CN105699439A - Preparation method and application of methanol gas sensor based on carbon nitride loaded metal and metal oxide composite - Google Patents
Preparation method and application of methanol gas sensor based on carbon nitride loaded metal and metal oxide composite Download PDFInfo
- Publication number
- CN105699439A CN105699439A CN201610101701.3A CN201610101701A CN105699439A CN 105699439 A CN105699439 A CN 105699439A CN 201610101701 A CN201610101701 A CN 201610101701A CN 105699439 A CN105699439 A CN 105699439A
- Authority
- CN
- China
- Prior art keywords
- preparation
- methanol gas
- gas sensor
- moo
- tio
- 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
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 title claims abstract description 135
- 238000002360 preparation method Methods 0.000 title claims abstract description 32
- 239000002131 composite material Substances 0.000 title claims abstract description 7
- 229910052751 metal Inorganic materials 0.000 title claims description 8
- 239000002184 metal Substances 0.000 title claims description 8
- 229910044991 metal oxide Inorganic materials 0.000 title claims description 6
- 150000004706 metal oxides Chemical class 0.000 title claims description 6
- JMANVNJQNLATNU-UHFFFAOYSA-N oxalonitrile Chemical compound N#CC#N JMANVNJQNLATNU-UHFFFAOYSA-N 0.000 title abstract 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 39
- 238000001514 detection method Methods 0.000 claims abstract description 15
- 239000004408 titanium dioxide Substances 0.000 claims abstract description 9
- 229910000476 molybdenum oxide Inorganic materials 0.000 claims abstract description 6
- PQQKPALAQIIWST-UHFFFAOYSA-N oxomolybdenum Chemical compound [Mo]=O PQQKPALAQIIWST-UHFFFAOYSA-N 0.000 claims abstract description 6
- 238000011065 in-situ storage Methods 0.000 claims abstract description 5
- 239000000843 powder Substances 0.000 claims description 15
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 12
- JKQOBWVOAYFWKG-UHFFFAOYSA-N molybdenum trioxide Inorganic materials O=[Mo](=O)=O JKQOBWVOAYFWKG-UHFFFAOYSA-N 0.000 claims description 12
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 12
- 239000002253 acid Substances 0.000 claims description 10
- 229960000935 dehydrated alcohol Drugs 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 10
- 239000002055 nanoplate Substances 0.000 claims description 7
- 229910052697 platinum Inorganic materials 0.000 claims description 6
- FPCJKVGGYOAWIZ-UHFFFAOYSA-N butan-1-ol;titanium Chemical compound [Ti].CCCCO.CCCCO.CCCCO.CCCCO FPCJKVGGYOAWIZ-UHFFFAOYSA-N 0.000 claims description 5
- 238000001354 calcination Methods 0.000 claims description 5
- 239000000919 ceramic Substances 0.000 claims description 5
- 239000010941 cobalt Substances 0.000 claims description 5
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 5
- 229910052571 earthenware Inorganic materials 0.000 claims description 5
- 238000000227 grinding Methods 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 239000004570 mortar (masonry) Substances 0.000 claims description 5
- 235000011837 pasties Nutrition 0.000 claims description 5
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 235000015393 sodium molybdate Nutrition 0.000 claims description 5
- 239000011684 sodium molybdate Substances 0.000 claims description 5
- TVXXNOYZHKPKGW-UHFFFAOYSA-N sodium molybdate (anhydrous) Chemical compound [Na+].[Na+].[O-][Mo]([O-])(=O)=O TVXXNOYZHKPKGW-UHFFFAOYSA-N 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 5
- 229910021642 ultra pure water Inorganic materials 0.000 claims description 5
- 239000012498 ultrapure water Substances 0.000 claims description 5
- 238000001291 vacuum drying Methods 0.000 claims description 5
- 238000005406 washing Methods 0.000 claims description 5
- 229910017052 cobalt Inorganic materials 0.000 claims description 4
- 150000002696 manganese Chemical class 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 239000002114 nanocomposite Substances 0.000 claims description 3
- 229910021380 Manganese Chloride Inorganic materials 0.000 claims description 2
- GLFNIEUTAYBVOC-UHFFFAOYSA-L Manganese chloride Chemical compound Cl[Mn]Cl GLFNIEUTAYBVOC-UHFFFAOYSA-L 0.000 claims description 2
- 235000002867 manganese chloride Nutrition 0.000 claims description 2
- 239000011565 manganese chloride Substances 0.000 claims description 2
- 229940099607 manganese chloride Drugs 0.000 claims description 2
