098576A true CN105098576A (en) | 2015-11-25 |
| CN105098576B CN105098576B (en) | 2018-05-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510535751.8A Expired - Fee Related CN105098576B (en) | 2015-08-27 | 2015-08-27 | Cu2MoS4The purposes of two dimensional crystal and its saturated absorbing body device of composition |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105597786A (en) * | 2016-01-25 | 2016-05-25 | 温州大学 | Preparation method of zigzag Cu2MoS4 nanosheet and application in electrocatalysis and photocatalysis |
| CN106830080A (en) * | 2016-12-13 | 2017-06-13 | 中国科学技术大学 | Cu2MoS4Nano material and preparation method thereof |
| CN106882855A (en) * | 2017-03-17 | 2017-06-23 | 中国科学技术大学 | Cu2MoS4Application of the nanotube in photocatalysis |
| CN107200354A (en) * | 2017-05-31 | 2017-09-26 | 张泰泓 | A kind of simple Cu2MoS4 quanta point materials synthetic method |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104158079A (en) * | 2013-10-10 | 2014-11-19 | 中国科学院上海光学精密机械研究所 | Saturable absorber device based on MoS2 or MoSe2 two-dimensional nanosheet |
| CN103904544B (en) * | 2013-11-15 | 2017-02-08 | 南通蓝诺光电科技有限公司 | Two-dimensional stratified material saturable absorber device and manufacturing method thereof |
| CN104218443A (en) * | 2014-08-20 | 2014-12-17 | 鲍小志 | Two-dimensional stratified material based practical saturable absorber and production method thereof |
-
2015
- 2015-08-27 CN CN201510535751.8A patent/CN105098576B/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105597786A (en) * | 2016-01-25 | 2016-05-25 | 温州大学 | Preparation method of zigzag Cu2MoS4 nanosheet and application in electrocatalysis and photocatalysis |
| CN106830080A (en) * | 2016-12-13 | 2017-06-13 | 中国科学技术大学 | Cu2MoS4Nano material and preparation method thereof |
| CN106830080B (en) * | 2016-12-13 | 2018-08-24 | 中国科学技术大学 | Cu2MoS4Nano material and preparation method thereof |
| CN106882855A (en) * | 2017-03-17 | 2017-06-23 | 中国科学技术大学 | Cu2MoS4Application of the nanotube in photocatalysis |
| CN106882855B (en) * | 2017-03-17 | 2020-05-05 | 中国科学技术大学 | Cu2MoS4Application of nano tube in photocatalysis |
| CN107200354A (en) * | 2017-05-31 | 2017-09-26 | 张泰泓 | A kind of simple Cu2MoS4 quanta point materials synthetic method |
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| Publication number | Publication date |
|---|---|
| CN105098576B (en) | 2018-05-29 |
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