CN113755932A - Electroplating bath and electroplating suitable for preparing micro-nano motor by template auxiliary method - Google Patents
Electroplating bath and electroplating suitable for preparing micro-nano motor by template auxiliary method Download PDFInfo
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- CN113755932A CN113755932A CN202111157434.9A CN202111157434A CN113755932A CN 113755932 A CN113755932 A CN 113755932A CN 202111157434 A CN202111157434 A CN 202111157434A CN 113755932 A CN113755932 A CN 113755932A
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- 238000009713 electroplating Methods 0.000 title claims abstract description 85
- 238000000034 method Methods 0.000 title claims abstract description 43
- 238000000151 deposition Methods 0.000 claims abstract description 51
- 230000008021 deposition Effects 0.000 claims abstract description 46
- 238000007747 plating Methods 0.000 claims abstract description 26
- 239000004417 polycarbonate Substances 0.000 claims abstract description 21
- 229920000515 polycarbonate Polymers 0.000 claims abstract description 21
- 238000007789 sealing Methods 0.000 claims description 16
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 12
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical group [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 10
- 230000035945 sensitivity Effects 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims description 6
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims description 6
- 239000004327 boric acid Substances 0.000 claims description 6
- 229910021389 graphene Inorganic materials 0.000 claims description 6
- 238000002360 preparation method Methods 0.000 claims description 6
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(1+) nitrate Chemical compound [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 claims description 6
- 229910052938 sodium sulfate Inorganic materials 0.000 claims description 6
- 235000011152 sodium sulphate Nutrition 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- 229910052697 platinum Inorganic materials 0.000 claims description 5
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 claims description 4
- DCRNVZUOGPNBNM-UHFFFAOYSA-K [Au+3].[O-][Cl](=O)=O.[O-][Cl](=O)=O.[O-][Cl](=O)=O Chemical compound [Au+3].[O-][Cl](=O)=O.[O-][Cl](=O)=O.[O-][Cl](=O)=O DCRNVZUOGPNBNM-UHFFFAOYSA-K 0.000 claims description 4
- 150000004706 metal oxides Chemical class 0.000 claims description 4
- -1 polytetrafluoroethylene Polymers 0.000 claims description 4
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 4
- 229910021607 Silver chloride Inorganic materials 0.000 claims description 3
- 229910044991 metal oxide Inorganic materials 0.000 claims description 3
- HKZLPVFGJNLROG-UHFFFAOYSA-M silver monochloride Chemical group [Cl-].[Ag+] HKZLPVFGJNLROG-UHFFFAOYSA-M 0.000 claims description 3
- 229910001961 silver nitrate Inorganic materials 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 2
- 229910000365 copper sulfate Inorganic materials 0.000 claims description 2
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 claims description 2
- PYRZPBDTPRQYKG-UHFFFAOYSA-N cyclopentene-1-carboxylic acid Chemical compound OC(=O)C1=CCCC1 PYRZPBDTPRQYKG-UHFFFAOYSA-N 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims description 2
- 229940071125 manganese acetate Drugs 0.000 claims description 2
- UOGMEBQRZBEZQT-UHFFFAOYSA-L manganese(2+);diacetate Chemical compound [Mn+2].CC([O-])=O.CC([O-])=O UOGMEBQRZBEZQT-UHFFFAOYSA-L 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims 2
- 239000000463 material Substances 0.000 abstract description 4
- 239000010410 layer Substances 0.000 description 8
- 238000004070 electrodeposition Methods 0.000 description 7
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 5
- 229910052737 gold Inorganic materials 0.000 description 5
- 239000010931 gold Substances 0.000 description 5
- 239000011148 porous material Substances 0.000 description 4
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 3
- 229910052709 silver Inorganic materials 0.000 description 3
- 239000003054 catalyst Substances 0.000 description 2
- 239000011889 copper foil Substances 0.000 description 2
- 238000005137 deposition process Methods 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 239000002346 layers by function Substances 0.000 description 2
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical group O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910052961 molybdenite Inorganic materials 0.000 description 2
- 229910052982 molybdenum disulfide Inorganic materials 0.000 description 2
- 229910052755 nonmetal Inorganic materials 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 239000010944 silver (metal) Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000005653 Brownian motion process Effects 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 238000005537 brownian motion Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 239000002071 nanotube Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 235000014612 sandwich biscuits Nutrition 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000002207 thermal evaporation Methods 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D17/00—Constructional parts, or assemblies thereof, of cells for electrolytic coating
- C25D17/02—Tanks; Installations therefor
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D17/00—Constructional parts, or assemblies thereof, of cells for electrolytic coating
- C25D17/10—Electrodes, e.g. composition, counter electrode
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D21/00—Processes for servicing or operating cells for electrolytic coating
- C25D21/12—Process control or regulation
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Automation & Control Theory (AREA)
- Electroplating Methods And Accessories (AREA)
Abstract
The invention relates to a plating bath and a plating method suitable for preparing a micro-nano motor by adopting a template-assisted method. The electroplating method comprises the following specific steps: placing the polycarbonate template with the gold-plated surface in the through hole, adding electroplating solution into the reactor, fixing the reference electrode, the counter electrode and the working electrode and respectively connecting the reference electrode, the counter electrode and the working electrode with the electrochemical workstation, enabling the working electrode to be in contact with the polycarbonate template, starting the electrochemical workstation to perform electroplating deposition, and repeating the steps for multiple times until the electroplating is completed to obtain the micro-nano motor. Compared with the prior art, the invention can continuously carry out multiple times of electroplating and provides a choice for depositing materials for multiple times.