- 229940099596 manganese sulfate Drugs 0.000 claims description 2
- 235000007079 manganese sulphate Nutrition 0.000 claims description 2
- 239000011702 manganese sulphate Substances 0.000 claims description 2
- MIVBAHRSNUNMPP-UHFFFAOYSA-N manganese(2+);dinitrate Chemical compound [Mn+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O MIVBAHRSNUNMPP-UHFFFAOYSA-N 0.000 claims description 2
- SQQMAOCOWKFBNP-UHFFFAOYSA-L manganese(II) sulfate Chemical compound [Mn+2].[O-]S([O-])(=O)=O SQQMAOCOWKFBNP-UHFFFAOYSA-L 0.000 claims description 2
- 230000035945 sensitivity Effects 0.000 abstract description 5
- 230000004044 response Effects 0.000 abstract description 4
- 239000002135 nanosheet Substances 0.000 abstract 3
- 239000008204 material by function Substances 0.000 abstract 1
- 230000027756 respiratory electron transport chain Effects 0.000 abstract 1
- 238000001179 sorption measurement Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 description 7
- 150000001868 cobalt Chemical class 0.000 description 6
- 239000010408 film Substances 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000006555 catalytic reaction Methods 0.000 description 2
- 238000009614 chemical analysis method Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 231100000419 toxicity Toxicity 0.000 description 2
- 230000001988 toxicity Effects 0.000 description 2
- 206010000087 Abdominal pain upper Diseases 0.000 description 1
- 208000000059 Dyspnea Diseases 0.000 description 1
- 206010013975 Dyspnoeas Diseases 0.000 description 1
- 206010019233 Headaches Diseases 0.000 description 1
- 206010033799 Paralysis Diseases 0.000 description 1
- 206010047513 Vision blurred Diseases 0.000 description 1
- 231100000570 acute poisoning Toxicity 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 238000007084 catalytic combustion reaction Methods 0.000 description 1
- GVPFVAHMJGGAJG-UHFFFAOYSA-L cobalt dichloride Chemical group [Cl-].[Cl-].[Co+2] GVPFVAHMJGGAJG-UHFFFAOYSA-L 0.000 description 1
- UFMZWBIQTDUYBN-UHFFFAOYSA-N cobalt dinitrate Chemical group [Co+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O UFMZWBIQTDUYBN-UHFFFAOYSA-N 0.000 description 1
- 229910001981 cobalt nitrate Inorganic materials 0.000 description 1
- 229910000428 cobalt oxide Inorganic materials 0.000 description 1
- KTVIXTQDYHMGHF-UHFFFAOYSA-L cobalt(2+) sulfate Chemical group [Co+2].[O-]S([O-])(=O)=O KTVIXTQDYHMGHF-UHFFFAOYSA-L 0.000 description 1
- 229940097267 cobaltous chloride Drugs 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 210000001035 gastrointestinal tract Anatomy 0.000 description 1
- 231100000869 headache Toxicity 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 210000000653 nervous system Anatomy 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 210000001034 respiratory center Anatomy 0.000 description 1
- 210000001533 respiratory mucosa Anatomy 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000011540 sensing material Substances 0.000 description 1
- 238000011896 sensitive detection Methods 0.000 description 1
- 210000003491 skin Anatomy 0.000 description 1
- 238000011895 specific detection Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
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
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
- G01N27/12—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon absorption of a fluid; of a solid body in dependence upon reaction with a fluid, for detecting components in the fluid
- G01N27/125—Composition of the body, e.g. the composition of its sensitive layer
- G01N27/127—Composition of the body, e.g. the composition of its sensitive layer comprising nanoparticles
Abstract
The invention relates to a preparation method of a methanol gas sensor, in particular to a gas-sensitive sensor based on a novel two-dimensional composite, and belongs to the technical field of novel nano functional materials and environment detection. The methanol gas sensor is used for detecting content of methanol gas in environment. According to the preparation method, a cobalt-doped molybdenum oxide/titanium dioxide nanosheet composited on carbon nitride in situ is prepared first, and several characteristics of large specific surface area, mesoporous high gas adsorption performance and sensitivity, influenced by gas changing on the surface of the nanosheet, of electron transfer, of the nanosheet are utilized, so that structuring of the gas-sensitive sensor sensitive to methanol gas and quick in response is realized.
