CN112964754A - Synthetic method of flexible ethanol sensor - Google Patents
Synthetic method of flexible ethanol sensor Download PDFInfo
- Publication number
- CN112964754A CN112964754A CN202110182667.8A CN202110182667A CN112964754A CN 112964754 A CN112964754 A CN 112964754A CN 202110182667 A CN202110182667 A CN 202110182667A CN 112964754 A CN112964754 A CN 112964754A
- Authority
- CN
- China
- Prior art keywords
- flexible
- zno
- ethanol sensor
- screen printing
- electrode
- 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.)
- Granted
Links
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 title claims abstract description 138
- 238000010189 synthetic method Methods 0.000 title claims abstract description 6
- 238000000034 method Methods 0.000 claims abstract description 35
- 238000007650 screen-printing Methods 0.000 claims abstract description 29
- 239000000463 material Substances 0.000 claims abstract description 26
- 238000001027 hydrothermal synthesis Methods 0.000 claims abstract description 11
- 238000002360 preparation method Methods 0.000 claims abstract description 10
- 238000000151 deposition Methods 0.000 claims abstract description 8
- 235000019441 ethanol Nutrition 0.000 claims description 38
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 33
- 229910052961 molybdenite Inorganic materials 0.000 claims description 24
- 229910052982 molybdenum disulfide Inorganic materials 0.000 claims description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 22
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 18
- 238000006243 chemical reaction Methods 0.000 claims description 18
- 239000008367 deionised water Substances 0.000 claims description 18
- 229910021641 deionized water Inorganic materials 0.000 claims description 18
- 239000000758 substrate Substances 0.000 claims description 18
- 239000000843 powder Substances 0.000 claims description 16
- 238000001035 drying Methods 0.000 claims description 13
- 229910052709 silver Inorganic materials 0.000 claims description 13
- 239000004332 silver Substances 0.000 claims description 13
- 230000002194 synthesizing effect Effects 0.000 claims description 13
- ZOIORXHNWRGPMV-UHFFFAOYSA-N acetic acid;zinc Chemical compound [Zn].CC(O)=O.CC(O)=O ZOIORXHNWRGPMV-UHFFFAOYSA-N 0.000 claims description 11
- 239000004246 zinc acetate Substances 0.000 claims description 11
- 239000007788 liquid Substances 0.000 claims description 10
- 239000011206 ternary composite Substances 0.000 claims description 10
- UMGDCJDMYOKAJW-UHFFFAOYSA-N thiourea Chemical compound NC(N)=S UMGDCJDMYOKAJW-UHFFFAOYSA-N 0.000 claims description 10
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 9
- 239000006185 dispersion Substances 0.000 claims description 7
- 238000003756 stirring Methods 0.000 claims description 7
- 238000005406 washing Methods 0.000 claims description 7
- 238000005303 weighing Methods 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 6
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 6
- 239000002244 precipitate Substances 0.000 claims description 6
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Natural products NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 5
- RWVGQQGBQSJDQV-UHFFFAOYSA-M sodium;3-[[4-[(e)-[4-(4-ethoxyanilino)phenyl]-[4-[ethyl-[(3-sulfonatophenyl)methyl]azaniumylidene]-2-methylcyclohexa-2,5-dien-1-ylidene]methyl]-n-ethyl-3-methylanilino]methyl]benzenesulfonate Chemical compound [Na+].C1=CC(OCC)=CC=C1NC1=CC=C(C(=C2C(=CC(C=C2)=[N+](CC)CC=2C=C(C=CC=2)S([O-])(=O)=O)C)C=2C(=CC(=CC=2)N(CC)CC=2C=C(C=CC=2)S([O-])(=O)=O)C)C=C1 RWVGQQGBQSJDQV-UHFFFAOYSA-M 0.000 claims description 5
- 239000004642 Polyimide Substances 0.000 claims description 4
- 229920001721 polyimide Polymers 0.000 claims description 4
- 239000002253 acid Substances 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 3
- 150000004687 hexahydrates Chemical class 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 239000011159 matrix material Substances 0.000 claims description 3
- 239000002121 nanofiber Substances 0.000 claims description 3
- 229910052697 platinum Inorganic materials 0.000 claims description 3
- 229910000033 sodium borohydride Inorganic materials 0.000 claims description 3
- 239000012279 sodium borohydride Substances 0.000 claims description 3
- 238000009210 therapy by ultrasound Methods 0.000 claims description 3
- 238000003760 magnetic stirring Methods 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims description 2
- 238000001132 ultrasonic dispersion Methods 0.000 claims description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 abstract description 30
- 239000011787 zinc oxide Substances 0.000 abstract description 15
- 239000002073 nanorod Substances 0.000 abstract description 8
- 229910000510 noble metal Inorganic materials 0.000 abstract description 7
- 230000035945 sensitivity Effects 0.000 abstract description 5
- 238000011068 loading method Methods 0.000 abstract description 3
- 238000002715 modification method Methods 0.000 abstract description 2
- 239000000243 solution Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 3
- -1 polytetrafluoroethylene Polymers 0.000 description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 description 3
