CN106112007A - A kind of preparation method of silver nanoparticle dendrite - Google Patents

A kind of preparation method of silver nanoparticle dendrite Download PDF

Info

Publication number
CN106112007A
CN106112007A CN201610678573.9A CN201610678573A CN106112007A CN 106112007 A CN106112007 A CN 106112007A CN 201610678573 A CN201610678573 A CN 201610678573A CN 106112007 A CN106112007 A CN 106112007A
Authority
CN
China
Prior art keywords
preparation
silver
copper rod
monovalence
silver nanoparticle
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.)
Withdrawn
Application number
CN201610678573.9A
Other languages
Chinese (zh)
Inventor
岳佐星
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201610678573.9A priority Critical patent/CN106112007A/en
Publication of CN106112007A publication Critical patent/CN106112007A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • B22F1/05—Metallic powder characterised by the size or surface area of the particles
    • B22F1/054—Nanosized particles
    • B22F1/0553—Complex form nanoparticles, e.g. prism, pyramid, octahedron
    • 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
    • B22F1/07—Metallic powder characterised by particles having a nanoscale microstructure
    • 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)
  • Inorganic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)

Abstract

The invention provides the preparation method of a kind of silver nanoparticle dendrite, comprise the following steps: the cleaning treatment of (1) copper rod: copper rod is cleaned with acetone, ethanol, dilute hydrochloric acid, distilled water respectively under Ultrasonic Conditions；(2) preparation of silver nanoparticle dendrite: at room temperature, is dissolved in monovalence silver salt in distilled water, and stirring makes described monovalence silver salt fully dissolve, and is configured to the solution that concentration is 0.01 mol/L ~ 0.1mol/L；Cleaned described copper rod is put in the test tube of 5mL, instill monovalence silver salt solution with glue head dropper, react 5 ~ 120 seconds under room temperature；After reaction terminates, there is the copper rod of atrament with distilled water flushing growth, naturally dry, obtain described nanocrystal.Preparation method of the present invention, has repeatability high, easy and simple to handle, synthesizes low cost, is suitable for industrial applications；Prepared silver nanoparticle dendrite specific surface area is big, can be fully contacted with determinand, make electrocatalytic reaction the most efficient.