Description
Technical Field
The invention belongs to the field of preparation of nano materials, and particularly relates to an electroplating bath and an electroplating method which are suitable for preparing a micro-nano motor by adopting a template auxiliary method.
Background
The micro-nano motor refers to micro-nano particles capable of converting chemical energy, optical energy, sound energy or other forms of energy into mechanical motion and completing complex tasks, and is generally called as a micro-nano motor because the micro-nano motor is similar to a motor in the traditional sense in function. The micro-nano motor is different from other colloidal particles which only do brownian motion on the micro-nano scale, and can realize the purpose of mechanical motion through the conversion between energy, so the micro-nano motor has very interesting application prospects in the aspects of drug transportation, biosensing, cell separation, environmental management and the like due to the unique motion characteristics and the size advantages of the micro-nano motor.
At present, the preparation methods of the micro-nano motor comprise a curling method, a solution etching method, a dry releasing method and a template assisting method. In the preparation of the tubular micromotor, the template auxiliary method is popular with people in a simple, efficient and mass production mode, but the template auxiliary method needs to combine an electrochemical workstation with electrolyte to complete the work, and the electroplating bath becomes a bridge for connecting the electrochemical workstation and the electrolyte. The previous electroplating tank is mostly in a totally-enclosed environment, and the electroplating tank needs to be disassembled, cleaned and reassembled after each electroplating.
Patent CN102808201A discloses an assembled all-plastic integral electrolytic tank, which comprises a tank body including a base, an electrolytic tank inner container and a plurality of partition walls, wherein the plurality of partition walls are arranged on the base to form an inner container frame, the electrolytic tank inner container is arranged in the inner container frame, and the upper part of the electrolytic tank inner container is open. The patent is suitable for industrial large-scale electrochemical deposition, can carry out a series of deposition processes, is limited in the application range of the invention only in the preparation of the tubular micromotor by a template-assisted method, has the advantages of simple operation, continuous electrodeposition, simple and convenient cleaning after each electrodeposition, and capability of fixing the polycarbonate template in the electroplating bath, thereby ensuring that the deposition process is more stable.
Disclosure of Invention
The invention aims to provide a plating bath suitable for preparing a micro-nano motor by adopting a template auxiliary method.
The purpose of the invention is realized by the following technical scheme:
the utility model provides a plating bath that is suitable for with adopt template auxiliary method preparation micro-nano motor mutually, the plating bath includes base, reactor and elastic sealing circle, the reactor sets up on the base, the middle part of reactor is run through and is offered the cavity that is used for holding the plating solution, the top of cavity is open, elastic sealing circle sets up the bottom at the cavity along circumference. This plating bath adopts semi-enclosed structure, and the base is solid promptly, and the reactor is the fretwork, in the during operation, need add the plating solution to the reactor, and the outflow of plating solution can be prevented to the elastic sealing circle.
The electroplating bath further comprises a screw and a butterfly nut, the screw is inserted into the positioning hole and the connecting hole from bottom to top, and the butterfly nut is arranged at the top of the screw.
The cavity is step-shaped, and top-down divides into chamber and lower cavity in proper order, the internal diameter of going up the chamber is less than the internal diameter of chamber down, the elasticity sealing washer is arranged in the chamber down.
The depth of the lower cavity is smaller than the thickness of the elastic sealing ring, so that the elastic sealing ring can be in interference contact with the reactor and the base, and the tightness is guaranteed.