- 239000011259 mixed solution Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000004817 gas chromatography Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000001308 synthesis method Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y15/00—Nanotechnology for interacting, sensing or actuating, e.g. quantum dots as markers in protein assays or molecular motors
-
- 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
Abstract
The invention provides a synthetic method of a flexible ethanol sensor, which comprises the following steps: preparing a sensitive material; preparing a flexible electrode; and depositing a sensitive material on the flexible electrode to prepare the flexible ethanol sensor. The preparation method of the sensitive material is based on a hydrothermal method for preparing a zinc oxide nanorod structure, and the zinc oxide nanorod structure is modified through multiple hydrothermal synthesis methods of noble metal loading and doping and heterojunction, so that the selectivity and the sensitivity of the zinc oxide nanorod structure to ethanol are improved. The method has the advantages that the heterostructure is combined with the noble metal loaded modification method, and the MoS is prepared from the graphene-like material2The specific surface area of the material is increased, the sensitivity of the material to gas is improved, meanwhile, the selectivity of the material to gas is increased by utilizing the loaded noble metal PT, finally, the interdigital electrode is printed on the flexible material by a screen printing method, the interdigital electrode and the sensitive material are integrated into a flexible ethanol sensor, the performance is excellent,has wide application prospect.
Description
Technical Field
The invention relates to the field of flexible gas sensors, in particular to a synthetic method of a flexible ethanol sensor.
Background
Ethanol is a gas with special smell, and when people are in a high-concentration ethanol environment for 8 hours, the ethanol can cause serious damage to eyes and respiratory tracts of people. Therefore, it is of course meaningful and valuable to study a sensor for detecting a gas such as ethanol
Common methods of ethanol detection are optical, calorimetric, gas chromatography, and acoustic methods. The methods need special instruments and equipment, and have the problems of high cost, large volume, inconvenience in use, incapability of real-time monitoring, difficulty in wide popularization and application and the like. The device manufactured based on the flexible substrate has the characteristics of flexibility, biocompatibility, attachability, wearability and the like. With the development of materials and preparation processes, flexible electronics gradually exerts great advantages in the medical and health fields, and also plays an important role in real-time monitoring and leakage alarm of gas in the industrial field. However, the existing ethanol sensor has the problems of poor sensitivity, high power consumption and the like.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a synthetic method of a flexible ethanol sensor.
The synthesis method of the flexible ethanol sensor provided by the invention comprises the following steps:
step S1: preparation of Pt-ZnO-MoS2Ternary composite ethanol sensitive material.
Step S2: and preparing the flexible electrode.
Step S3: and depositing a sensitive material on the flexible electrode to prepare the flexible ethanol sensor.
Preferably, the step S1 includes the steps of:
step S101: preparing ZnO powder, namely, respectively weighing zinc acetate and sodium hydroxide at room temperature, adding the zinc acetate and the sodium hydroxide into deionized water according to a preset molar ratio, uniformly mixing the zinc acetate and the sodium hydroxide by magnetic stirring to form a solution, transferring the solution into a reaction kettle, putting the reaction kettle into an oven for hydrothermal reaction, cooling to normal temperature, washing white precipitates in the reaction kettle with deionized water and absolute ethyl alcohol, and drying to obtain a white ZnO powder sample;
step S102: preparation of ZnO-MoS2Weighing the ZnO powder, sodium molybdate dihydrate and thiourea, adding the ZnO powder, the sodium molybdate dihydrate and the thiourea into deionized water for ultrasonic dispersion, adding citric acid, magnetically stirring to form a second solution, transferring the second solution into a reaction kettle, putting the reaction kettle into an oven for hydrothermal reaction, cooling to normal temperature, and precipitating the grey white precipitate in the reaction kettle with deionized water and anhydrous thioureaWashing with water and ethanol, and drying to obtain off-white ZnO-MoS2A powder sample;
step S103: preparing a Pt-ZnO-MoS2 ternary composite material, specifically, weighing the ZnO-MoS2Ultrasonically dispersing the powder in deionized water, then adding chloroplatinic acid hexahydrate to prepare a third solution containing PT, magnetically stirring the third solution, then adding sodium borohydride, magnetically stirring again, then centrifugally washing with deionized water and absolute ethyl alcohol, and drying to obtain an off-white Pt-ZnO-MoS2 sample.
