CN107497644B - Flexible self-driver prepared based on electrostatic spraying method - Google Patents
Flexible self-driver prepared based on electrostatic spraying method Download PDFInfo
- Publication number
- CN107497644B CN107497644B CN201710875164.2A CN201710875164A CN107497644B CN 107497644 B CN107497644 B CN 107497644B CN 201710875164 A CN201710875164 A CN 201710875164A CN 107497644 B CN107497644 B CN 107497644B
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- Prior art keywords
- ion exchange
- exchange membrane
- p3ht
- film
- silver electrode
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/002—Pretreatement
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/02—Processes for applying liquids or other fluent materials performed by spraying
- B05D1/04—Processes for applying liquids or other fluent materials performed by spraying involving the use of an electrostatic field
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/24—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials
Abstract
A flexible self-driver prepared based on an electrostatic spraying method relates to a flexible driver. The device is provided with an ion exchange membrane, a silver electrode, a P3HT and PCBM mixed material, an ITO film, a PET film, a wire and a switch; the PET film and the ITO film adopt ITO flexible conductive films, and the PET film and the ITO film are cut, etched and cleaned to form a standby base film; the P3HT and PCBM mixed material is sprayed on the ITO film by an electrostatic spraying method; the ion exchange membrane is positioned in the middle of the flexible self-driver, and conductive silver colloid is coated on the surface of the ion exchange membrane to serve as a silver electrode of the ion exchange membrane; one side of the silver electrode is connected with the ion exchange membrane, and the other side of the silver electrode is connected with the P3HT and PCBM mixed material; one end of the lead is connected with the silver electrode, the other end of the lead is connected with the ITO film, and a switch is connected in the middle for controlling the on-off of the circuit.
Description
Technical Field
The present invention relates to flexible drives, and in particular to flexible self-drives prepared based on electrostatic spray methods.
Background
At present, the traditional power drive mainly comprises three drive modes of a motor, hydraulic pressure and air pressure, the traditional drive usually has very high control precision, but the traditional drive has the advantages of high general rigidity, poor flexibility, large volume and large noise (Zhou Zhihao, wang Qining, wanglong, a flexible controllable joint drive, CN103029126A [ P ]. 2014.), in addition, the three drive modes also need external energy supply, however, the novel flexible self-drive can make up the defects of the traditional drive.
The electrostatic spraying technology is one kind of electrohydraulic power coupling technology, and is characterized by that when the external electric field is used to induce liquid to produce deformation at nozzle, when the electric field force exceeds the Rayleigh limit, the liquid is sprayed from nozzle, and because the sprayed liquid has identical charges, in the course of air flight, the liquid can be split into uniform micro-droplets, then deposited on the collecting plate to form uniform film (Huang Weiwei. Experimental study of electrostatic atomization process and gas-sensitive property of zinc oxide film [ D. ]. Xiamen: xiamen university, 2015.), and the electrostatic spraying as a production method can produce large-area film and patterned film.
Disclosure of Invention
The invention aims to provide a flexible self-driver prepared by an electrostatic spraying method, which can generate bending deformation when the driver is irradiated with light and a switch is closed, and the driver can self-drive without an additional driving circuit and an external power supply.
The invention is provided with an ion exchange membrane, a silver electrode, a P3HT and PCBM mixed material, an ITO film, a PET film, a wire and a switch;
the PET film and the ITO film adopt an ITO flexible conductive film (PET), and the PET film and the ITO film are cut, etched and cleaned to form a standby base film;
the P3HT and PCBM mixed material is sprayed on the ITO film by an electrostatic spraying method;
the ion exchange membrane is positioned in the middle of the flexible self-driver, and conductive silver colloid is coated on the surface of the ion exchange membrane to serve as a silver electrode of the ion exchange membrane;
one side of the silver electrode is connected with the ion exchange membrane, and the other side of the silver electrode is connected with the P3HT and PCBM mixed material;
one end of the lead is connected with the silver electrode, the other end of the lead is connected with the ITO film, and a switch is connected in the middle for controlling the on-off of the circuit.
The ITO film is connected with the silver electrode to form a series circuit so as to improve the self-driving potential difference of the driver.
The area of the PET film is larger than that of the ion exchange membrane, and the P3HT and PCBM mixed material, the silver electrode and the ion exchange membrane are packaged through hot-pressing the PET film.
When the ITO flexible conductive film (PET) is irradiated by light, the P3HT and PCBM mixed material absorbs photons to generate excitons, electrons are transited from the lowest electron unoccupied orbit of the P3HT to the highest electron occupied orbit of the P3HT, holes are formed in the lowest electron unoccupied orbit of the P3HT, the electrons are then transmitted from the highest electron occupied orbit of the P3HT to the highest electron occupied orbit of the PCBM, finally, the electrons are transmitted to the silver electrode to be collected, and meanwhile, the holes are transmitted to the ITO electrode. When the switch is closed, the ITO electrode and the silver electrode on one side of the ion exchange membrane are connected to form a loop to generate potential difference, and hydrated cations in the ion exchange membrane move to the cathode under the action of the potential difference so that the whole membrane is bent and deformed towards the anode.
The invention has the advantages that:
1) Compared with the traditional driver, the flexible self-driver prepared based on the electrostatic spraying method has the advantages of small volume, light weight, no noise, flexibility, capability of generating large movement displacement and no need of external energy supply for driving.
2) The large-area patterning preparation of the driver can be realized by an electrostatic spraying method.
3) When light is irradiated, the bending deformation of the driver can be conveniently controlled by controlling the opening and closing of the switch.
4) The flexible self-driver prepared based on the electrostatic spraying method can solve the problem of ion loss of the ion exchange membrane exposed in the air for a long time through final encapsulation.
Drawings
Fig. 1 is a schematic structural view of an embodiment of the present invention.
Detailed Description
As shown in fig. 1, the embodiment of the invention is provided with an ion exchange membrane 5, a silver electrode 4, a mixed material 3 of P3HT and PCBM, an ITO film 2, a PET film 1, a lead 6 and a switch 7;
the PET film 1 and the ITO film 2 are made of ITO flexible conductive films (PET), and the PET film 1 and the ITO film 2 are cut, etched and cleaned to form a standby base film; the P3HT and PCBM mixed material 3 is sprayed on the ITO film 2 by an electrostatic spraying method; the ion exchange membrane 5 is positioned in the middle of the flexible self-driver, and conductive silver colloid is coated on the surface of the ion exchange membrane 5 to serve as a silver electrode 4 of the ion exchange membrane 5; one side of the silver electrode 4 is connected with the ion exchange membrane 5, and the other side of the silver electrode 4 is connected with the P3HT and PCBM mixed material 3; one end of the lead 6 is connected with the silver electrode 4, the other end of the lead 6 is connected with the ITO film 2, and a switch is connected in the middle for controlling the on-off of the circuit. The ITO film 2 is connected with the silver electrode 4 to form a series circuit so as to improve the driving potential difference of the driver. The area of the PET film 1 is larger than that of the ion exchange membrane 5, and the P3HT and PCBM mixed material 3, the silver electrode 4 and the ion exchange membrane 5 are packaged by hot-pressing the PET film 1.
When the ITO flexible conductive film (PET) is irradiated by light, the P3HT and PCBM mixed material absorbs photons to generate excitons, electrons are transited from the lowest electron unoccupied orbit of the P3HT to the highest electron occupied orbit of the P3HT, holes are formed in the lowest electron unoccupied orbit of the P3HT, the electrons are then transmitted from the highest electron occupied orbit of the P3HT to the highest electron occupied orbit of the PCBM, finally, the electrons are transmitted to the silver electrode to be collected, and meanwhile, the holes are transmitted to the ITO electrode. When the switch is closed, the ITO electrode and the silver electrode on one side of the ion exchange membrane are connected to form a loop to generate potential difference, and hydrated cations in the ion exchange membrane move to the cathode under the action of the potential difference so that the whole membrane is bent and deformed towards the anode.
The PET film 1 and the ITO film 2 are made of ITO flexible conductive films (PET), the films are cut into rectangles with the length of 5cm and the width of 3cm, adhesive tape paper is attached to the parts needing to be left with the ITO film 2, the films are placed in hydrochloric acid solution for etching for 5min, the ITO flexible conductive films (PET) are taken out, the residual hydrochloric acid is removed by clean water, the adhesive tape paper is torn off, and then the films are placed in cleaning agent diluted solution, deionized water, acetone and isopropanol in sequence for ultrasonic cleaning for 30min respectively.
The P3HT and PCBM mixed material 3 adopts a mixed solution with the mass ratio of P3HT to PCBM of 1:1, o-dichlorobenzene as a solvent and the concentration of 2mg/ml, and because all films are not required to be sprayed, a mask plate is covered on the ITO film 2, then the P3HT and PCBM mixed material 3 is sprayed on the ITO film 2 by an electrostatic spraying method, and the parameters of electrostatic spraying are voltage 4kv and electrode spacing 5cm.
The ion exchange membrane 5 adopts a cation exchange membrane, the ion exchange membrane 5 is cut into a rectangle with the length of 3cm and the width of 1cm, the upper surface and the lower surface are polished and cleaned to form a standby matrix membrane layer, and the ion exchange membrane 5 is put into a saturated lithium chloride solution for standing for 24 hours for ion exchange.
The silver electrode 4 is formed by coating conductive silver colloid on one surface of an ion exchange membrane 5, connecting a P3HT and PCBM mixed material 3 on the other surface, heating to 60 ℃ in a drying oven for 12 hours, and solidifying.
One end of the wire 6 is connected to the silver electrode 4 while the silver electrode 4 is prepared, the other end is connected to the ITO film 2, and the intermediate connection switch 7 is used for controlling the on-off of a circuit.
The area of the PET film 1 is larger than that of the ion exchange film 5, the ion exchange film 5 is positioned at the center of the PET film 1, and the P3HT and PCBM mixed material 3, the silver electrode 4 and the ion exchange film 5 are packaged by hot-pressing the PET film 1.
The invention discloses a flexible self-driver prepared based on an electrostatic spraying method, which relates to a flexible driver, and is provided with an ion exchange membrane, a silver electrode, a P3HT and PCBM mixed material, an ITO film, a PET film, a wire and a switch.
Claims (2)
1. The flexible self-driver prepared based on the electrostatic spraying method is characterized by being provided with an ion exchange membrane, a silver electrode, a P3HT and PCBM mixed material, an ITO film, a PET film, a wire and a switch;
the PET film and the ITO film adopt ITO flexible conductive films, and the PET film and the ITO film are cut, etched and cleaned to form a standby base film;
the P3HT and PCBM mixed material is sprayed on the ITO film by an electrostatic spraying method;
the ion exchange membrane is positioned in the middle of the flexible self-driver, and conductive silver colloid is coated on the surface of the ion exchange membrane to serve as a silver electrode of the ion exchange membrane;
one side of the silver electrode is connected with the ion exchange membrane, and the other side of the silver electrode is connected with the P3HT and PCBM mixed material;
one end of the lead is connected with the silver electrode, the other end of the lead is connected with the ITO film, and a switch is connected in the middle for controlling the on-off of the circuit;
the area of the PET film is larger than that of the ion exchange membrane, and the P3HT and PCBM mixed material, the silver electrode and the ion exchange membrane are packaged through hot-pressing the PET film;
the P3HT and PCBM mixed material is prepared by covering a mask plate on an ITO film by adopting a mixed solution with the mass ratio of P3HT to PCBM being 1:1, o-dichlorobenzene as a solvent and the concentration being 2mg/ml, and then spraying the P3HT and PCBM mixed material on the ITO film by an electrostatic spraying method, wherein the parameters of electrostatic spraying are that the voltage is 4kv and the electrode spacing is 5cm.
2. The flexible self-driver of claim 1, wherein the ITO film is connected to a silver electrode to form a series circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710875164.2A CN107497644B (en) | 2017-09-25 | 2017-09-25 | Flexible self-driver prepared based on electrostatic spraying method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710875164.2A CN107497644B (en) | 2017-09-25 | 2017-09-25 | Flexible self-driver prepared based on electrostatic spraying method |
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| Publication Number | Publication Date |
|---|---|
| CN107497644A CN107497644A (en) | 2017-12-22 |
| CN107497644B true CN107497644B (en) | 2023-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710875164.2A Active CN107497644B (en) | 2017-09-25 | 2017-09-25 | Flexible self-driver prepared based on electrostatic spraying method |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104078566A (en) * | 2014-07-02 | 2014-10-01 | 厦门大学 | Method for preparing polymer thin-film solar cell active layer through electrospinning |
| CN105789429A (en) * | 2016-04-08 | 2016-07-20 | 合肥工业大学 | Array flexible curved surface self-sensing driver based on IPMC and preparation method thereof |
-
2017
- 2017-09-25 CN CN201710875164.2A patent/CN107497644B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104078566A (en) * | 2014-07-02 | 2014-10-01 | 厦门大学 | Method for preparing polymer thin-film solar cell active layer through electrospinning |
| CN105789429A (en) * | 2016-04-08 | 2016-07-20 | 合肥工业大学 | Array flexible curved surface self-sensing driver based on IPMC and preparation method thereof |
Non-Patent Citations (2)
| Title |
|---|
| 张丽娜等.《氧化锌和硫化铟薄膜的制备及光电应用》.冶金工业出版社,2017,(第第1版版),第12-13页. * |
| 张春福等.《半导体光伏器件》.西安电子科技大学出版社,2015,(第第1版版),第299-300页. * |
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| Publication number | Publication date |
|---|---|
| CN107497644A (en) | 2017-12-22 |
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