CN109238974A - A kind of preparation method of blind type deep ultraviolet plasma resonance nano particle - Google Patents
A kind of preparation method of blind type deep ultraviolet plasma resonance nano particle Download PDFInfo
- Publication number
- CN109238974A CN109238974A CN201811001113.8A CN201811001113A CN109238974A CN 109238974 A CN109238974 A CN 109238974A CN 201811001113 A CN201811001113 A CN 201811001113A CN 109238974 A CN109238974 A CN 109238974A
- Authority
- CN
- China
- Prior art keywords
- preparation
- laser
- nano
- beaker
- iron oxide
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/05—Metallic powder characterised by the size or surface area of the particles
- B22F1/054—Nanosized particles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/16—Metallic particles coated with a non-metal
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/04—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
- G01N23/22—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by measuring secondary emission from the material
- G01N23/225—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by measuring secondary emission from the material using electron or ion
- G01N23/2251—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by measuring secondary emission from the material using electron or ion using incident electron beams, e.g. scanning electron microscopy [SEM]
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N2021/258—Surface plasmon spectroscopy, e.g. micro- or nanoparticles in suspension
Landscapes
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Pathology (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Immunology (AREA)
- General Physics & Mathematics (AREA)
- Nanotechnology (AREA)
- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
Abstract
The invention discloses a kind of preparation methods of blind type deep ultraviolet plasma resonance nano particle, using laser liquid phase ablation device.The present invention prepares the metal nanoparticle with local surface plasma resonance effect using laser liquid phase ablation, and preparation method is simple, and reaction product is pure, it is not easy to introduce impurity.Ascorbic acid is introduced as carbon source, can make to wrap up certain thickness carbon-coating outside metal nanoparticle, can effectively improve the stability and inoxidizability of product.It is strong to test Modulatory character.By adjusting laser energy and ablation time, can particle size to metal nanoparticle and degree of oxidation regulate and control.The metal nanoparticle prepared can the light absorption of light 240-260nm to profound ultraviolet band enhance.
Description
Technical field
The present invention relates to a kind of preparation methods of blind type deep ultraviolet plasma resonance nano particle.
Background technique
China's deep ultraviolet light electric explorer Detection Techniques by conventional device structure etc. due to being limited at present, and there are still vulnerable to ring
Border influence, photoelectric properties are poor, dark noise is big, response device speed and signal utilization rate are difficult to the problems such as taking into account, and at present at
Ripe deep ultraviolet blind type detector detection wavelength is minimum also probably in 310nm or so, to realize that the optical detection of more deep ultraviolet is answered
With difficult.Scientists are being dedicated to improving deep ultraviolet detection from new detection material and improvement device architecture is found
The performance of device.Wherein, one of the methods is using LSPR (local surface plasma resonance) effect of metal Nano structure come
Absorption of the light-sensitive material to deep ultraviolet band light is improved, to improve the photoresponse of device.
The performance for mainly removing enhancing visible light or infrared detector in document using LSPR effect at present, for ultraviolet
Wave band enhancing is confined to 350-550nm, cannot achieve the light absorption enhancing of more deep ultraviolet band.Preparation has LSPR effect at present
Metal nanoparticle there are mainly two types of method: stencil methods and electronics beam epitaxy methods.Both methods belongs to solid phase method
Preparation, can inevitably introduce impurity, and the metal nano that this method prepares into product during the preparation process
Particle shape looks are nanodisk, and this kind of nanodisk nevertheless suffers from limitation for the application of deep ultraviolet band.
Therefore, a kind of preparation method of blind type deep ultraviolet plasma resonance nano particle is proposed regarding to the issue above.
Summary of the invention
The object of the invention is that providing a kind of preparation method of nano-sheet iron oxide to solve the above-mentioned problems.
The present invention is achieved through the following technical solutions above-mentioned purpose,
A kind of preparation method of blind type deep ultraviolet plasma resonance nano particle, using laser liquid phase ablation device,
The laser liquid phase ablation device includes that pulse laser, reflecting mirror, condenser lens, beaker and protection tracheae, the pulse swash
Light device is located in the input path of the reflecting mirror, and the beaker is located on the emitting light path of the reflecting mirror, the reflecting mirror
It is provided with condenser lens between beaker, reaction solution is provided in the beaker, the beaker is arranged on magnetic agitation platform；
The following steps are included:
1), the pulse laser is opened to be preheated；
2), metallic aluminium target is handled, removes the oxide layer on its surface, is put into the beaker, and by described
Protection tracheae is passed through protective gas into reaction solution；
3) horizontal position for, adjusting magnetic agitation platform, so that the spot of laser is fallen on the metallic aluminium target；
4) height for, adjusting magnetic agitation platform, so that the focus of laser is fallen on the metallic aluminium target；
5) revolving speed of the magnetic agitation platform, is adjusted, and sets energy and the reaction time of laser, to the metallic aluminium
Target carries out ablation, collects reacted solution, has product in solution.