Preferably, the molar ratio of the zinc acetate to the sodium hydroxide is 1: 6.
preferably, in the preparation of the Pt-ZnO-MoS2 ternary composite material, platinum is doped to a ZnO matrix in a mass fraction of 2 wt%.
Preferably, the step S2 includes the steps of:
step S201: drawing a silver interdigital electrode graph and manufacturing a screen printing plate for screen printing;
step S202: cleaning surface impurities of the flexible substrate by using ionized water and absolute ethyl alcohol;
step S203: and depositing a layer of silver interdigital electrode on the surface of the flexible substrate by adopting a screen printing method through the screen printing plate.
Preferably, the width and the electrode spacing of the silver interdigital electrode pattern are both 1 mm.
Preferably, the mesh number of the screen printing plate is 250 meshes.
Preferably, the flexible substrate is polyimide with a thickness of 0.1 mm.
Preferably, the method for screen printing specifically comprises: the distance between the screen printing plate and the screen printing table is adjusted to be about 1.5cm, the angle between the scraper and the screen printing plate is 45 degrees, the conductive silver paste is slightly scraped through the holes by the scraper to screen the electrodes on the substrate, and then the printed substrate is placed into an oven and dried at the temperature of 100 ℃ to obtain the conductive silver paste.
Preferably, the step S3 includes the steps of:
step S301: putting the prepared Pt-ZnO-MoS2 nanofiber sample into a beaker, adding a proper amount of absolute ethyl alcohol, and performing ultrasonic treatment to prepare uniform dispersion liquid;
step S302: absorbing a dispersion liquid sample by a micro liquid inlet device, and dripping the dispersion liquid sample on the interdigital electrode part on the flexible electrode;
step S303: and putting the flexible electrode into an oven for drying to prepare the flexible ethanol sensor.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, zinc oxide nano structures of different growth substrates are prepared based on a hydrothermal method, are modified by methods such as noble metal loading, doping and heterojunction, and finally interdigital electrodes are printed on a flexible material by a screen printing method, so that the flexible material is integrated with a sensitive material into a flexible ethanol sensor.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a flow chart of a method for synthesizing a flexible ethanol sensor according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a flexible ethanol sensor synthesis process in an embodiment of the invention;
fig. 3 is a schematic diagram of an interdigital silver electrode in accordance with an embodiment of the present invention.
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the invention, but are not intended to limit the invention in any way. It should be noted that variations and modifications can be made by persons skilled in the art without departing from the spirit of the invention. All falling within the scope of the present invention.
Fig. 1 is a flowchart of a method for synthesizing a flexible ethanol sensor according to an embodiment of the present invention, and fig. 2 is a schematic diagram of a process for synthesizing a flexible ethanol sensor according to an embodiment of the present invention, as shown in fig. 1 and fig. 2, the method for synthesizing a flexible ethanol sensor according to the present invention includes the following steps:
step 1: preparing a Pt-ZnO-MoS2 ternary composite ethanol sensitive material; the method specifically comprises the following steps:
preparing a pure ZnO nanorod: at room temperature, zinc acetate and sodium hydroxide are respectively weighed and added into 60ml of deionized water according to a certain molar ratio, the mixture is magnetically stirred for 30 minutes, the zinc acetate and the sodium hydroxide are uniformly mixed, the solution is transferred into a 100ml of polytetrafluoroethylene reaction kettle, and the polytetrafluoroethylene reaction kettle is placed into a baking oven for hydrothermal reaction at 120 ℃ for 10 hours. And cooling to normal temperature, washing the white precipitate in the reaction kettle with deionized water and absolute ethyl alcohol for three times, and drying in an oven at 70 ℃ to obtain a white powder sample.