Description

A kind of preparation method of silver nanoparticle dendrite
Technical field
The present invention relates to the preparation method of a kind of silver nanoparticle dendrite.
Background technology
Silver is a kind of important precious metal material, and up to now, the Ag nanocrystal pattern prepared has a lot, such as, Nanocube, nano-plates, nano wire, nanometer rods, nano-particle etc..In various special nanostructureds, Ag nanodendrites Paid close attention to widely because it has bigger specific surface area, it is provided that good connection, and make these connect can be Multiple application is worked, such as biosensor, chemical sensor, surface plasma and super-hydrophobic film, with self assembly Layering and the dendritic material etc. of repetition superstructure.
Electrochemical sensor has higher sensitivity, and minimum analysis detection limit is up to 10 ~ 12mol/L, and instrument and equipment is simpler Single, cheap, the debugging of instrument and operation are the simplest, easily realize automatization, and the amount needing reagent is few, can be used for trace Operation, the wide ranges of measurement, and have good selectivity, reliability and longer life expectancy.Pass just because of electrochemistry Sensor has the feature of these excellences so that it applies in a lot of fields, wherein applies in solid state chemistry sensor field Extensively, the commercialization of a lot of solid-state electrochemical sensors, such as glucose sensor, comes out it at glucose sensor Before, patient need to use so-called " Ban Shi tests the glucose in urine estimation technique " to instruct insulin injection amount, and this method is the most loaded down with trivial details, and The blood glucose measuring human body with electrochemical glucose sensor is the most very convenient.
And silver nano material is applied to the monitoring of blood sugar concentration, wherein silver nanoparticle dendrite is very popular, is also to grind from now on The emphasis place studied carefully.At present, prior art is reported some sides being obtained Ag nanodendrites by electrochemistry and physical method Method.
The Chinese patent of Publication No. CN102181891A discloses a kind of silver nanoparticle dendrite surface enhanced raman spectroscopy base End and its production and use, the method preparing silver nanoparticle dendrite by galvanostatic method.Preparation method of the present invention uses permanent electricity Stream sedimentation, with silver nitrate solution as electrolyte, it is not necessary to add any other auxiliary agent, on commercialization ITO electro-conductive glass Electrodeposited Silver nanodendrites.But method is the most comparatively laborious, preparation process is complex.
The Chinese patent of Publication No. CN102031539B discloses a kind of shape-controlled metal Nano silver grain batch system Standby method, is the preparation method utilizing electrochemical reducting reaction silver nanoparticle dendrite.It is by silver nitrate slaine presoma Being dispersed in the aqueous solution containing finite concentration surfactant, with simple metal silver strip as negative electrode, copper sheet is sacrificial anode, At 60 DEG C, carrying out electrochemical reducting reaction, nucleus obtains phase along the growth of particular crystal orientation preferred orientation under the effect of end-capping reagent The silver tree pine-tree structure answered, prepares metastable state silver intermediate species.The most at a certain temperature, by metastable state silver intermediate species Put in alcohol solution, carry out timeliness deformation process, finally give the stable state argent nanoparticle with special construction.Its In the electrolyzer reactant liquor of middle metalline presoma, the concentration of slaine is 0.05～0.1 mol/L；Surfactant concentration It it is 0.2～1 mM/l；Metastable state silver intermediate species product is the dendrite with obvious fractal structure, alcoholic solution timeliness Stable product after process is space net structure Nano silver grain.Described synthetic method needs reducing agent, high temperature or surface to live Property agent, some reducing agents such as sodium borohydride are poisonous, and experimenter not only can be damaged by this, also can bring danger to environment Evil, so, it would be desirable to find a kind of easy and simple to handle, control accurately, low cost, environmentally friendly method.
Summary of the invention
For defect of the prior art, it is an object of the invention to provide the preparation method of a kind of silver nanoparticle dendrite, described Preparation method is simple to operate, with low cost, has preferable using value.
The present invention solves technical problem and adopts the following technical scheme that
The present invention relates to the preparation method of a kind of silver nanoparticle dendrite, comprise the following steps:
(1) cleaning treatment of copper rod: copper rod is cleaned under Ultrasonic Conditions with acetone, ethanol, dilute hydrochloric acid, distilled water respectively；
(2) preparation of silver nanoparticle dendrite: at room temperature, is dissolved in monovalence silver salt in distilled water, and stirring makes described monovalence silver salt Fully dissolve；Cleaned described copper rod is put in the test tube of 5mL, instill monovalence silver salt solution with glue head dropper, under room temperature React 5 ~ 120 seconds；After reaction terminates, there is the copper rod of atrament with distilled water flushing growth, naturally dry, obtain described nanometer Crystallization.
Preferably, in described step (1), the size of copper rod is cross-sectional area 2.5 mm2, length 4 cm.
Preferably, in described step (1), the substance withdrawl syndrome of dilute hydrochloric acid is 2mol/L.
Preferably, described monovalence silver salt is AgNO3。