Description
Technical field
The preparation method that the present invention relates to a kind of methanol gas sensor。Belong to Nano-function thin films and environmental monitoring technology field。
Background technology
Methanol, the simplest saturated monohydroxy alcohol of architecture, is colourless have the volatile liquid of alcohol smell。Methanol, by well known greatly, has toxicity。Nervous system and the blood system of human body are had the greatest impact by the toxicity of methanol, it through digestive tract, respiratory tract or skin take in all can produce toxic reaction, methanol vapor energy loss victimize respiratory mucosa and vision。Acute poisoning symptom has: headache, feel sick, stomachache, tired, blurred vision so that blind, dyspnea then, ultimately result in respiratory center paralysis and dead。
Detection method for methanol gas mainly has chemical analysis method and instrument testing method。Though chemical analysis method is simple to operate, but sensitivity is not high and the shortcoming such as cannot reuse；Instrument testing method, the methanol gas concentration in air is carried out detection by quantitative by main use methanol gas instrumentation, has highly sensitive, reusable, automaticity advantages of higher, and is widely applied in the middle of commercial production。
For the methanol gas detector that instrument testing method uses, most crucial parts are the gas sensors that methanol gas has qualitative, quantitative response, are namely coated with the gas sensor of different nano-functional material。Gas sensor is a kind of sensor detecting specific gas, and principle is based on the velocity of wave of SAW device and frequency can be drifted about with the change of external environment。It mainly includes semiconductor gas sensor, catalytic combustion type gas sensor and Electro-chemical Gas Sensor etc., and wherein maximum are semiconductor gas sensors。
Sensitivity is the important sign of gas sensor gas-sensitive property。Sensitivity definition is sensor resistance value R in air atmosphereaWith sensor resistance value R in certain density tested gas atmospheregRatio, namely
Therefore, probe into that adsorptivity is strong, stability good, the active height of catalysis, methanol gas had specific recognition and can the gas sensing materials of detection by quantitative, and then preparation have highly sensitive, response quickly, commercial production, human health are had important using value by the methanol gas sensor of the characteristic such as recovery time is short, are also emphasis and the difficult point of environmental monitoring technology area research simultaneously。
Summary of the invention
It is an object of the invention to provide a kind of prepare simple, highly sensitive, detect quickly available in the preparation method of gas sensor of methanol gas detection, prepared sensor, can be used for quick, the Sensitive Detection of methanol gas。Based on this purpose, the method comprises the steps of firstly, preparing a kind of New Two Dimensional nano composite material, i.e. the molybdenum oxide of In-situ reaction cobalt doped/titanium dioxide nanoplate Co-MoO on carbonitride3/TiO2g-C3N4, utilize the specific surface area that this material is big, mesoporous high gas absorption characteristic and electron transmission to be affected many characteristics of sensitivity by the change of material surface gas, it is achieved that methanol gas has the structure of the gas sensor of response sensitive, quick。
The technical solution used in the present invention is as follows:
1., based on a preparation method for the methanol gas sensor of carbonitride carried metal and metal oxide composite, described carbonitride carried metal and metal oxide composite are the two-dimensional nano composite Co-MoO of the molybdenum oxide/titanium dioxide nanoplate of In-situ reaction cobalt doped on carbonitride3/TiO2g-C3N4；
It is characterized in that, described preparation method includes following preparation process:
(1) Co-MoO3/TiO2g-C3N4Preparation；
(2) preparation of methanol gas sensor；
Wherein, step (1) prepares Co-MoO3/TiO2g-C3N4Concretely comprise the following steps:
First, take 0.6 ~ 1.0mmol sodium molybdate and 0.8 ~ 1.2mmol manganese salt joins in 5mL butyl titanate, in whipping process, it is slowly added to 0.5 ~ 0.8mL Fluohydric acid., react in a kettle. at 160 ~ 200 DEG C 18 ~ 24 hours, after being cooled to room temperature, after ultra-pure water and dehydrated alcohol centrifuge washing three times, vacuum drying at 50 DEG C；Secondly, take the dried solid of 150 ~ 250mg and mix with 400mg tripolycyanamide, and grind into powder；Then, putting in Muffle furnace by the powder of grinding, programming rate is 1 ~ 3 DEG C/min, calcines 0.5 ~ 5 hour at 480 ~ 560 DEG C；Finally, the powder after calcining is cooled to room temperature, namely prepares Co-MoO3/TiO2g-C3N4；
Described manganese salt is selected from one of following: manganese sulfate, manganese chloride, manganese nitrate；
Step (2) prepares concretely comprising the following steps of methanol gas sensor:
First, the Co-MoO of preparation in step (1) is taken3/TiO2g-C3N4100mg and 0.5 ~ 2.0mmol chloroplatinic acid is placed in mortar, adds dehydrated alcohol, is coated uniformly on insulating ceramics tube-surface and forms film, at room temperature dry after being ground to pasty state；Then, the platinum filament of earthenware both sides and heater strip are welded with base；Finally, the element welded is placed in detecting instrument, carries out burin-in process by regulating heating voltage to 4.22V, namely prepare methanol gas sensor。
2. the application of the methanol gas sensor prepared by preparation method as claimed in claim 1, it is characterised in that can apply to the detection of methanol gas, detection is limited to 0.006mg/m3。
The useful achievement of the present invention
(1) methanol gas sensor of the present invention preparation is simple, easy to operate, it is achieved that the selective enumeration method quick, sensitive, high to methanol gas, has market development prospect；
(2) present invention is prepared for New Two Dimensional nano material Co-MoO first3/TiO2g-C3N4Fully contact with titanium dioxide nanoplate due to cobalt growth in situ on molybdenum oxide/titanium dioxide nanoplate, utilize the mutual promoting action of both the metal surface plasma body effect of cobalt and molybdenum oxide and titanium dioxide, it is effectively increased semiconductor substrate electron transmission ability and catalysis activity, although solve the relatively larger and mesoporous high gas absorption characteristic of titanium dioxide nanoplate specific surface area suitable in air-sensitive host material, but the technical problem that gas-sensitive activity is not high and impedance variation is unstable；Simultaneously because carbonitride g-C3N4Good electric conductivity, add titanium dioxide nanoplate thereon fully dispersed, greatly increase electron transmission ability, solve the technical problem that air-sensitive host material impedance quickly responds with gas change；And, by the doping of metal platinum, solve the technical problem of specific detection methanol gas。Therefore, effective preparation of this material, there is important scientific meaning and using value。
Detailed description of the invention
Embodiment 1Co-MoO3/TiO2g-C3N4Preparation
First, take 0.6mmol sodium molybdate and 0.8mmol cobalt salt joins in 5mL butyl titanate, in whipping process, it is slowly added to 0.5mL Fluohydric acid., reacts in a kettle. at 160 DEG C 24 hours, after being cooled to room temperature, after ultra-pure water and dehydrated alcohol centrifuge washing three times, vacuum drying at 50 DEG C；Secondly, take the dried solid of 150mg and mix with 400mg tripolycyanamide, and grind into powder；Then, putting in Muffle furnace by the powder of grinding, programming rate is 1 DEG C/min, calcines 5 hours at 480 DEG C；Finally, the powder after calcining is cooled to room temperature, namely prepares Co-MoO3/TiO2g-C3N4；
Described cobalt salt is cobaltous sulfate。
Embodiment 2Co-MoO3/TiO2g-C3N4Preparation
First, take 0.8mmol sodium molybdate and 1.0mmol cobalt salt joins in 5mL butyl titanate, in whipping process, it is slowly added to 0.65mL Fluohydric acid., reacts in a kettle. at 180 DEG C 21 hours, after being cooled to room temperature, after ultra-pure water and dehydrated alcohol centrifuge washing three times, vacuum drying at 50 DEG C；Secondly, take the dried solid of 200mg and mix with 400mg tripolycyanamide, and grind into powder；Then, putting in Muffle furnace by the powder of grinding, programming rate is 2 DEG C/min, calcines 2 hours at 520 DEG C；Finally, the powder after calcining is cooled to room temperature, namely prepares Co-MoO3/TiO2g-C3N4；