In order to obtain the ZnO-MoS2 nanorod heterostructure, weighing a certain mass of ZnO powder prepared above, 0.5g of sodium molybdate dihydrate and 0.7g of thiourea into 60ml of deionized water, ultrasonically dispersing for 25 minutes, then adding 0.47g of citric acid, magnetically stirring for 15 minutes, transferring the solution into a 100ml of polytetrafluoroethylene reaction kettle, putting the reaction kettle into an oven for 180-degree hydrothermal reaction for 17 hours, cooling to normal temperature, washing off-white precipitates in the reaction kettle with the deionized water and absolute ethyl alcohol for three times, and drying at 60 degrees in the oven to obtain an off-white powder sample.
Preparing a Pt-ZnO-MoS2 ternary composite material: in order to obtain the Pt-ZnO-MoS2 ternary composite material, 0.5g of the prepared ZnO-MoS2 powder is weighed and ultrasonically dispersed in 20ml of deionized water for 25 minutes, and then chloroplatinic acid hexahydrate is added to prepare a mixed solution with a certain PT content, and the mixed solution is magnetically stirred for 30 minutes. 0.01g of sodium borohydride was added to the solution and stirred magnetically for 30 min. Then, the sample is centrifugally washed three times by deionized water and absolute ethyl alcohol and dried at 60 ℃ to obtain an off-white sample.
In the embodiment of the invention, 0.734g and 0.96g (molar ratio is 1: 6) are respectively weighed by zinc acetate and sodium hydroxide in the preparation of the pure ZnO nanorod. In the preparation of the ZnO-MoS2 nanorod heterostructure, the weight of ZnO weighed is 0.334g (Zn: Mo is 2: 1). In the preparation of the Pt-ZnO-MoS2 ternary composite material, the ZnO matrix is doped with platinum in a mass fraction of 2 wt%.
Step 2: and preparing the flexible electrode. The method specifically comprises the following steps: and drawing a silver interdigital electrode pattern by using AI drawing software, and manufacturing a screen printing plate for screen printing. And cleaning impurities on the surface of the flexible substrate by using ionized water and absolute ethyl alcohol, and depositing a layer of silver interdigital electrode on the surface of the flexible substrate by using a screen printing method. The width and the electrode spacing of the silver interdigital electrode pattern are both 1mm, as shown in fig. 3. The mesh number of the screen printing plate is 250 meshes. The flexible substrate is Polyimide (PI) with the thickness of 0.1 mm. The method for depositing a layer of silver interdigital electrodes on the surface of the silver interdigital electrodes by using the screen printing method comprises the steps of adjusting the distance between a screen printing plate and a screen printing table to be about 1.5cm, enabling the angle between a scraper and the screen printing plate to be 45 degrees, slightly scraping conductive silver paste through holes by using the scraper, printing the electrodes on a substrate in a missing mode, then putting the printed substrate into an oven, and drying at the temperature of 100 ℃ to obtain the silver interdigital electrodes.
And step 3: and depositing a sensitive material on the flexible electrode to prepare the flexible ethanol sensor. The method specifically comprises the following steps: putting the prepared Pt-ZnO-MoS2 nanofiber sample into a beaker, adding a proper amount of absolute ethyl alcohol, performing ultrasonic treatment for 25min to prepare uniform dispersion liquid, then sucking some samples by using a micro liquid inlet device, dropwise coating the samples on the interdigital electrode part on the surface of the substrate, putting the interdigital electrode part into a drying oven, and drying at 50 ℃ to prepare the flexible ethanol sensor.
According to the embodiment of the invention, the zinc oxide nanorod structure is prepared based on a hydrothermal method, and is modified through multiple hydrothermal synthesis methods of noble metal loading and doping and heterojunction, so that the selectivity and sensitivity to ethanol are improved. The method has the advantages that the heterostructure is combined with the noble metal loaded modification method, and the MoS is prepared from the graphene-like material2The specific surface area of the material is increased, the sensitivity of the material to gas is improved, meanwhile, the selectivity of the material to gas is increased by utilizing the loaded noble metal PT, finally, the interdigital electrode is printed on the flexible material by a screen printing method, and the interdigital electrode and the sensitive material are integrated into a flexible ethanol sensor, so that the material has excellent performance and wide application prospect.
