CN110203880B - Method for preparing CD-ROM magnetic control integrated micro-nano motor - Google Patents
Method for preparing CD-ROM magnetic control integrated micro-nano motor Download PDFInfo
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- CN110203880B CN110203880B CN201910498592.7A CN201910498592A CN110203880B CN 110203880 B CN110203880 B CN 110203880B CN 201910498592 A CN201910498592 A CN 201910498592A CN 110203880 B CN110203880 B CN 110203880B
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- nano motor
- porous anodic
- aluminum oxide
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- 238000000034 method Methods 0.000 title claims abstract description 23
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims abstract description 21
- 238000000151 deposition Methods 0.000 claims abstract description 12
- 230000008021 deposition Effects 0.000 claims abstract description 7
- 229910017390 Au—Fe Inorganic materials 0.000 claims abstract description 4
- 239000008367 deionised water Substances 0.000 claims abstract description 4
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 4
- 238000010438 heat treatment Methods 0.000 claims abstract description 4
- 238000004544 sputter deposition Methods 0.000 claims abstract description 4
- 238000005406 washing Methods 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 4
- 238000000137 annealing Methods 0.000 claims description 3
- 238000004070 electrodeposition Methods 0.000 claims description 3
- 235000003891 ferrous sulphate Nutrition 0.000 claims description 3
- 239000011790 ferrous sulphate Substances 0.000 claims description 3
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 claims description 3
- 229910000359 iron(II) sulfate Inorganic materials 0.000 claims description 3
- 230000005653 Brownian motion process Effects 0.000 claims description 2
- 238000005537 brownian motion Methods 0.000 claims description 2
- 238000005266 casting Methods 0.000 claims description 2
- 230000003287 optical effect Effects 0.000 claims description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims 1
- 238000005286 illumination Methods 0.000 abstract description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 abstract 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract 2
- 239000003153 chemical reaction reagent Substances 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012377 drug delivery Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005307 ferromagnetism Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B81—MICROSTRUCTURAL TECHNOLOGY
- B81C—PROCESSES OR APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OR TREATMENT OF MICROSTRUCTURAL DEVICES OR SYSTEMS
- B81C1/00—Manufacture or treatment of devices or systems in or on a substrate
- B81C1/00015—Manufacture or treatment of devices or systems in or on a substrate for manufacturing microsystems
- B81C1/00134—Manufacture or treatment of devices or systems in or on a substrate for manufacturing microsystems comprising flexible or deformable structures
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N11/00—Generators or motors not provided for elsewhere; Alleged perpetua mobilia obtained by electric or magnetic means
- H02N11/006—Motors
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Micromachines (AREA)
Abstract
A method for preparing a CD-ROM magnetic control integrated micro-nano motor belongs to the technical field of nano motors. Sputtering an Ag layer on the outer surface of the porous anodic aluminum oxide template, pouring an Au solution into each placing hole of the porous anodic aluminum oxide template, depositing and fixing, pouring a Fe solution into each placing hole of the porous anodic aluminum oxide template, depositing and fixing, heating the porous anodic aluminum oxide template to convert the Fe solution after deposition and fixation into iron oxide, washing the porous anodic aluminum oxide template and the Ag layer through deionized water to dissolve and corrode, and thus obtaining a plurality of Au-Fe oxide bimetallic rods, namely micro-nano motors. The invention can move under illumination and realize steering under the control of a magnetic field, and has considerable movement speed.
Description
Technical Field
The invention relates to a method for preparing a CD-ROM magnetic control integrated micro-nano motor, belonging to the technical field of micro-nano motors.
Background
The 2016 prize on nobel chemistry awarded molecular machines that studied the smallest machines in the world, which pushed the booming to the study of micro-machines on a micro-nano scale. The micro-nano motor is a micro-nano device capable of converting energy in other forms into kinetic energy to generate autonomous motion. Due to the unique property, the compound has many attractive application prospects in aspects of drug delivery, biosensing, micro-repair and the like.
Since the discovery of the micro-nano Au-Pt bimetallic bars by Paxton et al in 2004, researchers have learned much about micro-nano motors. People find that the micro-nano motor individual movement modelThe formula can reach dozens, so far, the motor energy source is mainly found to come from two types: one is a chemical field represented by a particle concentration gradient on the surface of colloidal particles, and the other is by applying an additional ultrasonic field, a thermal field, a magnetic field, light irradiation, or the like. The chemically driven micro-nano motor generally has a higher speed, but needs chemical reagents and reaction, so the micro-nano motor faces huge problems in the fields of real biological medical treatment and the like; the micro-nano motor driven by an external source does not use H 2 O 2 Chemical reagents such as the chemical reagent can also accurately control the motion direction of the motor, so that the micro-nano motor can stimulate the motor to automatically move mostly through an external physical field at present.