When the inner diameter of the upper chamber is 20mm, the inner diameter of the lower chamber is 26 mm;
when the thickness of the elastic sealing ring is 2mm, the depth of the lower cavity is 1.5 mm.
The inside diameter of the chamber is related to the size of the polycarbonate template used in the template-assisted process, and the reactor holds a maximum volume of 16ml of plating solution, typically 10ml of solution is dosed during electrodeposition.
The base is made of polytetrafluoroethylene.
The base is cuboid and 40 × 15mm in size.
The reactor is made of polytetrafluoroethylene.
The reactor was rectangular parallelepiped in shape with dimensions 40 x 30 mm.
The sizes of the contact surfaces of the base and the reactor are the same, and the heights of the base and the reactor are set according to the conditions.
The chamber is also provided with a bracket, the bracket is used for fixing a reference electrode, a counter electrode or a working electrode when electroplating is carried out, and the bracket can be a common micro bracket.
Another object of the present invention is to provide an electroplating method for preparing a micro-nano motor based on an electroplating bath, wherein the electroplating method specifically comprises: placing a polycarbonate template with a gold-plated surface at the bottom of a chamber, adding electroplating solution into the chamber of a reactor, fixing a reference electrode, a counter electrode and a working electrode (the positions of the reference electrode, the counter electrode and the working electrode can be placed according to conditions), inserting the reference electrode, the counter electrode and the working electrode into the electroplating solution, respectively connecting the reference electrode, the counter electrode and the working electrode with an electrochemical workstation, contacting the working electrode with the polycarbonate template, starting the electrochemical workstation for electroplating deposition, pouring out the electroplating solution after one-time electroplating is completed, adding new electroplating solution for second electroplating, and repeating for multiple times until the electroplating is completed to obtain the micro-nano motor. The gold plating on the polycarbonate template is intended to act as a conductive layer in the electrochemical deposition. In the process of preparing the micro-nano motor, the adopted template is similar to a porous culture dish, namely, a pore channel exists in the template, thermal evaporation gold plating is plated on the surface of the template, electrodeposition is to form a substance by ionizing ions and combining the ions on the pore wall of the pore channel of the template again, each pore channel is similar to a sandwich biscuit, the micro-nano motor grows completely after drying, the template is dissolved by dichloromethane after a conducting layer is removed, and only dispersed tubular micro-nano motors are left.
The reference electrode is AgCl and is connected with a white line of the electrochemical workstation, the counter electrode is platinum (adopting a platinum wire) and is connected with a red line of the electrochemical workstation, and the working electrode is copper or aluminum (adopting a copper foil or an aluminum foil with the width of 25 mm) and is connected with a green line of the electrochemical workstation.
The electroplating solution comprises chloroplatinic acid with the concentration of 0.01mol/l and sulfuric acid with the concentration of 0.5 mol/l;
or the electroplating solution comprises sodium sulfate with the concentration of 0.5mol/l, sulfuric acid with the concentration of 0.1mol/l and graphene with the concentration of 5 mol/l;
or the electroplating solution comprises copper sulfate with the concentration of 160g/L and boric acid with the concentration of 20 g/L;
or the plating bath contains NiCl at a concentration of 20g/L2·6H2O, Ni (H) at 515g/L2NSO3)2·4H2O and H with a concentration of 20g/L3BO3；
Or the electroplating solution contains sodium sulfate with the concentration of 0.5mol/l, sulfuric acid with the concentration of 0.1mol/l and aniline with the concentration of 0.1 mol/l;
or the electroplating solution contains manganese acetate with the concentration of 0.1mol/l and sodium sulfate with the concentration of 0.1 mol/l;
or the electroplating solution comprises 0.02mol/l of silver nitrate and 0.02mol/l of boric acid;
or the plating liquid contains gold chlorate of 0.01mol/l concentration and boric acid of 0.01mol/l concentration.
When metal or graphene is deposited on the surface of the polycarbonate template, a constant current method, namely chron, is adopted for electroplating deposition, and the deposition conditions are as follows: the current is 2mA, the deposition time is 200-400s, the sensitivity is 1e-001, and the metal is one or more of Pt, Au, Ag or Cu.