The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes and modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the invention.
Claims (10)
1. A synthetic method of a flexible ethanol sensor is characterized by comprising the following steps:
step S1: preparation of Pt-ZnO-MoS2Ternary composite ethanol sensitive material.
Step S2: and preparing the flexible electrode.
Step S3: and depositing a sensitive material on the flexible electrode to prepare the flexible ethanol sensor.
2. The method for synthesizing a flexible ethanol sensor according to claim 1, wherein the step S1 comprises the following steps:
step S101: preparing ZnO powder, namely, respectively weighing zinc acetate and sodium hydroxide at room temperature, adding the zinc acetate and the sodium hydroxide into deionized water according to a preset molar ratio, uniformly mixing the zinc acetate and the sodium hydroxide by magnetic stirring to form a solution, transferring the solution into a reaction kettle, putting the reaction kettle into an oven for hydrothermal reaction, cooling to normal temperature, washing white precipitates in the reaction kettle with deionized water and absolute ethyl alcohol, and drying to obtain a white ZnO powder sample;
step S102: preparation of ZnO-MoS2Weighing the ZnO powder, sodium molybdate dihydrate and thiourea, adding the ZnO powder, the sodium molybdate dihydrate and the thiourea into deionized water for ultrasonic dispersion, adding citric acid, magnetically stirring to form a second solution, transferring the second solution into a reaction kettle, putting the reaction kettle into an oven for hydrothermal reaction, cooling to normal temperature, washing off-white precipitate in the reaction kettle with deionized water and absolute ethyl alcohol, and drying to obtain off-white ZnO-MoS2A powder sample;
step S103: preparing a Pt-ZnO-MoS2 ternary composite material, specifically, weighing the ZnO-MoS2Ultrasonically dispersing the powder in deionized water, then adding chloroplatinic acid hexahydrate to prepare a third solution containing PT, magnetically stirring the third solution, adding sodium borohydride, magnetically stirring again, then centrifugally washing with deionized water and absolute ethyl alcohol, and drying to obtain the PT-containing third solutionOff-white Pt-ZnO-MoS2 samples.
3. The method for synthesizing a flexible ethanol sensor according to claim 2, wherein the molar ratio of the zinc acetate to the sodium hydroxide is 1: 6.
4. The method for synthesizing the flexible ethanol sensor according to claim 2, wherein the Pt-ZnO-MoS2 ternary composite material is prepared by doping ZnO matrix with 2 wt% of platinum.
5. The method for synthesizing a flexible ethanol sensor according to claim 1, wherein the step S2 comprises the following steps:
step S201: drawing a silver interdigital electrode graph and manufacturing a screen printing plate for screen printing;
step S202: cleaning surface impurities of the flexible substrate by using ionized water and absolute ethyl alcohol;
step S203: and depositing a layer of silver interdigital electrode on the surface of the flexible substrate by adopting a screen printing method through the screen printing plate.
6. The method for synthesizing the flexible ethanol sensor according to claim 5, wherein the electrode width and the electrode distance of the silver interdigital electrode pattern are both 1 mm.
7. The method for synthesizing the flexible ethanol sensor according to claim 5, wherein the mesh number of the screen printing plate is 250 meshes.
8. The method for synthesizing the flexible ethanol sensor according to claim 5, wherein the flexible substrate is polyimide with a thickness of 0.1 mm.
9. The method for synthesizing the flexible ethanol sensor according to claim 5, wherein the screen printing method is specifically as follows: the distance between the screen printing plate and the screen printing table is adjusted to be about 1.5cm, the angle between the scraper and the screen printing plate is 45 degrees, the conductive silver paste is slightly scraped through the holes by the scraper to screen the electrodes on the substrate, and then the printed substrate is placed into an oven and dried at the temperature of 100 ℃ to obtain the conductive silver paste.