Disclosure of Invention
In order to solve the problems in the background technology, the invention provides a method for preparing a CD-ROM magnetic control integrated micro-nano motor.
The invention adopts the following technical scheme: a method for preparing an optical drive magnetic control integrated micro-nano motor comprises the following steps:
the method comprises the following steps: sputtering an Ag layer on the inner surface of each placing hole of the porous anodic aluminum oxide template;
step two: pouring Au solution into each placing hole of the porous anodic aluminum oxide template, and depositing and fixing the Au solution by an electrodeposition method for 10-20 minutes;
step three: pouring Fe solution into each placing hole of the porous anodic aluminum oxide template, and carrying out deposition and fixation by a method of electrolytic reduction of ferrous sulfate, wherein the deposition time is 30 minutes;
step four: annealing and heating the porous anodic aluminum oxide template to convert the deposited and fixed Fe solution into Fe oxide;
step five: and washing the porous anodic aluminum oxide template and the Ag layer by deionized water to dissolve and corrode, thus obtaining a plurality of Au-Fe oxide bimetallic rods, namely the micro-nano motor.
Compared with the prior art, the invention has the beneficial effects that: the invention can move under illumination and realize steering under the control of a magnetic field, and has considerable movement speed.
Drawings
FIG. 1 is a schematic diagram of a process for preparing a CD-ROM magnetic control integrated micro-nano motor;
fig. 2 is a structural view of a micro-nano motor according to the present invention.
Detailed Description
The technical solutions in the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the invention, rather than all embodiments, and all other embodiments obtained by those skilled in the art without any creative work based on the embodiments of the present invention belong to the protection scope of the present invention.
The first specific implementation way is as follows: as shown in fig. 1-2, the invention discloses a method for preparing a CD-ROM magnetic control integrated micro-nano motor, which comprises the following steps:
the method comprises the following steps: sputtering an Ag layer 2 on the inner surface of each placing hole of the porous anodic aluminum oxide template 1;
step two: pouring Au solution 4 into each placing hole of the porous anodic aluminum oxide template 1, and depositing and fixing by an electrodeposition method for 10-20 minutes;
step three: pouring Fe solution 3 into each placing hole of the porous anodic aluminum oxide template 1, and carrying out deposition and fixation by a method of electrolytic reduction of ferrous sulfate, wherein the deposition time is 30 minutes;
step four: annealing and heating the porous anodic aluminum oxide template 1 to convert the deposited and fixed Fe solution 3 into Fe oxide 5;
step five: and washing the porous anodic aluminum oxide template 1 and the Ag layer 2 by deionized water to dissolve and corrode, thus obtaining a plurality of Au-Fe oxide bimetallic rods, namely the micro-nano motor 6.
The second embodiment is as follows: as shown in fig. 1, this embodiment further illustrates a first embodiment, wherein the Ag layer 2 has a thickness of 200nm.
The third concrete implementation mode: as shown in fig. 1, this embodiment is a further description of the first embodiment, and the Au solution 4 and the Fe solution 3 poured in each placing hole of the porous anodized aluminum stencil 1 have the same height.
The fourth concrete implementation mode is as follows: in this embodiment, the third embodiment is further explained, and the casting heights of the Au solution 4 and the Fe solution 3 are both 1.5 μm.
The fifth concrete implementation mode: in this embodiment, the diameter of each of the placing holes of the porous anodized aluminum template 1 is 500nm to 40 μm.
The sixth specific implementation mode: the first embodiment is further explained in the present embodiment, when the micro-nano motor 6 is suspended in H 2 O 2 When the micro-nano motor is in the solution, if no light is emitted, the micro-nano motor 6 only presents Brownian motion; in the presence of light, the micro-nano motor 6 can move in the direction of the Fe oxide 5 at a speed of several tens of micrometers per second. Specific movement speed is illuminated by light intensity and H 2 O 2 The concentration influence.