When depositing metal oxide on the surface of the polycarbonate template, performing electroplating deposition by adopting a potentiostatic method, namely i-t, wherein the deposition conditions are as follows: the voltage is 1V, the deposition time is 1000s, the sensitivity is 1e-001, the charge amount is 20C, and MnO can be used as the metal oxide2。
When nonmetallic sulfide is deposited on the surface of the polycarbonate template, electroplating deposition is carried out by adopting a moving point position method, and the deposition conditions are as follows: maximum voltage of 0.3V, minimum voltage of-1.5V, cycle rate of 0.05V/s, cycle period of 10, sensitivity of 1e-001, deposition time of 65s, and non-metal sulfide selected from WS2Or MoS2One or more of; the duration of the deposition is determined by the cycle rate, when the deposition is carried out at a cycle rate of 0.01V/sThe time is about 330 s.
Compared with the prior art, the invention has the following advantages:
(1) the plating bath can be used for continuously carrying out multiple times of plating to obtain the multi-layer structure micro-nano motor, has simple structure, low manufacturing cost, firmness and corrosion resistance, and provides a choice for multiple times of material deposition.
(2) The invention takes the polycarbonate template as a carrier, controls the voltage and time of deposition through an electrochemical workstation, deposits multilayer nanotube materials in a three-electrode connection electroplating bath, and has convenient operation.
(3) The invention can clean in time after each electrodeposition and then continue the deposition of the next material, and has simple and convenient operation.
Drawings
FIG. 1 is a cross-sectional view of a plating cell at a location adjacent to a side edge thereof;
FIG. 2 is a cross-sectional view of the plating cell at a location near the center thereof;
FIG. 3 is a cross-sectional view of the plating bath from a top view;
FIG. 4 is a perspective view of the base;
FIG. 5 is a perspective view of the reactor;
fig. 6 is a schematic diagram of the prepared micro-nano motor;
7-9 are the deposition results of silver, gold and graphene obtained in example 2 in sequence;
FIG. 10 shows the deposition of manganese dioxide obtained in example 3;
FIG. 11 is Au @ MnO obtained in example 42Deposition results of micro-nano motors.
In the figure: 1-a base; 101-a positioning hole; 2-a reactor; 201-upper chamber; 202-a lower chamber; 203-connecting hole; 3-an elastic sealing ring; 4-a screw; 5-butterfly nuts; 6-a gasket; 7-a functional layer; 8-a guiding layer; 9-catalyst layer.
Detailed Description
The invention is described in detail below with reference to the figures and specific embodiments.
Example 1
As shown in fig. 1, 2, 3, 4, and 5, an electroplating bath suitable for preparing a micro-nano motor by a template-assisted method includes a base 1, a reactor 2, an elastic sealing ring 3, a screw 4, and a wing nut 5, wherein the reactor 2 is disposed on the base 1, a plurality of connecting holes 203 are disposed at corners of the reactor 2, a positioning hole 101 adapted to the connecting hole 203 is disposed on the base 1, the screw 4 (with a long diameter) is inserted into the connecting hole 203 and the positioning hole 101, the wing nut 5 is disposed at an end of the screw 4 (in this embodiment, the wing nut is disposed at a bottom, a gasket 6 is disposed between the wing nut 5 and the base, and a gasket 6 is also disposed between a head of the screw and the reactor), a chamber for containing an electroplating solution is disposed at a middle of the reactor 2, a top of the chamber is open, the chamber is step-shaped, and is sequentially divided into an upper chamber 201 and a lower chamber 202 from top to bottom, the inner diameter of the upper chamber 201 is smaller than that of the lower chamber 202, the elastic sealing ring 3 is circumferentially positioned in the lower chamber 202, the depth of the lower chamber 202 is smaller than the thickness of the elastic sealing ring 3, and a bracket (omitted in the figure) can be arranged in the chamber. The base 1 and the reactor 2 are made of polytetrafluoroethylene, the base is in a cuboid shape and 40 × 15mm in size, the reactor is in a cuboid shape and 40 × 30mm in size, the elastic sealing ring 3 is made of rubber, the inner diameter of the upper chamber 201 is 20mm, the inner diameter of the lower chamber 202 is 26mm, the thickness of the elastic sealing ring 3 is 2mm, and the depth of the lower chamber is 1.5 mm.
The embodiment also provides an electroplating method for preparing the micro-nano motor based on the electroplating bath, and the electroplating method specifically comprises the following steps: placing a polycarbonate template with a gold-plated surface at the bottom of a chamber, adding electroplating solution into the chamber of a reactor, fixing a reference electrode, a counter electrode and a working electrode on a support, inserting the reference electrode, the counter electrode and the working electrode into the electroplating solution, respectively connecting the reference electrode, the counter electrode and the working electrode with an electrochemical workstation, connecting the reference electrode with a white line of the electrochemical workstation by adopting AgCl, connecting the counter electrode with a red line of the electrochemical workstation by adopting platinum (adopting a platinum wire), connecting the working electrode with a green line of the electrochemical workstation by adopting copper or aluminum (adopting copper foil or aluminum foil with the width of 25 mm), contacting the working electrode with the polycarbonate template, starting the electrochemical workstation for electroplating deposition, pouring out the electroplating solution after primary electroplating, adding new electroplating solution for secondary electroplating, repeating for multiple times until electroplating is completed, the obtained micro-nano motor has a structure shown in fig. 6, and sequentially comprises a functional layer, a guide layer and a catalyst layer from outside to inside, wherein the actual composition of each layer is related to the selection of electroplating solution.
The composition of the plating solution is shown in Table 1.
TABLE 1 composition List of the plating solutions
The expression "mass g/volume ml" in the tables means either weighed by mass or weighed by volume.
Example 2
When metal is deposited on the surface of the polycarbonate template, electroplating deposition is carried out by adopting a constant current method, and the deposition conditions are as follows: the current is 2mA, the deposition time is 200-400s, the sensitivity is 1e-001, the metal is one or more of Pt, Au, Ag or Cu, and FIGS. 7, 8 and 9 are specific deposition results, wherein FIG. 7 is obtained by silver nitrate deposition, FIG. 8 is obtained by gold chlorate deposition, and FIG. 9 is obtained by graphene deposition.
Example 3
When non-metal oxide or metal oxide is deposited on the surface of the polycarbonate template, electroplating deposition is carried out by adopting a potentiostatic method, and the deposition conditions are as follows: the voltage is 1V, the deposition time is 1000s, the sensitivity is 1e-001, the charge amount is 20C, and MnO can be used as the metal oxide2Fig. 10 is a specific deposition outcome, wherein fig. 10 is obtained using acetic acid-based hard deposition.
Example 4
When nonmetallic sulfide is deposited on the surface of the polycarbonate template, electroplating deposition is carried out by adopting a moving point position method, and the deposition conditions are as follows: maximum voltage of 0.3V, minimum voltage of-1.5V, cycle rate of 0.05V/s, cycle period of 10, sensitivity of 1e-001, deposition time of 65s, and nonmetallic sulfide selected from WS2Or MoS2One or more of; the time is determined by the circulation rate, the deposition time is about 330s at the circulation rate of 0.01V/s, and fig. 11 is a specific deposition result, wherein fig. 11 is Au @ MnO obtained by sequentially depositing gold chlorate and acetic acid2。
The embodiments described above are described to facilitate an understanding and use of the invention by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention based on the disclosure of the present invention.
Claims (10)
1. The utility model provides a plating bath that is suitable for with adopt template auxiliary method preparation micro-nano motor looks, its characterized in that, the plating bath includes base, reactor and elastic seal circle, the reactor sets up on the base, the middle part of reactor runs through and offers the cavity that is used for holding the plating solution, the top of cavity is open, elastic seal circle sets up the bottom at the cavity along circumference.
2. The electroplating bath suitable for preparing the micro-nano motor by the template-assisted method according to claim 1, wherein a plurality of connecting holes are formed in corners of the reactor in a penetrating manner, positioning holes matched with the connecting holes are formed in the base in a penetrating manner, the electroplating bath further comprises screws and butterfly nuts, the screws are inserted into the positioning holes and the connecting holes, and the butterfly nuts are arranged at ends of the screws.
3. The electroplating bath suitable for preparing the micro-nano motor by the template-assisted method according to claim 1, wherein the chamber is step-shaped and sequentially divided into an upper chamber and a lower chamber from top to bottom, the inner diameter of the upper chamber is smaller than that of the lower chamber, and the elastic sealing ring is positioned in the lower chamber.
4. The electroplating bath suitable for preparing the micro-nano motor by the template-assisted method according to claim 3, wherein the depth of the lower cavity is smaller than the thickness of the elastic sealing ring.
5. The electroplating bath suitable for preparing the micro-nano motor by the template-assisted method according to claim 1, wherein a support is further arranged in the chamber.
6. The electroplating bath suitable for preparing the micro-nano motor by the template-assisted method according to claim 1, wherein the base and the reactor are made of polytetrafluoroethylene;
the elastic sealing ring is made of rubber.
7. An electroplating method for preparing a micro-nano motor based on the electroplating tank as claimed in any one of claims 1 to 6, wherein the electroplating method specifically comprises the following steps: placing a polycarbonate template with a gold-plated surface in the bottom of a chamber, adding electroplating solution into the chamber of a reactor, fixing a reference electrode, a counter electrode and a working electrode, inserting the reference electrode, the counter electrode and the working electrode into the electroplating solution, respectively connecting the reference electrode, the counter electrode and the working electrode with an electrochemical workstation, contacting the working electrode with the polycarbonate template, starting the electrochemical workstation for electroplating deposition, pouring out the electroplating solution after one-time electroplating is completed, adding new electroplating solution for second electroplating, and repeating for multiple times until the electroplating is completed to obtain the micro-nano motor.
8. The electroplating method for preparing the micro-nano motor according to claim 7, wherein the reference electrode is AgCl, the counter electrode is platinum, and the working electrode is copper or aluminum.
9. The electroplating method for preparing the micro-nano motor according to claim 7, wherein the electroplating solution comprises chloroplatinic acid with a concentration of 0.01mol/l and sulfuric acid with a concentration of 0.5 mol/l;
or the electroplating solution comprises sodium sulfate with the concentration of 0.5mol/l, sulfuric acid with the concentration of 0.1mol/l and graphene with the concentration of 5 mol/l;
or the electroplating solution comprises copper sulfate with the concentration of 160g/L and boric acid with the concentration of 20 g/L;
or the plating bath contains NiCl at a concentration of 20g/L2·6H2O, Ni (H) at 515g/L2NSO3)2·4H2O and H with a concentration of 20g/L3BO3；
Or the electroplating solution contains sodium sulfate with the concentration of 0.5mol/l, sulfuric acid with the concentration of 0.1mol/l and aniline with the concentration of 0.1 mol/l;
or the electroplating solution contains manganese acetate with the concentration of 0.1mol/l and sodium sulfate with the concentration of 0.1 mol/l;
or the electroplating solution comprises 0.02mol/l of silver nitrate and 0.02mol/l of boric acid;
or the plating liquid contains gold chlorate of 0.01mol/l concentration and boric acid of 0.01mol/l concentration.
10. The electroplating method for preparing the micro-nano motor according to claim 7, wherein when metal or graphene is deposited on the surface of the polycarbonate template, electroplating deposition is performed by a constant current method, and the deposition conditions are as follows: the current is 2mA, and the deposition time is 200 and 400 s;
when depositing metal oxide on the surface of the polycarbonate template, electroplating deposition is carried out by adopting a potentiostatic method, wherein the deposition conditions are as follows: the voltage is 1V, the deposition time is 1000s, the sensitivity is 1e-001, and the charge amount is 20C as a control amount;
when nonmetallic sulfide is deposited on the surface of the polycarbonate template, electroplating deposition is carried out by adopting a moving point position method, and the deposition conditions are as follows: the maximum voltage is 0.3V, the minimum voltage is-1.5V, the cycle rate is 0.05V/s, the cycle period is 10, the sensitivity is 1e-001, and the deposition time is 65 s.
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| US20120211467A1 (en) * | 2009-08-25 | 2012-08-23 | The Regents Of The University Of California | Nanomotor-based patterning of surface microstructures |
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| US20180117379A1 (en) * | 2017-02-11 | 2018-05-03 | Mahmoud Amouzadeh Tabrizi | Fabrication of nanomotors and applications thereof |
| CN109504953A (en) * | 2018-12-10 | 2019-03-22 | 华南师范大学 | A kind of ZnO-Ni optical drive micro-pipe motor and preparation method thereof |
| CN109580740A (en) * | 2018-12-19 | 2019-04-05 | 南京工业大学 | High-ratio surface hollow tubular micron motor, preparation method and application |
| CN110611455A (en) * | 2019-09-23 | 2019-12-24 | 南京工业大学 | Hollow tubular MnO of cubic Ag nano-particle inner surface2Micron-based motor and preparation thereof |
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| US20120211467A1 (en) * | 2009-08-25 | 2012-08-23 | The Regents Of The University Of California | Nanomotor-based patterning of surface microstructures |
| US20180117379A1 (en) * | 2017-02-11 | 2018-05-03 | Mahmoud Amouzadeh Tabrizi | Fabrication of nanomotors and applications thereof |
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| CN109504953A (en) * | 2018-12-10 | 2019-03-22 | 华南师范大学 | A kind of ZnO-Ni optical drive micro-pipe motor and preparation method thereof |
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