Further, the reaction solution is ascorbic acid solution.Ascorbic acid is introduced as carbon source, metal can be made
Certain thickness carbon-coating is wrapped up outside nano particle, can effectively improve the stability and inoxidizability of product.
Further, the reaction solution is ascorbic acid methanol solution.Ascorbic acid is introduced as carbon source, can be made
Certain thickness carbon-coating is wrapped up outside metal nanoparticle, can effectively improve the stability and inoxidizability of product.
Further, the reaction solution is ascorbic acid methanol solution, concentration 1/600g/ml.Introduce Vitamin C
Acid is used as carbon source, can make to wrap up certain thickness carbon-coating outside metal nanoparticle, can effectively improve product stability and
Inoxidizability.
Further, the pulse laser is Nd:YAG Q-switched pulse laser, pulse width 10ns, laser wave
Long 1064nm.
Further, the revolving speed of magnetic agitation platform described in step 5) is 20r/min.
Further, the energy of laser is 140mJ, reaction time 40min in step 5).
Further, protective gas is argon gas in step 3).
Further, the beaker is double branch pipe quartz beaker.It can be molten toward reacting by the double branch pipe of quartz beaker
Liquid is passed through argon gas as protection gas.
The utility model has the advantages that the preparation method of blind type deep ultraviolet plasma resonance nano particle of the invention uses laser liquid
Phase ablation prepares the metal nanoparticle with local surface plasma resonance effect, and preparation method is simple, and reacts and produce
Object is pure, it is not easy to introduce impurity.The metal nanoparticle being prepared can light 240-260nm to profound ultraviolet band
Light absorption is enhanced.
Detailed description of the invention
Fig. 1 is apparatus of the present invention schematic diagram.Wherein each element are as follows: (1) wavelength be the Nd:YAG laser of 1064nm,
(2) reflecting mirror, (3) focus lamp, (4) double branch pipe quartz beaker, (5) argon gas, (6) metallic aluminium target, (7) reaction solution；
Fig. 2 is to survey 200-400nm range of wavelengths to reaction product solution with UV-3600UV-VIS-NIR spectrophotometer
Absorption curve, and the Al metal nanoparticle of carbon package structure shot under transmission electron microscope.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment:
According to schematic structural diagram of testing device test system building.Wherein, 1Nd:YAG Q-switched pulse laser, pulsewidth
10ns, optical maser wavelength 1064nm.2 mirror tilt angles are 45 °, and 3 condenser lens focal lengths are 10cm, and 4 double branch pipe quartz beakers are high
6cm, diameter 4cm, Zhi Guanchang 2cm.5 protection gas are the high-purity argon of purity >=99.999%, and 6 metallic aluminium targets (length 2cm, it is wide
Spend 2cm, thickness 1mm).7 reaction solutions are the dissolution of ascorbic acid of 0.05g in the methanol of 30mL.
Specific testing procedure is as follows:
Step 1: opening pulse laser, adjusting laser is Q-Switch continuous and pulse plasma models, pulse frequency 10Hz.
Laser diode voltage is adjusted, i.e. laser energy is 140mJ.Laser works are kept to preheat 30min
Step 2: reaction solution needed for configuration laser liquid phase ablation.
Step 2.1: 0.05g dissolution of ascorbic acid is weighed in 30mL methanol, is placed in double branch pipe quartz beaker, with
The revolving speed of 1000r/min stirs 10min, it is ensured that it is sufficiently dissolved.Ascorbic acid is introduced as carbon source, metal nano can be made
The outer certain thickness carbon-coating of package of grain, can effectively improve the stability and inoxidizability of product.It is strong to test Modulatory character.
Step 3: preparing metal targets.
Step 3.1: Al target being subjected to mechanical grinding with sand paper, removes surface oxide layer.
Step 3.2: with acetone soak Al target and being cleaned by ultrasonic 5min.
Step 3.3: rinsing Al target with deionized water and ethyl alcohol, be cleaned and dried.
Step 4: installation experimental provision.
Step 4.1: according to shown in Fig. 1, quartz beaker being placed on magnetic agitation platform, adjustment revolving speed is 20r/min.It will
Al target is placed in precursor solution.
Step 4.2: by the double branch pipe of quartz beaker, being passed through argon gas as protection gas toward reaction solution.
Step 5: adjustment laser optical path.
Step 5.1: the position of adjustment magnetic agitation platform and reflecting mirror falls in LASER SPECKLE on Al metal targets surface.
Step 5.2: the position of the height of adjustment magnetic agitation platform, mixing platform Range Focusing mirror is 10cm, makes laser spot
In metal targets, it is ensured that the laser energy in metal targets is maximum.
Step 5.3: adjusting laser energy is 140mJ, reaction time 40min.When by adjusting laser energy and ablation
Between, can particle size to metal nanoparticle and degree of oxidation regulate and control.
Step 6: ablation terminates, and takes out metal targets, and collection has reacted remaining solution, carried out test characterization.Survey reaction
Specific step is as follows for reaction mixture absorption curve:
Step 6.1: opening UV-3600UV-VIS-NIR spectrophotometer, connect instrument and carry out parameter initialization.If
Instrument parameter-mensuration mode-absorption value is set, detection unit-is direct, slit wide -5.0.Setting test wavelength range is 200-
400nm。
Step 6.2: the pedestal of solution is surveyed in selection, and two cuvettes are packed into methanol solution, put pedestal into.Baseline is carried out to sweep
It retouches.
Step 6.3: will be close to one drop of addition inside the cuvette in outside needs reaction product solution to be tested, is surveyed
Examination.
Step 6.5: saving data, mapping obtains absorption curve shown in Fig. 2.It can be seen that the metal nano prepared
Grain can the light absorption of light 240-260nm to profound ultraviolet band enhance.
The present invention prepares the spherical Al metal nanoparticle of carbon package with laser liquid phase ablation.This liquid phase preparation
Method more clean and environmental protection, easy to operate.And the light absorption enhancing of 240-260nm wave band may be implemented in this Al nano particle,
The optimization that can be applied to deep ultraviolet detector improves.
The present invention prepares the metal nano with local surface plasma resonance effect using laser liquid phase ablation
Grain, preparation method is simple, and reaction product is pure, it is not easy to introduce impurity.
Claims (9)
1. a kind of preparation method of blind type deep ultraviolet plasma resonance nano particle, which is characterized in that use laser liquid phase
Ablation device, the laser liquid phase ablation device include pulse laser (1), reflecting mirror (2), condenser lens (3), beaker (4)
With protection tracheae (5), the pulse laser (1) is located in the input path of the reflecting mirror (2), and the beaker (4) is located at
On the emitting light path of the reflecting mirror (2), condenser lens (3), the burning are provided between the reflecting mirror (2) and beaker (4)
Reaction solution is provided in cup (4), the beaker (4) is arranged on magnetic agitation platform；
The following steps are included:
1), the pulse laser (1) is opened to be preheated；
2), metallic aluminium target (6) is handled, removes the oxide layer on its surface, is put into the beaker (4), and pass through institute
It states protection tracheae (5) and is passed through protective gas into reaction solution；
3) horizontal position for, adjusting magnetic agitation platform, so that the spot of laser is fallen on the metallic aluminium target (6)；
4) height for, adjusting magnetic agitation platform, so that the focus of laser is fallen on the metallic aluminium target (6)；
5) revolving speed of the magnetic agitation platform, is adjusted, and sets energy and the reaction time of laser, to the metallic aluminium target
(6) ablation is carried out, reacted solution is collected, there is product in solution.
2. the preparation method of nano-sheet iron oxide according to claim 1, it is characterised in that: the reaction solution is anti-
Bad hematic acid solution.
3. the preparation method of nano-sheet iron oxide according to claim 1, it is characterised in that: the reaction solution is anti-
Bad hematic acid methanol solution.
4. the preparation method of nano-sheet iron oxide according to claim 1, it is characterised in that: the reaction solution is anti-
Bad hematic acid methanol solution, concentration 1/600g/ml.
5. the preparation method of nano-sheet iron oxide according to claim 1, it is characterised in that: the pulse laser
It (1) is Nd:YAG Q-switched pulse laser, pulse width 10ns, optical maser wavelength 1064nm.
6. the preparation method of nano-sheet iron oxide according to claim 1, it is characterised in that: magnetic force described in step 5)
The revolving speed of mixing platform is 20r/min.
7. the preparation method of nano-sheet iron oxide according to claim 1, it is characterised in that: the energy of laser in step 5)
Amount is 140mJ, reaction time 40min.
8. the preparation method of nano-sheet iron oxide according to claim 1, it is characterised in that: protective gas in step 3)
For argon gas.
9. the preparation method of nano-sheet iron oxide according to claim 1, it is characterised in that: the beaker (4) is double
Branch pipe quartz beaker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811001113.8A CN109238974A (en) | 2018-08-30 | 2018-08-30 | A kind of preparation method of blind type deep ultraviolet plasma resonance nano particle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811001113.8A CN109238974A (en) | 2018-08-30 | 2018-08-30 | A kind of preparation method of blind type deep ultraviolet plasma resonance nano particle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109238974A true CN109238974A (en) | 2019-01-18 |
Family
ID=65068798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811001113.8A Pending CN109238974A (en) | 2018-08-30 | 2018-08-30 | A kind of preparation method of blind type deep ultraviolet plasma resonance nano particle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109238974A (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1689960A (en) * | 2004-04-26 | 2005-11-02 | 中国科学院光电技术研究所 | Method and device for manufacturing nano structure by light manipulation atoms |
| CN101589173A (en) * | 2007-02-07 | 2009-11-25 | Imra美国公司 | A method for depositing crystalline titania nanoparticles and films |
| CN101898761A (en) * | 2010-07-13 | 2010-12-01 | 天津大学 | Method for dispersing detonation method nano-diamond in liquid phase |
| CN102134095A (en) * | 2011-04-21 | 2011-07-27 | 浙江理工大学 | Method for preparing titanium dioxide nanoparticles with core-shell structure |
| CN102990081A (en) * | 2012-12-12 | 2013-03-27 | 中国科学院合肥物质科学研究院 | Method for preparing monodispersed and dimensionally-homogeneous noble metal nanospheres |
| CN103752849A (en) * | 2014-02-13 | 2014-04-30 | 华东理工大学 | Method for preparing stable nano-silver |
| CN103864070A (en) * | 2014-03-19 | 2014-06-18 | 中山大学 | Preparation method of superfine fluorescent nano diamond |
| CN105080544A (en) * | 2014-05-22 | 2015-11-25 | 天津大学 | Method for synthesizing cuprous oxide-carbon nanotube compound through laser liquid phase ablation |
| CN105195751A (en) * | 2015-10-16 | 2015-12-30 | 南京理工大学 | Method for preparing high-purity anti-oxidization base metal nano particles with liquid-phase laser erosion method |
| CN106115635A (en) * | 2016-06-23 | 2016-11-16 | 中山大学 | The application of amorphous selenium |
| CN105973808B (en) * | 2016-07-08 | 2019-07-12 | 南京理工大学 | Liquid laser ablation prepares nano particle mechanism process detection device and method |
| CN110480021A (en) * | 2019-08-07 | 2019-11-22 | 南京理工大学 | A method of antimony alkene nanometer sheet is prepared using liquid laser irradiation |
| CN111790904A (en) * | 2020-05-25 | 2020-10-20 | 南京理工大学 | Method for preparing bismuth-alkene nanosheets by liquid-phase laser irradiation method |
-
2018
- 2018-08-30 CN CN201811001113.8A patent/CN109238974A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1689960A (en) * | 2004-04-26 | 2005-11-02 | 中国科学院光电技术研究所 | Method and device for manufacturing nano structure by light manipulation atoms |
| CN101589173A (en) * | 2007-02-07 | 2009-11-25 | Imra美国公司 | A method for depositing crystalline titania nanoparticles and films |
| CN101898761A (en) * | 2010-07-13 | 2010-12-01 | 天津大学 | Method for dispersing detonation method nano-diamond in liquid phase |
| CN102134095A (en) * | 2011-04-21 | 2011-07-27 | 浙江理工大学 | Method for preparing titanium dioxide nanoparticles with core-shell structure |
| CN102990081A (en) * | 2012-12-12 | 2013-03-27 | 中国科学院合肥物质科学研究院 | Method for preparing monodispersed and dimensionally-homogeneous noble metal nanospheres |
| CN103752849A (en) * | 2014-02-13 | 2014-04-30 | 华东理工大学 | Method for preparing stable nano-silver |