10. The method for synthesizing a flexible ethanol sensor according to claim 1, wherein the step S3 comprises the following steps:
step S301: putting the prepared Pt-ZnO-MoS2 nanofiber sample into a beaker, adding a proper amount of absolute ethyl alcohol, and performing ultrasonic treatment to prepare uniform dispersion liquid;
step S302: absorbing a dispersion liquid sample by a micro liquid inlet device, and dripping the dispersion liquid sample on the interdigital electrode part on the flexible electrode;
step S303: and putting the flexible electrode into an oven for drying to prepare the flexible ethanol sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110182667.8A CN112964754B (en) | 2021-02-09 | 2021-02-09 | Synthesis method of flexible ethanol sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110182667.8A CN112964754B (en) | 2021-02-09 | 2021-02-09 | Synthesis method of flexible ethanol sensor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112964754A true CN112964754A (en) | 2021-06-15 |
| CN112964754B CN112964754B (en) | 2024-01-26 |
Family
ID=76284735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110182667.8A Active CN112964754B (en) | 2021-02-09 | 2021-02-09 | Synthesis method of flexible ethanol sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112964754B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114137038A (en) * | 2021-11-01 | 2022-03-04 | 上海应用技术大学 | Preparation method of porous indium oxide-based ethanol gas sensor and ethanol gas sensor |
| CN115784307A (en) * | 2022-09-08 | 2023-03-14 | 哈尔滨理工大学 | Preparation method and application of platinum or graphene modified two-dimensional petal sheet-shaped molybdenum disulfide sensitive material |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105259218A (en) * | 2015-10-28 | 2016-01-20 | 上海交通大学 | Zinc oxide nanowire-graphene gas sensor and preparation method thereof |
| CN105334245A (en) * | 2015-11-10 | 2016-02-17 | 湖北大学 | Making method for molybdenum oxide nano-fiber paper hydrogen sensor |
| CN107064220A (en) * | 2017-01-23 | 2017-08-18 | 吉林大学 | Using the spherical multi-slice structure ZnO of ultra-fine Au Nanoparticle Modifieds as the acetylene gas sensor and preparation method of sensitive layer |
| CN107884446A (en) * | 2017-11-07 | 2018-04-06 | 钟永松 | A kind of alcohol gas sensor based on multi-element metal oxide sensitive material |
| CN108279417A (en) * | 2018-01-08 | 2018-07-13 | 上海应用技术大学 | The method of ultrasonic measurement thin-walled composite steel tube thickness |
| CN110672670A (en) * | 2019-10-18 | 2020-01-10 | 吉林大学 | Planar flexible room temperature NO based on three-dimensional MXene folded ball/ZnO composite material2Sensor and preparation method thereof |
| CN111398367A (en) * | 2020-04-30 | 2020-07-10 | 中国人民解放军陆军防化学院 | Method for improving molybdenum disulfide gas sensor by adopting niobium and sensing equipment |
| CN112229879A (en) * | 2020-10-21 | 2021-01-15 | 重庆大学 | TiO2-Ti3C2TxComposite film gas sensor and preparation method and application thereof |
-
2021
- 2021-02-09 CN CN202110182667.8A patent/CN112964754B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105259218A (en) * | 2015-10-28 | 2016-01-20 | 上海交通大学 | Zinc oxide nanowire-graphene gas sensor and preparation method thereof |
| CN105334245A (en) * | 2015-11-10 | 2016-02-17 | 湖北大学 | Making method for molybdenum oxide nano-fiber paper hydrogen sensor |
| CN107064220A (en) * | 2017-01-23 | 2017-08-18 | 吉林大学 | Using the spherical multi-slice structure ZnO of ultra-fine Au Nanoparticle Modifieds as the acetylene gas sensor and preparation method of sensitive layer |
| CN107884446A (en) * | 2017-11-07 | 2018-04-06 | 钟永松 | A kind of alcohol gas sensor based on multi-element metal oxide sensitive material |
| CN108279417A (en) * | 2018-01-08 | 2018-07-13 | 上海应用技术大学 | The method of ultrasonic measurement thin-walled composite steel tube thickness |
| CN110672670A (en) * | 2019-10-18 | 2020-01-10 | 吉林大学 | Planar flexible room temperature NO based on three-dimensional MXene folded ball/ZnO composite material2Sensor and preparation method thereof |
| CN111398367A (en) * | 2020-04-30 | 2020-07-10 | 中国人民解放军陆军防化学院 | Method for improving molybdenum disulfide gas sensor by adopting niobium and sensing equipment |