When an external magnetic field is applied, the magnetic field is generated due to Fe 3 O 4 The micro-nano motor 6 has ferromagnetism, can be arranged according to the direction of a magnetic field line, and can control the steering of the micro-nano motor 6 by changing the external magnetic field.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. A method for preparing an optical drive magnetic control integrated micro-nano motor is characterized by comprising the following steps: the method comprises the following steps:
the method comprises the following steps: sputtering an Ag layer (2) on the inner surface of each placing hole of the porous anodic aluminum oxide template (1);
step two: pouring Au solution (4) into each placing hole of the porous anodic aluminum oxide template (1), and depositing and fixing the Au solution by an electrodeposition method for 10-20 minutes;
step three: pouring Fe solution (3) into each placing hole of the porous anodic aluminum oxide template (1), and carrying out deposition and fixation by a method of electrolytic reduction of ferrous sulfate, wherein the deposition time is 30 minutes;
step four: annealing and heating the porous anodic aluminum oxide template (1) to convert the deposited and fixed Fe solution (3) into Fe oxide (5);
step five: and washing the porous anodic aluminum oxide template (1) and the Ag layer (2) by deionized water to dissolve and corrode, thus obtaining a plurality of Au-Fe oxide bimetallic rods, namely the micro-nano motor (6).
2. The method for preparing the CD-ROM magnetic control integrated micro-nano motor according to claim 1, which is characterized in that: the thickness of the Ag layer (2) is 200nm.
3. The method for preparing the CD-ROM magnetic control integrated micro-nano motor according to claim 1, which is characterized in that: the heights of the Au solution (4) and the Fe solution (3) poured in each placing hole of the porous anodic aluminum oxide template (1) are the same.
4. The method for preparing the CD-ROM magnetic control integrated micro-nano motor according to claim 3, which is characterized in that: the casting heights of the Au solution (4) and the Fe solution (3) are both 1.5 mu m.
5. The method for preparing the CD-ROM magnetic control integrated micro-nano motor according to claim 1 or 3, which is characterized in that: the diameter of each placing hole of the porous anodic alumina template (1) is 500nm-40 μm.
6. The method for preparing the CD-ROM magnetic control integrated micro-nano motor according to claim 1, which is characterized in that: when the micro-nano motor (6) is suspended in H 2 O 2 When the solution is in, if no light is emitted, the micro-nano motor (6) only shows Brownian motion; if light irradiation exists, the micro-nano motor (6) moves towards the direction of the Fe oxide (5).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2019104833943 | 2019-06-04 | ||
| CN201910483394 | 2019-06-04 |
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| Publication Number | Publication Date |
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| CN110203880A CN110203880A (en) | 2019-09-06 |
| CN110203880B true CN110203880B (en) | 2022-11-11 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101192002B (en) * | 2007-12-12 | 2011-06-01 | 吉林大学 | Preparation method of magnetism remotely-controlled drive microstructure |
| CN102925933B (en) * | 2012-11-05 | 2015-03-04 | 福州大学 | Au-FeNi double-section type alloy nano motor and production method thereof |
| WO2018146537A1 (en) * | 2017-02-11 | 2018-08-16 | Mahmoud Amouzadeh Tabrizi | Fabrication of nanomotors and applications thereof for surface writing |
| CN108462407B (en) * | 2018-03-13 | 2019-07-12 | 武汉理工大学 | Utilize the method for magnetic responsiveness topology track guidance micro-nano motor |
| CN108669091B (en) * | 2018-05-03 | 2021-01-19 | 华南师范大学 | Preparation method of spirulina-based micron motor for sterilization |
| CN108448943A (en) * | 2018-05-03 | 2018-08-24 | 华南师范大学 | It is light-initiated from driving Janus micro-nanos motor of electrophoresis and preparation method thereof and Properties Control method |
| CN108609578B (en) * | 2018-05-03 | 2020-11-10 | 华南师范大学 | Preparation method of multistage micro-nano motor |
| 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 |
| CN109534407B (en) * | 2019-01-04 | 2022-07-08 | 哈尔滨工业大学（深圳） | Preparation method and application of rod-shaped magnetic ferroferric oxide material |
| CN109568591B (en) * | 2019-01-14 | 2020-08-25 | 中国科学院化学研究所 | Soft micro-nano motor and preparation method thereof |
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Application publication date: 20190906 Assignee: Guangxi Baixin New Materials Co.,Ltd. Assignor: BAISE University Contract record no.: X2023980046196 Denomination of invention: A preparation method for optical drive magnetic control integrated micro nano motor Granted publication date: 20221111 License type: Common License Record date: 20231108 |
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