Preferably, in described step (2), the concentration of the monovalence silver salt solution of preparation is 0.01 mol/L ~ 0.1mol/L.
Preferably, in described step (2), the concentration of the monovalence silver salt solution of preparation is 0.05mol/L.
Preferably, in described step (2), the amount that amount is monovalence silver salt material of the monovalence silver salt solution of dropping is 0.01mmol~0.1mmol。
Preferably, in described step (2), the amount that amount is monovalence silver salt material of the monovalence silver salt solution of dropping is 0.05mmol。
Preferably, in described step (2), the response time of monovalence silver salt and copper rod is 50 ~ 120 seconds.
Preferably, in described step (2), the response time of monovalence silver salt and copper rod is 50 seconds.
Compared with prior art, the present invention has a following beneficial effect:
(1) preparation method of the present invention is carried out at normal temperatures, consumes energy low, and environmentally safe meets the 12 of Green Chemistry Big principle.
(2) copper rod used in the present invention, due to the electric conductivity that it is good, and low cost, be suitable to industrial applications.
(3) preparation method of the present invention, has repeatability high, and material high detection performance is easy and simple to handle, consumes energy low, closes Become low cost, be suitable for industrial extensive preparation；Prepared silver nanoparticle dendrite has bigger specific surface area, as biography Sensor material can be fully contacted with determinand, makes electrocatalytic reaction the most efficient.
Accompanying drawing explanation
By the detailed description non-limiting example made with reference to the following drawings of reading, the further feature of the present invention, Purpose and advantage will become more apparent upon:
Fig. 1 is powder x-ray diffraction (XRD) figure and the energy dispersion X-ray spectrogram of the silver nanoparticle dendrite of embodiment 1 preparation (EDS), wherein (a) XRD figure, (b) EDS schemes；
Fig. 2 is the electron scanning micrograph (SEM) of the low enlargement ratio of the silver nanoparticle dendrite of embodiment 1 preparation；
Fig. 3 is the electron scanning micrograph (SEM) of the high magnification of the silver nanoparticle dendrite of embodiment 1 preparation；
Fig. 4 is the cyclic voltammogram (CV) that silver nanoparticle dendrite prepared by embodiment 1 carries out Electrochemical Detection to glucose；
Wherein, curve 1 is the cyclic voltammetry curve not adding glucose in sodium hydroxide solution,
Curve 2 is the cyclic voltammetry curve having added 0.1mM glucose in sodium hydroxide solution,
Curve 3 is the cyclic voltammetry curve having added 0.2mM glucose in sodium hydroxide solution；
Fig. 5 is copper rod and naked copper electrode carries out the time current curve of Electrochemical Detection (i-t) to glucose.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is expanded on further.These embodiments are merely to illustrate the present invention and need not In limiting the scope of the present invention.The experimental technique of unreceipted actual conditions in the following example, generally according to normal condition, such as Sambrook equimolecular is cloned: laboratory manual (New York:Cold Spring Harbor Laboratory Press, 1989) condition described in, or according to the condition proposed by manufacturer.
Embodiment 1:
The present embodiment relates to the preparation method of a kind of silver nanoparticle dendrite, comprises the following steps:
(1) cleaning treatment of copper rod: copper rod is used respectively acetone, ethanol, the dilute hydrochloric acid of 2mol/L, distilled water in Ultrasonic Conditions Lower cleaning；
(2) preparation of silver nanoparticle dendrite: at room temperature, is dissolved in 0.85g silver nitrate in 100mL distilled water, and stirring makes described Monovalence silver salt fully dissolves, and is configured to the silver nitrate solution of 0.05mol/L；It is 2.5 mm by cleaned cross-sectional area2, long Degree is put into for 4cm copper rod in the test tube of 5mL, and the 0.05mol/L silver nitrate solution glue head dropper taking 1mL instills in test tube, often 50s is reacted under temperature；After reaction terminates, there is the copper rod of atrament with distilled water flushing growth, naturally dry, obtain target and produce Thing.
The target product that the present embodiment obtains is silver nanoparticle dendrite, as shown in Figure 1；And gained silver nanoparticle dendrite morphology is uniform Be grown on copper rod, as shown in Figures 2 and 3.And silver nanoparticle dendrite is prepared by the present invention carries out the inspection of electrochemical sensing character Surveying, detect glucose in the sodium hydroxide solution of pH=13, as shown in Figure 4 and Figure 5, its result shows that this electrode is to glucose Really there is good electrochemical catalysis effect, and fuel cell can be directly used as.
Embodiment 2:
The present embodiment relates to the preparation method of a kind of silver nanoparticle dendrite, comprises the following steps:
(1) cleaning treatment of copper rod: copper rod is used respectively acetone, ethanol, the dilute hydrochloric acid of 2mol/L, distilled water in Ultrasonic Conditions Lower cleaning；
(2) preparation of silver nanoparticle dendrite: at room temperature, is dissolved in 0.17g silver nitrate in 100mL distilled water, and stirring makes described Monovalence silver salt fully dissolves, and is configured to the silver nitrate solution of 0.01mol/L；It is 2.5 mm by cleaned cross-sectional area2, long Degree is put into for 4cm copper rod in the test tube of 5mL, and the 0.01mol/L silver nitrate solution glue head dropper taking 1mL instills in test tube, often 50s is reacted under temperature；After reaction terminates, there is the copper rod of atrament with distilled water flushing growth, naturally dry, obtain silver nanoparticle branch Brilliant.