| CN112229879A (en) * | 2020-10-21 | 2021-01-15 | 重庆大学 | TiO2-Ti3C2TxComposite film gas sensor and preparation method and application thereof |
Non-Patent Citations (2)
| Title |
|---|
| 刘海信: "纳米金属氧化物/石墨烯复合柔性透明纸基气敏传感器研究", 《中国博士学位论文全文数据库 工程科技Ⅰ辑》, pages 72 - 88 * |
| 阎鑫: "类石墨烯结构二硫化钼纳米片的研究进展", 《中国钼业》, pages 48 - 52 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114137038A (en) * | 2021-11-01 | 2022-03-04 | 上海应用技术大学 | Preparation method of porous indium oxide-based ethanol gas sensor and ethanol gas sensor |
| CN115784307A (en) * | 2022-09-08 | 2023-03-14 | 哈尔滨理工大学 | Preparation method and application of platinum or graphene modified two-dimensional petal sheet-shaped molybdenum disulfide sensitive material |
| CN115784307B (en) * | 2022-09-08 | 2023-12-26 | 哈尔滨理工大学 | Preparation method and application of platinum or graphene-modified two-dimensional petal flaky molybdenum disulfide sensitive material |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112964754B (en) | 2024-01-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112964754B (en) | Synthesis method of flexible ethanol sensor | |
| Wang et al. | Low-temperature H2S detection with hierarchical Cr-doped WO3 microspheres | |
| KR101191386B1 (en) | Method for forming semiconductor oxide nanofibers of sensors, and gas sensors using the same | |
| Zhao et al. | Highly sensitive nonenzymetic glucose sensing based on multicomponent hierarchical NiCo-LDH/CCCH/CuF nanostructures | |
| CN107561133B (en) | A kind of preparation method and application of precious metal doping WO3 base formaldehyde gas sensitive material | |
| CN105891271A (en) | Resistance-type gas sensor based on graphene, stannic oxide and zinc oxide composite, preparation method and application thereof | |
| Sattarahmady et al. | A non-enzymatic amperometric sensor for glucose based on cobalt oxide nanoparticles | |
| Demir et al. | Humidity sensing properties of CdS nanoparticles synthesized by chemical bath deposition method | |
| CN107219270B (en) | Novel ammonia gas sensor based on reduced graphene oxide-tungsten disulfide composite material and preparation process thereof | |
| CN110031521B (en) | Preparation of acetylcholinesterase biosensor and application of acetylcholinesterase biosensor in detection of organophosphorus | |
| Haarindraprasad et al. | Fabrication of interdigitated high-performance zinc oxide nanowire modified electrodes for glucose sensing | |
| CN102012386A (en) | Preparation method of nitric oxide gas sensor element based on pseudodirected tungsten trioxide nano tape | |
| Chu et al. | Improving ZnO nanorod humidity sensors with Pt nanoparticle adsorption | |
| Zhang et al. | Fabricating a self-supported electrode for detecting ammonia in water based on electrodepositing platinum-polypyrrole on Ni foam | |
| Wei et al. | Ag nanosheets grown on Cu nanowire-based flexible films for sensitive non-enzymatic glucose sensors | |
| CN109632890A (en) | A kind of preparation method of PAA/AgNPs composite and flexible ammonia gas sensor | |
| TWI631329B (en) | Planar dissolved oxygen sensing electrode and manufacturing method thereof | |
| CN110498440A (en) | A kind of zinc oxide air-sensitive membrane material, preparation method and applications | |
| Pato et al. | A practical non-enzymatic, ultra-sensitive molybdenum oxide (MoO3) electrochemical nanosensor for hydroquinone | |
| Gao et al. | Influence of La doping on the ethanol gas sensing properties of CdSnO3 micro-cubes | |
| CN102320648A (en) | Preparation method and application of lanthanum ion-doped zinc oxide porous hollow sphere | |
| Yang et al. | The self-adsorption of ni ultrathin layer on glassy carbon surface and their electrocatalysis toward glucose | |
| CN109594059B (en) | Atomic layer deposition preparation method of heterogeneous sensitive film for triethylamine detection | |
| Feng et al. | Hollow spherical NiCo2O4 and gold nanoparticle composite for electrochemical non-enzymatic glucose and H2O2 sensing | |
| CN103033539A (en) | Preparation method for flexible substrate-based sensitive film for detecting gas at normal temperature |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |