CN110181073A - A kind of synthetic method preparing branch shape silver blacker-than-black material - Google Patents
A kind of synthetic method preparing branch shape silver blacker-than-black material Download PDFInfo
- Publication number
- CN110181073A CN110181073A CN201910540750.0A CN201910540750A CN110181073A CN 110181073 A CN110181073 A CN 110181073A CN 201910540750 A CN201910540750 A CN 201910540750A CN 110181073 A CN110181073 A CN 110181073A
- Authority
- CN
- China
- Prior art keywords
- vitamin
- silver
- silver nitrate
- branch shape
- black
- 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
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 title claims abstract description 50
- 229910052709 silver Inorganic materials 0.000 title claims abstract description 47
- 239000004332 silver Substances 0.000 title claims abstract description 47
- 239000000463 material Substances 0.000 title claims abstract description 23
- 238000010189 synthetic method Methods 0.000 title claims abstract description 10
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(1+) nitrate Chemical compound [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 claims abstract description 52
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 claims abstract description 40
- 239000000243 solution Substances 0.000 claims abstract description 37
- 229910001961 silver nitrate Inorganic materials 0.000 claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 18
- ZZZCUOFIHGPKAK-UHFFFAOYSA-N D-erythro-ascorbic acid Natural products OCC1OC(=O)C(O)=C1O ZZZCUOFIHGPKAK-UHFFFAOYSA-N 0.000 claims abstract description 17
- 229930003268 Vitamin C Natural products 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims abstract description 17
- 235000019154 vitamin C Nutrition 0.000 claims abstract description 17
- 239000011718 vitamin C Substances 0.000 claims abstract description 17
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000008367 deionised water Substances 0.000 claims abstract description 13
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 13
- 238000006243 chemical reaction Methods 0.000 claims abstract description 12
- 238000013019 agitation Methods 0.000 claims abstract description 9
- 239000002243 precursor Substances 0.000 claims abstract description 9
- 239000007864 aqueous solution Substances 0.000 claims abstract description 6
- 229960000935 dehydrated alcohol Drugs 0.000 claims abstract description 6
- 238000002347 injection Methods 0.000 claims abstract description 3
- 239000007924 injection Substances 0.000 claims abstract description 3
- 230000001376 precipitating effect Effects 0.000 claims abstract description 3
- 239000007787 solid Substances 0.000 claims abstract description 3
- 230000035484 reaction time Effects 0.000 claims description 2
- 239000006193 liquid solution Substances 0.000 claims 1
- 238000000862 absorption spectrum Methods 0.000 abstract description 7
- 238000003745 diagnosis Methods 0.000 abstract description 3
- 230000001681 protective effect Effects 0.000 abstract 1
- 238000010521 absorption reaction Methods 0.000 description 19
- 239000002086 nanomaterial Substances 0.000 description 9
- 206010001497 Agitation Diseases 0.000 description 6
- 229960005070 ascorbic acid Drugs 0.000 description 6
- 230000003287 optical effect Effects 0.000 description 6
- 238000006555 catalytic reaction Methods 0.000 description 4
- 239000002105 nanoparticle Substances 0.000 description 4
- 229910000510 noble metal Inorganic materials 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000002082 metal nanoparticle Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 239000013528 metallic particle Substances 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 238000005240 physical vapour deposition Methods 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 238000004416 surface enhanced Raman spectroscopy Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000002041 carbon nanotube Substances 0.000 description 1
- 229910021393 carbon nanotube Inorganic materials 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 239000003426 co-catalyst Substances 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000005518 electrochemistry Effects 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000001755 magnetron sputter deposition Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000007626 photothermal therapy Methods 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000000992 sputter etching Methods 0.000 description 1
- 238000002198 surface plasmon resonance spectroscopy Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
- B01J23/48—Silver or gold
- B01J23/50—Silver
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/20—Catalysts, in general, characterised by their form or physical properties characterised by their non-solid state
- B01J35/23—Catalysts, in general, characterised by their form or physical properties characterised by their non-solid state in a colloidal state
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
- B01J35/33—Electric or magnetic properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
- B01J35/39—Photocatalytic properties
-
- 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
- B22F9/16—Making metallic powder or suspensions thereof using chemical processes
- B22F9/18—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds
- B22F9/24—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from liquid metal compounds, e.g. solutions
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
- C09K11/58—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing copper, silver or gold
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Nanotechnology (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
- Inorganic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
Abstract
The present invention relates to a kind of synthetic methods for preparing branch shape silver blacker-than-black material.Silver nitrate is weighed respectively and vitamin C dissolves in deionized water, obtains silver nitrate precursor solution and vitamin C precursor solution；Silver nitrate aqueous solution is added in deionized water, injection vitamin C aqueous solution is reacted under the conditions of magnetic agitation, and solution colour changes after reaction, and the molar concentration rate of final vitamin C and silver nitrate is 44~100；Obtained solid precipitating is successively washed and is centrifuged with deionized water, dehydrated alcohol, and obtained branch shape silver black sol material is dispersed in dehydrated alcohol.Outstanding feature of the invention is easy to operate, simple process and low cost, it is environmentally protective, obtained branch shape ag material has very wide ultraviolet-visible and near-infrared absorption spectrum range, possesses good application potential in numerous areas such as optics, biology, medical diagnosis, the energy, information.
Description
Technical field
The invention belongs to nano structural material technical fields, are related to a kind of synthetic method for preparing branch shape silver blacker-than-black material.
Background technique
Metal nano material, due to being received significant attention with special physicochemical property.In various metals, noble metal
Such as gold, silver, platinum increase since local surface plasmon resonance makes it have optical property abundant in superabsorbent, signal
By force, the directions such as photoelectrocatalysis, photothermal conversion have a wide range of applications, and cover optics, biology, medical diagnosis, the energy, information etc.
Numerous areas has become a hot topic of research.In the local surface phasmon of incident light excitation metal nanoparticle, in particle
Around, the phenomenon that near field enhancing is presented in electromagnetic field, the case where forming violent optical scattering and absorption resonance, referred to as surface etc. from
Daughter resonance (SPR) effect.Variable grain volume, shape, package assembly noble metal nano particles there is different optics to inhale
Receive formant.Preparation is current nano science, life science, physical chemistry compared with the noble metal nano particles of wide spectrum absorption region
Etc. crossing domains research emphasis.In general, the absorption of shortwave strong point derives from lateral plasma oscillation, the absorption of long wave strong point
From longitudinal plasma oscillation.Existing research shows the UV Absorption relative to spheric granules, with cutting-edge structure
Metallic particles has more excellent SPR effect, is that metal nano material topographic design stresses direction.In addition, in electrochemistry,
The cutting-edge structure of metallic particles can by induced by magnetic field regional area concentration, to improve the catalytic activity of electrocatalytic reaction,
A kind of novel Research Thinking is provided for the design of electrochemical catalyst.
Blacker-than-black material refers to that color close to black, has a kind of material compared with antiradar reflectivity and higher absorption rate.Currently, people
The most black material that class produces is carbon nanotube black matrix (Vantablack), can absorb up to 99.965% visible light.It is right
Reported at present mainly to have gold in blacker-than-black metal material, average absorption ratio is 70% in visible-range, near infrared region
Absorption but very little.The features such as silver nano-grain is since electric conductivity is preferable, relative low price, and compatibility performance is good is used extensively
In fields such as photo-thermal therapy, catalysis, Surface enhanced Raman scattering, the photothermal conversion of Argent grain is such as utilized, realizes oncotherapy；Benefit
Absorption with Argent grain to light improves Surface enhanced Raman scattering, and the light (electricity) for being alternatively arranged as co-catalyst raising semiconductor is urged
Change performance.The synthetic method of silver nano-grain mainly includes that physical vapour deposition (PVD), ion etching method, magnetron sputtering method and chemistry are gone back
Former method etc..Existing above-mentioned synthetic method can only obtain single spherical shape, polyhedron, coralliform, rodlike Nano silver grain, and light is inhaled
Receipts response range is relatively narrow, and absorption peak is located at ultra-violet (UV) band.Branch shape silver has cutting-edge structure abundant, can widen silver nano-grain
Optical response range, or even realize near infrared absorption.So far, we, which do not see also, is only matched by the molar concentration of feed change
Than being absorbed with ultraviolet-visible light all band and near infrared region also has the branch shape silver blacker-than-black material of good absorption efficiency to synthesize
Material.This branch shape ag material will possess preferable application potential in fields such as light (electricity) chemistry, optical information, engineering in medicine.
Summary of the invention
In consideration of it, the purpose of the present invention is to provide a kind of synthetic methods for preparing branch shape silver blacker-than-black material.
The technical solution adopted by the invention is as follows:
A kind of synthetic method preparing branch shape silver blacker-than-black material, includes the following steps:
1) silver nitrate is weighed respectively and vitamin C dissolves in deionized water, obtain silver nitrate precursor solution and Wei Sheng
Plain C precursor solution；
2) silver nitrate aqueous solution is added in deionized water, injection vitamin C aqueous solution carries out anti-under the conditions of magnetic agitation
It answers, solution colour changes after reaction, and the molar concentration rate of final vitamin C and silver nitrate is 44~100；
3) the solid precipitating obtained is successively washed and is centrifuged with deionized water, dehydrated alcohol, and obtained branch shape silver black is molten
Glue material is dispersed in dehydrated alcohol.
The silver nitrate precursor solution concentration that obtains is 0.01~0.1M.
The vitamin C precursor solution concentration that obtains is 0.2~1M.
The reaction temperature of the step 2) is 25~30 DEG C, and the reaction time is 2~10 minutes.
The magnetic agitation rotating speed of the step 2) is 1300~1500 revs/min.
The raw materials used in the present invention is environmentally friendly, simple process.The controllable branch shape silver nano-grain of the pattern of preparation, performance
More excellent optical absorption characteristics out realize that all band absorbs in ultraviolet-visible light area, inhale near infrared region there is also apparent
It receives, the absorptivity near infrared region is 20% or more.The optic response of reported noble metal plasma is lower than mostly
1000nm limits plasma in the application in the fields such as biomedical engineering, as Biologic Medical Image and diagnosis are raw second
Demand of the object transparent window to photoresponse is 1000nm~1400nm.The black branch shape ag material that the present invention synthesizes, in 983nm and
1160nm near infrared band, which exists, to be absorbed, and above-mentioned requirements can be met.In addition, in fields such as photothermal conversion, light (electricity) catalysis, it is this
Material will also have very big application potential.
Detailed description of the invention
Fig. 1 a is the scanning electron microscope (SEM) photograph for the branch shape silver nano material that embodiment 1 is prepared；
Fig. 1 b is the uv-visible absorption spectra for the branch shape silver nano material that embodiment 1 is prepared；
Fig. 1 c is the near infrared absorption and absorptivity spectrum for the branch shape silver nano material that embodiment 1 is prepared；
Fig. 2 is the scanning electron microscope (SEM) photograph for the branch shape silver nano material that embodiment 2 is prepared；
Fig. 3 is the scanning electron microscope (SEM) photograph for the branch shape silver nano material that embodiment 3 is prepared；
Fig. 4 is the scanning electron microscope (SEM) photograph for the branch shape silver nano material that embodiment 4 is prepared；
Fig. 5 is the UV-visible-near infrared absorption for the branch shape silver nano material that embodiment 2,3,4 is prepared.
Specific embodiment
Below by drawings and examples, invention is further described in detail, but protection scope of the present invention is not limited to
In the content.
Embodiment 1:
(1) 0.1M silver nitrate solution and 0.2M vitamin c solution is respectively configured, takes 7.5mL deionized water in beaker, it is first
It is first added the above-mentioned silver nitrate solution of 50 μ L, the above-mentioned dimension of 2.5mL is rapidly added under the conditions of 25 DEG C and 1500 revs/min of magnetic agitations
Raw element C solution, solution colour rapidly goes to black after ten minutes for reaction, and the molar concentration rate of final vitamin C and silver nitrate is
100, obtain black branch shape silver nanoparticle colloidal sol.
(2) alcohol is added in black silver sol solution and water is repeatedly washed and is centrifuged, be finally dispersed in alcohol,
In the process, Zhi Zhuanyin structure remained stable, no pattern variation.
(3) Fig. 1 a is the stereoscan photograph of the present embodiment 1, and black silver sol shows as tree-like branched structure, average grain
Diameter is about 1.5 μm, and branch shape length is about 1 μm, and branch shape part includes many smaller branches, and length scale is about 180nm, branch shape
Structure can induce it is magnetic field-enhanced, in electro-catalysis have certain application potential.Fig. 1 b is that black silver prepared by embodiment 1 is molten
The ultraviolet visible absorption spectra of glue, the black silver sol that the present invention obtains have hypersorption in 300~800nm wave-length coverage
Characteristic.Fig. 1 c is the near infrared absorption spectrum of black silver sol prepared by embodiment 1, and Zhi Zhuanyin has at 983nm and 1160nm
Apparent to absorb, absorptivity is respectively up to 24% and 30% or so.Illustrate that the black silver sol can be used as good optical absorption
Material is applied to the fields such as catalysis, solar battery, interface water evaporation, photo-thermal oncotherapy.
Embodiment 2:
(1) 0.015M silver nitrate solution and 1M vitamin c solution is respectively configured, takes 10mL deionized water in beaker, it is first
The above-mentioned silver nitrate solution of 0.3mL is first added, is rapidly added the above-mentioned of 0.2mL under the conditions of 30 DEG C and 1300 revs/min of magnetic agitations
Vitamin c solution, solution colour rapidly goes to black, the molar concentration rate of final vitamin C and silver nitrate after ten minutes for reaction
It is 44, obtains black branch shape silver nanoparticle colloidal sol.
(2) alcohol is added in black silver sol solution and water is repeatedly washed and is centrifuged, be finally dispersed in alcohol,
In the process, Zhi Zhuanyin structure remained stable, no pattern variation.
(3) Fig. 2 is the scanning electron microscope (SEM) photograph of black silver sol prepared by embodiment 2, and silver sol is branch shape structure, average grain
Diameter is about 1.2 μm.Fig. 5 is ultraviolet-visible-near infrared absorption spectrum of black silver sol prepared by embodiment 2,300~
With the characteristic of hypersorption in 800nm wave-length coverage, also there is apparent absorption in the near infrared region 983nm and 1160nm.
Embodiment 3:
(1) 0.01M silver nitrate solution and 1M vitamin c solution is respectively configured, takes 10mL deionized water in beaker, first
The above-mentioned silver nitrate solution of 0.3mL is added, the above-mentioned dimension of 0.2mL is rapidly added under the conditions of 28 DEG C and 1400 revs/min of magnetic agitations
Raw element C solution, solution colour rapidly goes to black after reaction 2 minutes, and the molar concentration rate of final vitamin C and silver nitrate is
67, obtain black branch shape silver nanoparticle colloidal sol.
(2) alcohol is added in black silver sol solution and water is repeatedly washed and is centrifuged, be finally dispersed in alcohol,
In the process, Zhi Zhuanyin structure remained stable, no pattern variation.
(3) Fig. 3 is the scanning electron microscope (SEM) photograph of black silver sol prepared by embodiment 3, and silver sol is branch shape structure, average grain
Diameter is about 1.3 μm.Fig. 5 is ultraviolet-visible-near infrared absorption spectrum of black silver sol prepared by embodiment 3,300~
With the characteristic of hypersorption in 800nm wave-length coverage, also there is apparent absorption in the near infrared region 983nm and 1160nm.
Embodiment 4:
(1) 0.125M silver nitrate solution and 0.2M vitamin c solution is respectively configured, takes 7.5mL deionized water in beaker,
It is firstly added the above-mentioned silver nitrate solution of 50 μ L, is rapidly added the above-mentioned of 2.5mL under the conditions of 25 DEG C and 1300 revs/min of magnetic agitations
Vitamin c solution, solution colour rapidly goes to black after reaction 6 minutes, and the molar concentration rate of final vitamin C and silver nitrate is
80, obtain black branch shape silver nanoparticle colloidal sol.
(2) alcohol is added in black silver sol solution and water is repeatedly washed and is centrifuged, be finally dispersed in alcohol,
In the process, Zhi Zhuanyin structure remained stable, no pattern variation.
(3) Fig. 4 is the scanning electron microscope (SEM) photograph of black silver sol prepared by embodiment 4, and silver sol is branch shape structure, average grain
Diameter is about 1.1 μm.Fig. 5 is ultraviolet-visible-near infrared absorption spectrum of black silver sol prepared by embodiment 4,300~
With the characteristic of hypersorption in 800nm wave-length coverage, also there is apparent absorption in the near infrared region 983nm and 1160nm.
A kind of synthetic method for preparing branch shape silver blacker-than-black material that the present invention is disclosed and proposed, those skilled in the art can lead to
Cross reference present disclosure, the appropriate links such as condition route that change are realized, although method and technology of preparing of the invention by compared with
Good examples of implementation are described, related technical personnel obviously can not depart from the content of present invention, in spirit and scope to herein
The methods and techniques route is modified or reconfigures, to realize final technology of preparing.In particular, it should be pointed out that
All similar replacements and change are apparent to those skilled in the art, they are considered as being included in this hair
In bright spirit, range and content.
Claims (5)
1. a kind of synthetic method for preparing branch shape silver blacker-than-black material, it is characterized in that including the following steps:
1) silver nitrate is weighed respectively and vitamin C dissolves in deionized water, before obtaining silver nitrate precursor solution and vitamin C
Drive liquid solution；
2) silver nitrate aqueous solution is added in deionized water, injection vitamin C aqueous solution is reacted under the conditions of magnetic agitation, instead
Solution colour changes after answering, and the molar concentration rate of final vitamin C and silver nitrate is 44~100；
3) the solid precipitating obtained is successively washed and is centrifuged with deionized water, dehydrated alcohol, obtained branch shape silver black sol material
Material is dispersed in dehydrated alcohol.
2. the method as described in claim 1, it is characterized in that obtaining silver nitrate precursor solution concentration is 0.01~0.1 M.
3. the method as described in claim 1, it is characterized in that obtaining vitamin C precursor solution concentration is 0.2~1 M.
4. the method as described in claim 1, it is characterized in that the reaction temperature of step 2) is 25~30 DEG C, the reaction time is 2~
10 minutes.
5. the method as described in claim 1, it is characterized in that the magnetic agitation rotating speed of step 2) is 1300~1500 revs/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910540750.0A CN110181073A (en) | 2019-06-21 | 2019-06-21 | A kind of synthetic method preparing branch shape silver blacker-than-black material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910540750.0A CN110181073A (en) | 2019-06-21 | 2019-06-21 | A kind of synthetic method preparing branch shape silver blacker-than-black material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110181073A true CN110181073A (en) | 2019-08-30 |
Family
ID=67722760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910540750.0A Pending CN110181073A (en) | 2019-06-21 | 2019-06-21 | A kind of synthetic method preparing branch shape silver blacker-than-black material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110181073A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63307206A (en) * | 1987-06-08 | 1988-12-14 | Tanaka Kikinzoku Kogyo Kk | Production of fine silver particles |
| JP2004124160A (en) * | 2002-10-01 | 2004-04-22 | Yukio Kodama | Silver powder consisting of silver grain with indeterminate shape, method for selectively producing the silver powder, and functional material obtained by using the silver powder |
| CN101353814A (en) * | 2008-08-26 | 2009-01-28 | 东北大学 | Method for preparing dendritic nano-silver by liquid phase synthesis |
| CN101579746A (en) * | 2008-05-13 | 2009-11-18 | 中国科学院理化技术研究所 | Method for preparing micron-grade superfine silver powder with shape of pinecone, flower or tree |
| CN104985190A (en) * | 2013-10-30 | 2015-10-21 | 江苏理工学院 | Synthetic method for flower type silver micron particles |
| US20160121402A1 (en) * | 2014-11-03 | 2016-05-05 | University-Industry Cooperation Group Of Kyung Hee University | Method for preparing metal nanoparticles using a multi-functional polymer and a reducing agent |
| CN108031861A (en) * | 2017-12-18 | 2018-05-15 | 中国科学院深圳先进技术研究院 | Metal nano material and preparation method thereof |
| CN109773210A (en) * | 2019-03-01 | 2019-05-21 | 天津工业大学 | A kind of preparation method of the flower shape micro-silver powder with elongated big petal |
| CN109807348A (en) * | 2019-03-01 | 2019-05-28 | 淮海工学院 | A kind of simple environment-friendly preparation method thereof of micro-nano silver |
| CN111438369A (en) * | 2019-01-16 | 2020-07-24 | 北京氦舶科技有限责任公司 | Silver powder, preparation method thereof and laser etching silver paste |
-
2019
- 2019-06-21 CN CN201910540750.0A patent/CN110181073A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63307206A (en) * | 1987-06-08 | 1988-12-14 | Tanaka Kikinzoku Kogyo Kk | Production of fine silver particles |
| JP2004124160A (en) * | 2002-10-01 | 2004-04-22 | Yukio Kodama | Silver powder consisting of silver grain with indeterminate shape, method for selectively producing the silver powder, and functional material obtained by using the silver powder |
| CN101579746A (en) * | 2008-05-13 | 2009-11-18 | 中国科学院理化技术研究所 | Method for preparing micron-grade superfine silver powder with shape of pinecone, flower or tree |
| CN101353814A (en) * | 2008-08-26 | 2009-01-28 | 东北大学 | Method for preparing dendritic nano-silver by liquid phase synthesis |
| CN104985190A (en) * | 2013-10-30 | 2015-10-21 | 江苏理工学院 | Synthetic method for flower type silver micron particles |
| US20160121402A1 (en) * | 2014-11-03 | 2016-05-05 | University-Industry Cooperation Group Of Kyung Hee University | Method for preparing metal nanoparticles using a multi-functional polymer and a reducing agent |
| CN108031861A (en) * | 2017-12-18 | 2018-05-15 | 中国科学院深圳先进技术研究院 | Metal nano material and preparation method thereof |
| CN111438369A (en) * | 2019-01-16 | 2020-07-24 | 北京氦舶科技有限责任公司 | Silver powder, preparation method thereof and laser etching silver paste |
| CN109773210A (en) * | 2019-03-01 | 2019-05-21 | 天津工业大学 | A kind of preparation method of the flower shape micro-silver powder with elongated big petal |
| CN109807348A (en) * | 2019-03-01 | 2019-05-28 | 淮海工学院 | A kind of simple environment-friendly preparation method thereof of micro-nano silver |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Trang et al. | In situ charge transfer at the Ag@ ZnO photoelectrochemical interface toward the high photocatalytic performance of H2 evolution and RhB degradation | |
| Kumari et al. | S-, N-and C-doped ZnO as semiconductor photocatalysts: A review | |
| Ye et al. | Plasmonic nanostructures in solar energy conversion | |
| Zhou et al. | The dispersion of Au nanorods decorated on graphene oxide nanosheets for solar steam generation | |
| Lu et al. | Hollow Au–Cu2O core–shell nanoparticles with geometry-dependent optical properties as efficient plasmonic photocatalysts under visible light | |
| CN103599800B (en) | The preparation method of glass fiber loaded silver-silver bromide-titanium oxide composite material | |
| Xing et al. | Concentrated solar photocatalysis for hydrogen generation from water by titania-containing gold nanoparticles | |
| Zhao et al. | Photothermal effect of nanomaterials for efficient energy applications | |
| CN104741603B (en) | A kind of dissymmetrical structure Tri-metal nanoparticle, preparation method and applications | |
| CN102614933B (en) | Noble metal silver deposition-polypyrrole sensitization hollow titanium dioxide nano photocatalyst and preparation method thereof | |
| Sadrieyeh et al. | Photocatalytic performance of plasmonic Au/Ag-TiO2 aerogel nanocomposites | |
| Dodekatos et al. | Surface plasmon-assisted solar energy conversion | |
| CN105664929B (en) | A kind of nanometer sheet and preparation method thereof containing noble metal | |
| CN106179337B (en) | A kind of TiO2/ Au nanometer rods sea urchin shape heterojunction structure photochemical catalysts and preparation method thereof | |
| Liu et al. | Heterostructure nanocomposite with local surface plasmon resonance effect enhanced photocatalytic activity—a critical review | |
| Wang et al. | A review of applications of plasmonic and conventional nanofluids in solar heat collection | |
| Li et al. | Ag-induced anatase-rutile TiO2− x heterojunction facilitating the photogenerated carrier separation in visible-light irradiation | |
| CN105709782A (en) | Preparing method and application of Ag/AgBr/BiOCl-(001) nanometer composite material | |
| Li et al. | Noble-metal free plasmonic nanomaterials for enhanced photocatalytic applications—A review | |
| Seifikar et al. | One step synthesis of stable nanofluids of Cu, Ag, Au, Ni, Pd, and Pt in PEG using laser ablation in liquids method and study of their capability in solar-thermal conversion | |
| Zhang et al. | Fixed Z-scheme TiO2| Ti| WO3 composite film as recyclable and reusable photocatalyst for highly effective hydrogen production | |
| Ma et al. | Polydopamine-induced fabrication of Ag-TiO2 hollow nanospheres and their application in visible-light photocatalysis | |
| Zhao et al. | Nano-/microstructure improved photocatalytic activities of semiconductors | |
| Zhong et al. | Investigation on multifunctional Au/TiO2@ n-octadecane microcapsules towards catalytic photoreforming hydrogen production and photothermal conversion | |
| CN107570159A (en) | One kind prepares high-performance black TiO2The method of photochemical catalyst |
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: 20190830 |