Embodiment 3:
The present embodiment relates to the preparation method of a kind of silver nanoparticle dendrite, comprises the following steps:
(1) cleaning treatment of copper rod: copper rod is used respectively acetone, ethanol, the dilute hydrochloric acid of 2mol/L, distilled water in Ultrasonic Conditions Lower cleaning；
(2) preparation of silver nanoparticle dendrite: at room temperature, is dissolved in 0.17g silver nitrate in 100mL distilled water, and stirring makes described Monovalence silver salt fully dissolves, and is configured to the silver nitrate solution of 0.01mol/L；It is 2.5 mm by cleaned cross-sectional area2, long Degree is put into for 4cm copper rod in the test tube of 5mL, and the 0.01mol/L silver nitrate solution glue head dropper taking 1mL instills in test tube, often 120s is reacted under temperature；After reaction terminates, there is the copper rod of atrament with distilled water flushing growth, naturally dry, obtain silver nanoparticle Dendrite.
Embodiment 4:
The present embodiment relates to the preparation method of a kind of silver nanoparticle dendrite, comprises the following steps:
(1) cleaning treatment of copper rod: copper rod is used respectively acetone, ethanol, the dilute hydrochloric acid of 2mol/L, distilled water in Ultrasonic Conditions Lower cleaning；
(2) preparation of silver nanoparticle dendrite: at room temperature, is dissolved in 0.17g silver nitrate in 100mL distilled water, and stirring makes described Monovalence silver salt fully dissolves, and is configured to the silver nitrate solution of 0.01mol/L；It is 2.5 mm by cleaned cross-sectional area2, long Degree is put into for 4cm copper rod in the test tube of 5mL, and the 0.01mol/L silver nitrate solution glue head dropper taking 1mL instills in test tube, often 5s is reacted under temperature；After reaction terminates, there is the copper rod of atrament with distilled water flushing growth, naturally dry, obtain silver nanoparticle branch Brilliant.
Embodiment 5:
The present embodiment relates to the preparation method of a kind of silver nanoparticle dendrite, comprises the following steps:
(1) cleaning treatment of copper rod: copper rod is used respectively acetone, ethanol, the dilute hydrochloric acid of 2mol/L, distilled water in Ultrasonic Conditions Lower cleaning；
(2) preparation of silver nanoparticle dendrite: at room temperature, is dissolved in 0.17g silver nitrate in 100mL distilled water, and stirring makes described Monovalence silver salt fully dissolves, and is configured to the silver nitrate solution of 0.01mol/L；It is 2.5 mm by cleaned cross-sectional area2, long Degree is put into for 4cm copper rod in the test tube of 5mL, and the 0.01mol/L silver nitrate solution glue head dropper taking 1mL instills in test tube, often 120s is reacted under temperature；After reaction terminates, there is the copper rod of atrament with distilled water flushing growth, naturally dry, obtain silver nanoparticle Dendrite.
Embodiment 6:
The present embodiment relates to the preparation method of a kind of silver nanoparticle dendrite, comprises the following steps:
(1) cleaning treatment of copper rod: copper rod is used respectively acetone, ethanol, the dilute hydrochloric acid of 2mol/L, distilled water in Ultrasonic Conditions Lower cleaning；
(2) preparation of silver nanoparticle dendrite: at room temperature, is dissolved in 0.17g silver nitrate in 100mL distilled water, and stirring makes described Monovalence silver salt fully dissolves, and is configured to the silver nitrate solution of 0.1mol/L；It is 2.5 mm by cleaned cross-sectional area2, length Putting into for 4cm copper rod in the test tube of 5mL, the 0.1mol/L silver nitrate solution glue head dropper taking 1mL instills in test tube, under room temperature Reaction 50s；After reaction terminates, there is the copper rod of atrament with distilled water flushing growth, naturally dry, obtain silver nanoparticle dendrite.
Take silver nanoparticle dendrite prepared by above-described embodiment, carry out electron microscope observation.Result see table:
Embodiment Electron microscopic findings
Embodiment 1 The pattern of silver nanoparticle dendrite is grown on copper rod uniformly
Embodiment 2 Silver nanoparticle dendrite is considerably less, and the most a lot of nano-particle generate
Embodiment 3 Silver nanoparticle dendrite is the thickest and is packed together
Embodiment 4 There is no dendritic crystalline, entirely granule
Embodiment 5 Silver nanoparticle dendrite is the thickest and is packed together
Embodiment 6 Silver nanoparticle dendrite is the thickest and is packed together
By above-described embodiment it can be seen that the optimum preparating condition of silver nanoparticle dendrite is: at room temperature, by 0.85g silver nitrate It is dissolved in 100mL distilled water, is configured to the silver nitrate solution of 0.05mol/L；It is 2.5 mm by cleaned cross-sectional area2, A length of 4cm copper rod is put in the test tube of 5mL, and the 0.05mol/L silver nitrate solution glue head dropper taking 1mL instills in test tube, 50s is reacted under room temperature；After reaction terminates, there is the copper rod of atrament with distilled water flushing growth, naturally dry.Use the present invention Described preparation method, technique is simple, synthesizes low cost, and reaction condition is gentle, and gained dendrite ratio is more uniform, is suitable for industry metaplasia Produce.
Above the specific embodiment of the present invention is described.It is to be appreciated that the invention is not limited in above-mentioned Particular implementation, those skilled in the art can make various deformation or amendment within the scope of the claims, this not shadow Ring the flesh and blood of the present invention.

Claims (10)

1. the preparation method of a silver nanoparticle dendrite, it is characterised in that: comprise the following steps:
(1) cleaning treatment of copper rod: copper rod is cleaned under Ultrasonic Conditions with acetone, ethanol, dilute hydrochloric acid, distilled water respectively；
(2) preparation of silver nanoparticle dendrite: at room temperature, is dissolved in monovalence silver salt in distilled water, and stirring makes described monovalence silver salt Fully dissolve；Cleaned described copper rod is put in the test tube of 5mL, instill monovalence silver salt solution with glue head dropper, under room temperature React 5 ~ 120 seconds；After reaction terminates, there is the copper rod of atrament with distilled water flushing growth, naturally dry, obtain described nanometer Crystallization.
The preparation method of silver nanoparticle dendrite the most according to claim 1, it is characterised in that: copper rod in described step (1) A size of cross-sectional area 2.5 mm2, length 4 cm.
The preparation method of silver nanoparticle dendrite the most according to claim 1, it is characterised in that: dilute hydrochloric acid in described step (1) Substance withdrawl syndrome be 2mol/L.
The preparation method of silver nanoparticle dendrite the most according to claim 1, it is characterised in that: described monovalence silver salt is AgNO3。
The preparation method of silver nanoparticle dendrite the most according to claim 1, it is characterised in that: preparation in described step (2) The concentration of monovalence silver salt solution is 0.01 mol/L ~ 0.1mol/L.
The preparation method of silver nanoparticle dendrite the most according to claim 5, it is characterised in that: preparation in described step (2) The concentration of monovalence silver salt solution is 0.05mol/L.
The preparation method of silver nanoparticle dendrite the most according to claim 1, it is characterised in that: dropping in described step (2) The amount of monovalence silver salt solution be the amount of monovalence silver salt material be 0.01mmol ~ 0.1mmol.
The preparation method of silver nanoparticle dendrite the most according to claim 7, it is characterised in that: dropping in described step (2) The amount of monovalence silver salt solution be the amount of monovalence silver salt material be 0.05mmol.
The preparation method of silver nanoparticle dendrite the most according to claim 1, it is characterised in that: monovalence silver in described step (2) Salt is 50 ~ 120 seconds with the response time of copper rod.
The preparation method of silver nanoparticle dendrite the most according to claim 9, it is characterised in that: monovalence silver in described step (2) Salt is 50 seconds with the response time of copper rod.
CN201610678573.9A 2016-08-17 2016-08-17 A kind of preparation method of silver nanoparticle dendrite Withdrawn CN106112007A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610678573.9A CN106112007A (en) 2016-08-17 2016-08-17 A kind of preparation method of silver nanoparticle dendrite

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610678573.9A CN106112007A (en) 2016-08-17 2016-08-17 A kind of preparation method of silver nanoparticle dendrite

Publications (1)

Publication Number Publication Date
CN106112007A true CN106112007A (en) 2016-11-16

Family

ID=57278528

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610678573.9A Withdrawn CN106112007A (en) 2016-08-17 2016-08-17 A kind of preparation method of silver nanoparticle dendrite

Country Status (1)

Country Link
CN (1) CN106112007A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109559614A (en) * 2018-10-08 2019-04-02 凌洲 Cell reaction metallic dendrite structure sample and preparation method thereof
CN109848436A (en) * 2019-03-01 2019-06-07 淮海工学院 A method of preparing silver nanoparticle band
CN113406055A (en) * 2021-06-22 2021-09-17 西安邮电大学 Preparation method of secondary reduced tin-silver dendrite nanostructure for enhancing Raman spectrum
CN113433110A (en) * 2021-06-22 2021-09-24 西安邮电大学 Preparation method for generating substrate with honeysuckle dendritic crystal flower-like nano structure by in-situ substitution method
CN115360364A (en) * 2022-10-21 2022-11-18 深圳市氢蓝时代动力科技有限公司 Preparation method of dendritic silver-manganese catalyst

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109559614A (en) * 2018-10-08 2019-04-02 凌洲 Cell reaction metallic dendrite structure sample and preparation method thereof
CN109848436A (en) * 2019-03-01 2019-06-07 淮海工学院 A method of preparing silver nanoparticle band
CN113406055A (en) * 2021-06-22 2021-09-17 西安邮电大学 Preparation method of secondary reduced tin-silver dendrite nanostructure for enhancing Raman spectrum
CN113433110A (en) * 2021-06-22 2021-09-24 西安邮电大学 Preparation method for generating substrate with honeysuckle dendritic crystal flower-like nano structure by in-situ substitution method
CN115360364A (en) * 2022-10-21 2022-11-18 深圳市氢蓝时代动力科技有限公司 Preparation method of dendritic silver-manganese catalyst

Similar Documents

Publication Publication Date Title
CN106112007A (en) A kind of preparation method of silver nanoparticle dendrite
CN106226382B (en) Nano porous copper/Cu (OH)2Nano-wire array sensor electrode material and preparation method thereof
Beitollahi et al. Electroanalysis and simultaneous determination of 6-thioguanine in the presence of uric acid and folic acid using a modified carbon nanotube paste electrode
Song et al. Ag nanoparticles coated NiO nanowires hierarchical nanocomposites electrode for nonenzymatic glucose biosensing
Weina et al. A novel β-MnO2 micro/nanorod arrays directly grown on flexible carbon fiber fabric for high-performance enzymeless glucose sensing
CN106324059B (en) A kind of preparation method of glucose sensor electrode without enzyme material
CN108144620B (en) Preparation method of foamed nickel loaded composite nano metal oxide electrode material
Karimi-Maleh et al. Electrocatalytic determination of glutathione using multiwall carbon nanotubes paste electrode as a sensor and isoprenaline as a mediator
Zhu et al. Ordered mesoporous carbon paste electrodes for electrochemical sensing and biosensing
Wang et al. A nonenzymatic glucose sensing platform based on Ni nanowire modified electrode
CN109085223B (en) Preparation method of implantable biosensor
CN106238747A (en) The preparation method of a kind of multistage copper/nano cuprous oxide wire material and glucose sensor electrode based on this material
CN104359966A (en) Method for preparing glucose sensor with precious metal doped zinc oxide nanorod
CN104237345A (en) Production of low-density carbon nanotube array composite electrode and application of same and in glucose sensor
Bai et al. Voltammetric determination of chloramphenicol using a carbon fiber microelectrode modified with Fe 3 O 4 nanoparticles
Kuppuswamy et al. A ZIF-67 derived Co 3 O 4 dodecahedron shaped microparticle electrode based extended gate field-effect transistor for non-enzymatic glucose detection towards the diagnosis of diabetes mellitus
Patella et al. Nanowire ordered arrays for electrochemical sensing of H2O2
CN113447552A (en) Enzyme-free glucose electrochemical sensor and preparation method thereof
CN102706936B (en) Preparation method of copper-copper oxide composite electrode
CN106241855A (en) A kind of preparation method of cuprous sulfide nanometer rose flower
Lu et al. Direct electrochemistry and bioelectrocatalysis of horseradish peroxidase entrapped in a self-supporting nanoporous gold electrode: a new strategy to improve the orientation of immobilized enzymes
Bai et al. Fabrication of graphene coated carbon fiber microelectrode for highly sensitive detection application
CN111999357A (en) Preparation method of nano silver wire array sensor and application of nano silver wire array sensor in ascorbic acid biomolecule determination
CN106568815B (en) A kind of cobalt nickel bimetal sulfide organophosphorus pesticide biosensor and preparation method
CN110841664A (en) Cu2O @ BiOI composite material and preparation method and application thereof

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WW01 Invention patent application withdrawn after publication
WW01 Invention patent application withdrawn after publication

Application publication date: 20161116