CN105891185A - Precious-metal micro-nanometer structure and preparing method and application thereof - Google Patents
Precious-metal micro-nanometer structure and preparing method and application thereof Download PDFInfo
- Publication number
- CN105891185A CN105891185A CN201610218107.2A CN201610218107A CN105891185A CN 105891185 A CN105891185 A CN 105891185A CN 201610218107 A CN201610218107 A CN 201610218107A CN 105891185 A CN105891185 A CN 105891185A
- Authority
- CN
- China
- Prior art keywords
- shape memory
- memory high
- high molecule
- noble metal
- nano structure
- 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
- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
- G01N21/65—Raman scattering
- G01N21/658—Raman scattering enhancement Raman, e.g. surface plasmons
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y40/00—Manufacture or treatment of nanostructures
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Nanotechnology (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Health & Medical Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Analytical Chemistry (AREA)
- Composite Materials (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Manufacturing & Machinery (AREA)
- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
Abstract
The invention discloses a precious-metal micro-nanometer structure and a preparing method and application thereof. The preparing method includes the steps that a thermotropic shape-memory high-polymer material is dissolved to be coated and dried to obtain a shape-memory high-polymer film; at the specific temperature, the shape-memory high-polymer film is stretched 10% to 30%, the stretched shape-memory high-polymer film is naturally cooled to the room temperature, the shape-memory high-polymer film is kept the stretched state, a precious-metal nanometer particle layer is prepared on the surface of the stretched shape-memory high-polymer film, the product is put into the environment with the specific temperature, the stretched shape-memory high-polymer film is recovered to the original size in the stretched direction accordingly, and the precious-metal micro-nanometer structure is obtained. According to the preparing method, the precious-metal micro-nanometer structure with the special three-dimensional structure is prepared through the characteristic of the shape-memory high-polymer material, the prepared precious-metal micro-nanometer structure is used as a surface-enhanced-raman-scattering-spectroscopy active substrate, and the detection sensitivity can be remarkably improved.
Description
Technical field
The invention belongs to photoanalysis detection technique field, relate to a kind of noble metal micro nano structure and preparation side thereof
Method and application.
Technical background
Surface enhanced raman spectroscopy technology (SERS) can provide the knot of the surface adsorbed molecules such as gold, silver, copper
Structure information, this technology produces strong-electromagnetic field by the plasma resonance between noble metal substrate and makes the Raman of molecule
Signal amplifies, and improves the sensitivity of detection, the therefore development of the development strong depend-ence active substrate of this technology.Mesh
Before, the surface enhanced Raman scattering substrate technology of preparing of noble metal nano structure includes with silicon and aluminum for coarse knot
Structure also prepares nano-noble metal film layer with it for template, but this method complicated and time consumption and be difficult to regulation, also can profit
Noble metal nano structure is prepared, as surface enhanced Raman scattering substrate, such as at polymeric material with polymer
On imprint out pattern after evaporation metal prepare base material, in this method, the printing operation of template also compares
Complexity, metal structure is difficult to control at nanoscale simultaneously, development technology simplicity, structure-controllable, has and more hales
The noble metal micro nano structure that graceful scattering strengthens activity is current important research direction.
Summary of the invention
For above-mentioned the deficiencies in the prior art, the present invention provides a kind of noble metal micro nano structure and preparation method thereof
And application, the preparation method of the present invention utilize the characteristic of shape memory high molecule material prepare have special vertical
The noble metal micro nano structure of body structure, simple to operate, low cost, prepared noble metal micro nano structure is used
Do Surface Enhanced Raman Scattering Spectrum active substrate, detection sensitivity can be significantly improved.
The purpose of the present invention is achieved through the following technical solutions:
The preparation method of a kind of noble metal micro nano structure, comprises the following steps:
Coat and be dried after thermotropic shape memory high molecule material is dissolved, obtain shape memory high molecule thin film；
It is T in temperature0In the environment of, shape memory high molecule thin film is stretched in the same direction 10～30%, then certainly
So being cooled to 25-30 DEG C, shape memory high molecule thin film is maintained the state after stretching, the shape after being stretched
Shape memory macromolecule membrane；Shape memory high molecule film surface after the stretch prepares noble metal nano particles layer,
Obtaining composite, it is T that composite is placed in temperature1Environment in, make the shape memory high score after stretching
Sub-thin film recovers to original dimensions along draw direction, i.e. prepares noble metal micro-nano on shape memory high molecule thin film
Rice structure；
Described T0It it is the temperature making thermotropic shape memory high molecule material be in elastomeric state；And Tg≤T1≤Tm,
Tg is the glass transition temperature of thermotropic shape memory high molecule material, and Tm is thermotropic shape memory high score
The fusing point of sub-material.
The shape memory polyurethane that the present invention uses is thermotropic shape memory high molecule material, is heated paramount
Play state its stretcher strain can be fixed deformation and can be deposited after cooling, when being warming up to T again1Time can
Recover original shape, be wherein heated to the temperature needed for elastomeric state and regulate according to practical situation, it should make at material
When elastomeric state stretches, it is not susceptible to fracture simultaneously, is usually the glass higher than thermotropic shape memory high molecule material
Glass transition temperature 5-15 DEG C, simultaneously less than the fusing point of this material.The preparation method of such material belongs to existing skill
Art, it is preferred that described shape memory polyurethane is by hexamethylene diisocyanate (HDI), the double (2-of N, N-
Ethoxy) Pyrazinamide (BINA), 4,4 '-methyl diphenylene diisocyanate (MDI) and BDO (BDO)
4 kinds of monomer copolymerizations obtain.
Described is that thin-film material is prepared in this area by coating and be dried after the dissolving of thermotropic shape memory high molecule material
Common method, for convenience stretching and deposition operation, preferably carry out after shape memory high molecule film slitting
Ultrasonic cleaning, stretches the most again.
Described noble metal is golden or silver-colored, the described method preparing noble metal nano particles layer include vapour deposition method, etc. from
Sub-sputtering method, it is preferred to use vacuum ion sputtering method, concrete operations parameter is not particularly limited, it is desirable to this operation
Process does not affect the character of shape memory high molecule thin film.Noble metal nano grain is prepared it is furthermore preferred that described
The method of sublayer is to carry out deposition 1-20 time by vacuum ion sputtering method, and each used time 10s obtains noble metal and receives
Grain of rice sublayer.
Preferably, the thickness of described noble metal nano particles layer is 5～40nm.
In the preparation method of the present invention, shape memory high molecule film surface after the stretch prepares noble metal nano
Composite is obtained, this composite shape note under response temperature environment, after stretching therein after particle layer
Recall macromolecule membrane to recover to original dimensions along draw direction, make the noble metal nano particles layer of film surface occur
Bouncing back, compress, stack, formation accordion and surface are associated with the microstructure of nanometer island structure, see attached
Figure.
The present invention further provides a kind of noble metal micro nano structure, described noble metal micro nano structure is in shape
The nanostructured formed on memory macromolecule membrane, described micro nano structure is formed by noble metal nano particles accumulation,
Having its wavy cross section, its preparation method is above-described preparation method.
Preferably, on described wavy cross section, the vertical dimension of adjacent peaks trough is 300～600nm, wavelength
It is 0.9～3.5 μm.The vertical dimension of described adjacent peaks trough is with shape memory high molecule thin film place plane
Vertical dimension for horizontal plane.
The present invention further provides the application of described noble metal micro nano structure, be used as surface enhanced raman spectroscopy
Substrate.The noble metal micro nano structure of the present invention is used as surface enhanced Raman scattering substrate, with plane nanometer
Gold substrate compares, and Raman scattering strengthens activity and significantly improves, such that it is able to significantly improve the spirit of Raman spectrum detection
Sensitivity.
The method have the advantages that
The present invention utilizes the shape memory function of shape memory high molecule material to prepare to have special three-dimensional pleat
The noble metal micro nano structure of corrugation structure, has preparation simplicity, the advantage of low cost, simultaneously this nanostructured
Have as surface enhanced Raman scattering substrate and well strengthen activity, the sensitive of Raman spectrum detection can be improved
Degree, is easy to preparation, performance adjustable new substrates material.
Accompanying drawing explanation
Fig. 1 is the preparation method flow chart of gold micro nano structure in embodiment 1；
Fig. 2 is the atomic force microscope 3-D scanning figure of gold micro nano structure in embodiment 1；
Fig. 3 is the partial enlarged drawing of gold micro nano structure in embodiment 1, and a is surface enlarged drawing, and b is that gold is micro-
Enlarged drawing at nanostructured crest；
Fig. 4 is in testing example, respectively with golden micro nano structure, comparative example's system of embodiment 1 preparation
Shape memory high molecule film sample prepared by standby smooth gold nano layer and the embodiment 1 without any process is made
During for surface enhanced Raman scattering substrate, poly-(3-hexyl thiophene) (P3HT) is carried out Raman spectrum and detects
The Raman spectrogram arrived.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing and enforcement
Example, is further elaborated to the present invention.Specific embodiment described herein is only in order to explain this
Bright, it is not intended to limit the present invention.
Shape memory polyurethane in following example is prepared according to prior art, and documentation & info is: Effect of
MDI–BDO hard segment on pyridine-containing shape memory polyurethanes J
Mater Sci (2011) 46:5294 5304, Shaojun Chen, Jinlian Hu, Haitao Zhuo, Shiguo
Chen, the Tg of the shape memory polyurethane prepared i.e. glass transition temperature is 80 DEG C, and fusing point Tm is
105 DEG C, number-average molecular weight is 117600.
Embodiment 1
The preparation method of gold micro nano structure sees Fig. 1, specific as follows:
The preparation of shape memory high molecule thin film: the microscope slide of 2.5cm × 7.6cm is placed in dehydrated alcohol ultrasonic
Be dried after Xi Jinging, shape memory polyurethane being dissolved in N,N-dimethylacetamide prepared concentration is 150mg/mL
Solution, 2mL gained solution is uniformly coated on the microscope slide after cleaning formation thin layer, puts into 90 DEG C true
Empty baking oven is dried, thoroughly removes solvent N, N-dimethylacetamide, obtain shape memory high molecule thin film, by shape
Shape memory macromolecule membrane, according to 2.5cm × 1cm cutting, is placed in ultrasonic clean rear natural drying in dehydrated alcohol,
Obtain shape memory high molecule film sample；
The preparation of gold micro nano structure: shape memory high molecule film sample is fixed on the fixture of puller system,
And ambient temperature is regulated to 85 DEG C (at a temperature of Gai, shape memory polyurethane be elastomeric state), with puller system along shape
20% (rate of extension is 5mm/min) is elongated in shape memory macromolecule membrane sample length direction, is former length
1.2 times, it is naturally cooling to room temperature, by the shape memory effect of shape memory high molecule material, shape memory
State after macromolecule membrane sample remains substantially stretched is constant；
Shape memory high molecule film sample after stretching is put into vacuum ion sputtering instrument, in vacuum is
5×10-4Under the vacuum state of Pa, according to the deposition velocity of 10A/s on shape memory high molecule film sample surface
Upper point of 10 times each 10 seconds deposition obtains golden nanometer particle layer, and the thickness of golden nanometer particle layer is 25nm, heavy
Amass and be placed in the baking oven of 90 DEG C 8 minutes, utilized thermostimulation allow the shape memory high molecule thin film after stretching
Sample returns to initial length, drives the golden nanometer particle layer on its surface to shrink, compress, pile up, wrinkle simultaneously
Rise, on shape memory high molecule thin film, i.e. prepare gold micro nano structure.
Atomic force microscope 3-D scanning is carried out to preparing gold micro nano structure on shape memory high molecule thin film,
Obtain 3-D scanning figure, see Fig. 2, it is seen then that gained gold micro nano structure presents obvious accordion, its cross section
In wavy, the vertical dimension of adjacent peaks trough is 300～600nm, and wavelength is 0.9～3.5 μm, adjacent wave
The vertical dimension of spike paddy is the vertical dimension with shape memory high molecule thin film place plane as horizontal plane.The most right
Gold micro nano structure carries out partial enlargement scanning, sees Fig. 3, it is seen that the crest location of gold micro nano structure is associated with
Nanometer gold island structure.
Embodiment 2
The preparation method of gold micro nano structure is specific as follows:
Shape memory high molecule film sample embodiment 1 prepared is fixed on the fixture of puller system, and by ring
Border temperature regulates to 85 DEG C (at a temperature of Gai, shape memory polyurethane be elastomeric state), with puller system along shape memory
10% (rate of extension is 5mm/min) is elongated in macromolecule membrane sample length direction, is 1.1 times of former length,
Being naturally cooling to room temperature, by the shape memory effect of shape memory high molecule material, shape memory high molecule is thin
State after membrane sample remains substantially stretched is constant；
Shape memory high molecule film sample after stretching is put into vacuum ion sputtering instrument, in vacuum is
5×10-4Under the vacuum state of Pa, according to the deposition velocity of 10A/s on shape memory high molecule film sample surface
Upper point of 5 times each 10 seconds deposition obtains golden nanometer particle layer, and the thickness of golden nanometer particle layer is 13nm, deposition
Complete to be placed in the baking oven of 90 DEG C 10 minutes, utilize thermostimulation allow the shape memory high molecule thin film after stretching
Sample returns to initial length, drives the golden nanometer particle layer on its surface to shrink, compress, pile up, wrinkle simultaneously
Rise, on shape memory high molecule thin film, i.e. prepare gold micro nano structure.
Embodiment 3
The preparation method of gold micro nano structure is specific as follows:
Shape memory high molecule film sample embodiment 1 prepared is fixed on the fixture of puller system, and by ring
Border temperature regulates to 85 DEG C (at a temperature of Gai, shape memory polyurethane be elastomeric state), with puller system along shape memory
20% (rate of extension is 5mm/min) is elongated in macromolecule membrane sample length direction, is 1.2 times of former length,
Being naturally cooling to room temperature, by the shape memory effect of shape memory high molecule material, shape memory high molecule is thin
State after membrane sample remains substantially stretched is constant；
Shape memory high molecule film sample after stretching is put into vacuum ion sputtering instrument, in vacuum is
5×10-4Under the vacuum state of Pa, according to the deposition velocity of 10A/s on shape memory high molecule film sample surface
1 metal spraying of upper deposition obtains golden nanometer particle layer for 10 seconds, and the thickness of golden nanometer particle layer is 5nm, has deposited
Become to be placed in the baking oven of 90 DEG C 10 minutes, utilize thermostimulation allow the shape memory high molecule thin film sample after stretching
Product return to initial length, drive the golden nanometer particle layer on its surface to shrink, compress, pile up, purse up simultaneously,
On shape memory high molecule thin film, i.e. prepare gold micro nano structure.
Embodiment 4
The preparation method of gold micro nano structure is specific as follows:
Shape memory high molecule film sample embodiment 1 prepared is fixed on the fixture of puller system, and by ring
Border temperature regulates to 85 DEG C (at a temperature of Gai, shape memory polyurethane be elastomeric state), with puller system along shape memory
30% (rate of extension is 5mm/min) is elongated in macromolecule membrane sample length direction, is 1.3 times of former length,
Being naturally cooling to room temperature, by the shape memory effect of shape memory high molecule material, shape memory high molecule is thin
State after membrane sample remains substantially stretched is constant；
Shape memory high molecule film sample after stretching is put into vacuum ion sputtering instrument, in vacuum is
Under the vacuum state of 5 × 10-4Pa, according to the deposition velocity of 10A/s on shape memory high molecule film sample surface
Upper deposition obtains golden nanometer particle layer in 20 times each 10 seconds, and the thickness of golden nanometer particle layer is 40nm, deposition
Complete to be placed in the baking oven of 90 DEG C 10 minutes, utilize thermostimulation allow the shape memory high molecule thin film after stretching
Sample returns to initial length, drives the golden nanometer particle layer on its surface to shrink, compress, pile up, wrinkle simultaneously
Rise, on shape memory high molecule thin film, i.e. prepare gold micro nano structure.
Comparative example
The present embodiment prepares smooth gold nano layer as a comparison, and step is as follows:
Shape memory high molecule film sample embodiment 1 prepared puts into vacuum ion sputtering instrument, in vacuum is
Under the vacuum state of 5 × 10-4Pa, according to the deposition velocity of 10A/s on shape memory high molecule film sample surface
Upper deposition obtains smooth gold nano layer in 10 times each 10 seconds, and the thickness of smooth gold nano layer is 25nm.
Testing example
Respectively with the golden micro nano structure of embodiment 1 preparation, the smooth gold nano layer prepared of comparative example and not
Through any process embodiment 1 prepare shape memory high molecule film sample as surface enhanced raman spectroscopy base
The end, carrying out Raman spectrum detection, detection method is: by poly-(3-hexyl thiophene) (P3HT) that concentration is 5mg/mL
Chlorobenzene solution is spun on the surface of above-mentioned three kinds of substrates respectively, puts into laser Raman spectrometer (LabRAM HR
800, France HORIBA JobinYvon) in, selecting wavelength 633nm is excitation source, measures its Raman
Spectrum, sees accompanying drawing 4.
From fig. 4, it can be seen that using embodiment 1 preparation golden micro nano structure as substrate time, poly-(3-hexyl thiophene)
Raman signal intensity have the enhancing of several times, i.e. significantly improve the detection sensitivity of this material.
It is last it should be noted that, above example is only in order to illustrate technical scheme rather than to the present invention
The restriction of protection domain.If it will be understood by those of skill in the art that and technical scheme can being carried out
Dry deduction or equivalent, without deviating from the spirit and scope of technical solution of the present invention.
Claims (7)
1. a preparation method for noble metal micro nano structure, including following operating procedure:
Coat and be dried after thermotropic shape memory high molecule material is dissolved, obtain shape memory high molecule thin
Film；In the environment of temperature is T0, shape memory high molecule thin film is stretched in the same direction 10～30%, so
After naturally cool to 25-30 DEG C, shape memory high molecule thin film is maintained the state after stretching, after being stretched
Shape memory high molecule thin film；Shape memory high molecule film surface after the stretch prepares noble metal nano grain
Sublayer, obtains composite, is placed in by composite in the environment that temperature is T1, makes the shape after stretching remember
Recall macromolecule membrane to recover to original dimensions along draw direction, on shape memory high molecule thin film, i.e. prepare your gold
Belong to micro nano structure；
Described T0 is the temperature making thermotropic shape memory high molecule material be in elastomeric state；And Tg≤T1≤Tm,
Tg is the glass transition temperature of thermotropic shape memory high molecule material, and Tm is thermotropic shape memory high score
The fusing point of sub-material.
2. preparation method as claimed in claim 1, it is characterised in that described noble metal is golden or silver-colored.
3. preparation method as claimed in claim 1 or 2, it is characterised in that described prepare noble metal nano grain
The method of sublayer is vacuum ion sputtering method.
4. preparation method as claimed in claim 1 or 2, it is characterised in that described noble metal nano particles
The thickness of layer is 5～40nm.
5. a noble metal micro nano structure, described noble metal micro nano structure is at shape memory high molecule thin film
The micro nano structure of upper formation, described micro nano structure is piled up by noble metal nano particles and is formed, has its wave
Shape cross section, its preparation method is the preparation method described in claim 1 or 2.
6. noble metal micro nano structure as claimed in claim 5, on described wavy cross section, adjacent wave spike
The vertical dimension of paddy is 300～600nm, and wavelength is 0.9～3.5 μm.
7. the application of noble metal micro nano structure as claimed in claim 5, is used as surface enhanced raman spectroscopy
Substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610218107.2A CN105891185A (en) | 2016-04-08 | 2016-04-08 | Precious-metal micro-nanometer structure and preparing method and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610218107.2A CN105891185A (en) | 2016-04-08 | 2016-04-08 | Precious-metal micro-nanometer structure and preparing method and application thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105891185A true CN105891185A (en) | 2016-08-24 |
Family
ID=57012246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610218107.2A Pending CN105891185A (en) | 2016-04-08 | 2016-04-08 | Precious-metal micro-nanometer structure and preparing method and application thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105891185A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107249254A (en) * | 2017-04-25 | 2017-10-13 | 广东工业大学 | A kind of stretchable or bending compound circuit system and preparation method thereof |
| CN110691470A (en) * | 2019-11-19 | 2020-01-14 | 江苏上达电子有限公司 | COF manufacturing method of fine circuit |
| CN111230139A (en) * | 2020-02-07 | 2020-06-05 | 深圳大学 | Gold nanoplate and preparation method thereof |
| CN111398248A (en) * | 2020-04-22 | 2020-07-10 | 南通大学 | Preparation method of nanogold film SERS substrate based on multi-morphology silver modification |
| CN112513561A (en) * | 2018-04-06 | 2021-03-16 | 布拉斯科美国有限公司 | Raman spectroscopy and machine learning for quality control |
| CN112945661A (en) * | 2021-01-26 | 2021-06-11 | 江南大学 | Method for preparing surface micro-wrinkle pattern by using shape memory polymer particles |
| KR20210097857A (en) * | 2020-01-30 | 2021-08-10 | 서울대학교산학협력단 | Manufacturing Method of Shape Memory Polymer Composite |
| CN113296176A (en) * | 2021-04-22 | 2021-08-24 | 江苏度微光学科技有限公司 | Surface-enhanced Raman scattering substrate and preparation method thereof |
-
2016
- 2016-04-08 CN CN201610218107.2A patent/CN105891185A/en active Pending
Non-Patent Citations (2)
| Title |
|---|
| JUNJUN LI 等: "《Unique Aspects of a Shape Memory Polymer As the Substrate for Surface Wrinkling》", 《ACS APPLIED MATERIALS & INTERFACES》 * |
| LING ZHANG 等: "《Wrinkled Nanoporous Gold Films with Ultrahigh Surface-Enhanced Raman Scattering Enhancement》", 《ACS NANO》 * |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107249254A (en) * | 2017-04-25 | 2017-10-13 | 广东工业大学 | A kind of stretchable or bending compound circuit system and preparation method thereof |
| CN107249254B (en) * | 2017-04-25 | 2019-08-27 | 广东工业大学 | A kind of stretchable or bending compound circuit system and preparation method thereof |
| CN112513561A (en) * | 2018-04-06 | 2021-03-16 | 布拉斯科美国有限公司 | Raman spectroscopy and machine learning for quality control |
| CN112513561B (en) * | 2018-04-06 | 2022-04-15 | 布拉斯科美国有限公司 | Raman spectroscopy and machine learning for quality control |
| CN110691470A (en) * | 2019-11-19 | 2020-01-14 | 江苏上达电子有限公司 | COF manufacturing method of fine circuit |
| KR20210097857A (en) * | 2020-01-30 | 2021-08-10 | 서울대학교산학협력단 | Manufacturing Method of Shape Memory Polymer Composite |
| KR102430862B1 (en) * | 2020-01-30 | 2022-08-10 | 서울대학교산학협력단 | Manufacturing Method of Shape Memory Polymer Composite |
| CN111230139A (en) * | 2020-02-07 | 2020-06-05 | 深圳大学 | Gold nanoplate and preparation method thereof |
| CN111398248A (en) * | 2020-04-22 | 2020-07-10 | 南通大学 | Preparation method of nanogold film SERS substrate based on multi-morphology silver modification |
| CN112945661A (en) * | 2021-01-26 | 2021-06-11 | 江南大学 | Method for preparing surface micro-wrinkle pattern by using shape memory polymer particles |
| CN112945661B (en) * | 2021-01-26 | 2023-02-21 | 江南大学 | Method for preparing surface micro-wrinkle pattern by using shape memory polymer particles |
| CN113296176A (en) * | 2021-04-22 | 2021-08-24 | 江苏度微光学科技有限公司 | Surface-enhanced Raman scattering substrate and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105891185A (en) | Precious-metal micro-nanometer structure and preparing method and application thereof | |
| Szewczyk et al. | Enhanced piezoelectricity of electrospun polyvinylidene fluoride fibers for energy harvesting | |
| Burroughs et al. | Direct measurement of glass transition temperature in exposed and buried adsorbed polymer nanolayers | |
| Mahadeva et al. | Flexible humidity and temperature sensor based on cellulose–polypyrrole nanocomposite | |
| Stadler et al. | Nanoscale chemical imaging of single-layer graphene | |
| CN106756777B (en) | A kind of method and application by strain regulation wrinkled surface hydrophilic and hydrophobic reversible transition | |
| Chen et al. | Light-driven wettability changes on a photoresponsive electrospun mat | |
| Choi et al. | Enhancement of local piezoresponse in polymer ferroelectrics via nanoscale control of microstructure | |
| Weiss et al. | Tailoring supramolecular nanofibers for air filtration applications | |
| Li et al. | Electrospun fullerenol-cellulose biocompatible actuators | |
| JP2015214714A (en) | Production method of multifunctional electrically conductive/transparent/flexible film | |
| Eom et al. | Tailored poly (vinylidene fluoride-co-trifluoroethylene) crystal orientation for a triboelectric nanogenerator through epitaxial growth on a chitin nanofiber film | |
| Zandesh et al. | Piezoelectric electrospun nanofibrous energy harvesting devices: Influence of the electrodes position and finite variation of dimensions | |
| Jin et al. | Design of an ultrasensitive flexible bend sensor using a silver-doped oriented poly (vinylidene fluoride) nanofiber web for respiratory monitoring | |
| WO2015066337A1 (en) | Porous polymer membranes, methods of making, and methods of use | |
| Hekmati et al. | Effect of nanofiber diameter on water absorption properties and pore size of polyamide-6 electrospun nanoweb | |
| Zhong et al. | Asymmetric permittivity enhanced bilayer polycaprolactone nanofiber with superior inner interfacial polarization and charge retention for high-output and humidity-resistant triboelectric nanogenerators | |
| Bhagat et al. | UV–VIS spectroscopic studies of one pot chemically synthesized polyindole/poly (vinyl acetate) composite films | |
| Shi et al. | Optical and electrical characterization of pure PMMA for terahertz wide-band metamaterial absorbers | |
| CN107748024A (en) | A kind of flexible touch sensation sensor of micro-patterning and preparation method thereof | |
| Zhang et al. | Polyvinyl alcohol: a high-resolution hydrogel resist for humidity-sensitive micro-/nanostructure | |
| Ravikiran et al. | Humidity sensing studies on conducting polymers: Polyaniline and polypyrrole | |
| Chen et al. | Omnidirectional/unidirectional antireflection-switchable structures inspired by dragonfly wings | |
| Gupta et al. | Machine learning-aided all-organic air-permeable piezoelectric nanogenerator | |
| CN114660043A (en) | Preparation method of SERS substrate based on elastic shrinkage, SERS substrate and detection method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160824 |
|
| RJ01 | Rejection of invention patent application after publication |