| CN103864070A (en) * | 2014-03-19 | 2014-06-18 | 中山大学 | Preparation method of superfine fluorescent nano diamond |
| CN105080544A (en) * | 2014-05-22 | 2015-11-25 | 天津大学 | Method for synthesizing cuprous oxide-carbon nanotube compound through laser liquid phase ablation |
| CN105195751A (en) * | 2015-10-16 | 2015-12-30 | 南京理工大学 | Method for preparing high-purity anti-oxidization base metal nano particles with liquid-phase laser erosion method |
| CN106115635A (en) * | 2016-06-23 | 2016-11-16 | 中山大学 | The application of amorphous selenium |
| CN105973808B (en) * | 2016-07-08 | 2019-07-12 | 南京理工大学 | Liquid laser ablation prepares nano particle mechanism process detection device and method |
| CN110480021A (en) * | 2019-08-07 | 2019-11-22 | 南京理工大学 | A method of antimony alkene nanometer sheet is prepared using liquid laser irradiation |
| CN111790904A (en) * | 2020-05-25 | 2020-10-20 | 南京理工大学 | Method for preparing bismuth-alkene nanosheets by liquid-phase laser irradiation method |
Non-Patent Citations (2)
| Title |
|---|
| YUSUKE WATANABE.ETAL: "Deep-ultraviolet light excites surface plasmon for the enhancement of photoelectron emission", 《JOURNAL OF APPLIED PHYSICS》 * |
| 何国庆等: "激光液相烧蚀制备TiO2纳米颗粒的研究", 《聊城大学学报》 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Ganeev et al. | Ablation of nanoparticles and efficient harmonic generation using a 1-kHz laser | |
| CN104457991B (en) | By the device of the meticulous spectrum line of THz wave detected gas Rydberg state | |
| CN103367476A (en) | N + / N type new black-silicon structure and preparation technology | |
| CN108254944A (en) | Light-operated terahertz wave modulator of the micro-nano mixed structure of silicon substrate and preparation method thereof | |
| Kucherik et al. | Laser-induced synthesis of metal–carbon materials for implementing surface-enhanced Raman scattering | |
| CN106756788B (en) | A kind of method that Gas Sensor Films Deposited by Pulsed Laser Deposition prepares black titanium dioxide powder under subnormal ambient | |
| Ge et al. | A long-period and high-stability three-dimensional surface-enhanced Raman scattering hotspot matrix | |
| Liu et al. | Silicon multi-resonant metasurface for full-spectrum perfect solar energy absorption | |
| CN106099629A (en) | A kind of method of ultra-wide angular range suppression slab laser spontaneous amplification radiation | |
| CN102974836B (en) | Method for preparing silver/carbon composite nanoring structure by laser | |
| CN102134095B (en) | Method for preparing titanium dioxide nanoparticles with core-shell structure | |
| CN109238974A (en) | A kind of preparation method of blind type deep ultraviolet plasma resonance nano particle | |
| CN104167656B (en) | A kind of terahertz light lead antenna and preparation method thereof | |
| CN100559171C (en) | Detect the infrared penetrating image forming apparatus and the control method of bonding quality | |
| CN112563874B (en) | Room temperature light-excited zinc oxide phonon vibration terahertz laser | |
| CN114544688B (en) | Time resolution angle resolution ultraviolet light electron energy spectrum device based on higher harmonic generation | |
| Maksymov et al. | Cascaded four-wave mixing in tapered plasmonic nanoantenna | |
| Shimizu et al. | Development of an online UV–visible microspectrophotometer for a macromolecular crystallography beamline | |
| CN107390447B (en) | Terahertz waveband slow light device and manufacturing method thereof | |
| CN103172956B (en) | Synthetic method of terahertz wave material in terahertz frequency range | |
| CN104716553A (en) | Optical pumping SiO2-Rh6G gel random laser and manufacturing method thereof | |
| CN213998219U (en) | Self-feedback laser liquid phase ablation processing device | |
| JP2006211626A (en) | Extremely low temperature cooling window material, extremely low temperature cooling apparatus for astronomical observation device, and examination equipment utilizing terahertz wave observation | |
| Wang et al. | Laser-induced damage in a silicon-based photodiode by MHz picosecond laser | |
| Chen et al. | Wavelength-dependent nonlinear absorption of gold nanocages |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190118 |