Described cobalt salt is cobaltous chloride。
Embodiment 3Co-MoO3/TiO2g-C3N4Preparation
First, take 1.0mmol sodium molybdate and 1.2mmol cobalt salt joins in 5mL butyl titanate, in whipping process, it is slowly added to 0.8mL Fluohydric acid., reacts in a kettle. at 200 DEG C 18 hours, after being cooled to room temperature, after ultra-pure water and dehydrated alcohol centrifuge washing three times, vacuum drying at 50 DEG C；Secondly, take the dried solid of 250mg and mix with 400mg tripolycyanamide, and grind into powder；Then, putting in Muffle furnace by the powder of grinding, programming rate is 3 DEG C/min, calcines 0.5 hour at 560 DEG C；Finally, the powder after calcining is cooled to room temperature, namely prepares Co-MoO3/TiO2g-C3N4；
Described cobalt salt is cobalt nitrate。
The preparation of embodiment 4 methanol gas sensor
First, the Co-MoO of preparation in Example 13/TiO2g-C3N4100mg and 0.5mmol chloroplatinic acid is placed in mortar, adds dehydrated alcohol, is coated uniformly on insulating ceramics tube-surface and forms film, at room temperature dry after being ground to pasty state；Then, the platinum filament of earthenware both sides and heater strip are welded with base；Finally, being placed in detecting instrument by the element welded, carry out burin-in process by regulating heating voltage to 4.22V, namely prepare methanol gas sensor, be applied to the detection of methanol gas, detection is limited to 0.006mg/m3。
The preparation of embodiment 5 methanol gas sensor
First, the Co-MoO of preparation in Example 23/TiO2g-C3N4100mg and 1.2mmol chloroplatinic acid is placed in mortar, adds dehydrated alcohol, is coated uniformly on insulating ceramics tube-surface and forms film, at room temperature dry after being ground to pasty state；Then, the platinum filament of earthenware both sides and heater strip are welded with base；Finally, being placed in detecting instrument by the element welded, carry out burin-in process by regulating heating voltage to 4.22V, namely prepare methanol gas sensor, be applied to the detection of methanol gas, detection is limited to 0.006mg/m3。
The preparation of embodiment 6 methanol gas sensor
First, the Co-MoO of preparation in Example 33/TiO2g-C3N4100mg and 2.0mmol chloroplatinic acid is placed in mortar, adds dehydrated alcohol, is coated uniformly on insulating ceramics tube-surface and forms film, at room temperature dry after being ground to pasty state；Then, the platinum filament of earthenware both sides and heater strip are welded with base；Finally, being placed in detecting instrument by the element welded, carry out burin-in process by regulating heating voltage to 4.22V, namely prepare methanol gas sensor, be applied to the detection of methanol gas, detection is limited to 0.006mg/m3。
Claims (2)
1., based on a preparation method for the methanol gas sensor of carbonitride carried metal and metal oxide composite, described carbonitride carried metal and metal oxide composite are the two-dimensional nano composite Co-MoO of the molybdenum oxide/titanium dioxide nanoplate of In-situ reaction cobalt doped on carbonitride3/TiO2g-C3N4；
It is characterized in that, described preparation method includes following preparation process:
(1) Co-MoO3/TiO2g-C3N4Preparation；
(2) preparation of methanol gas sensor；
Wherein, step (1) prepares Co-MoO3/TiO2g-C3N4Concretely comprise the following steps:
First, take 0.6 ~ 1.0mmol sodium molybdate and 0.8 ~ 1.2mmol manganese salt joins in 5mL butyl titanate, in whipping process, it is slowly added to 0.5 ~ 0.8mL Fluohydric acid., react in a kettle. at 160 ~ 200 DEG C 18 ~ 24 hours, after being cooled to room temperature, after ultra-pure water and dehydrated alcohol centrifuge washing three times, vacuum drying at 50 DEG C；Secondly, take the dried solid of 150 ~ 250mg and mix with 400mg tripolycyanamide, and grind into powder；Then, putting in Muffle furnace by the powder of grinding, programming rate is 1 ~ 3 DEG C/min, calcines 0.5 ~ 5 hour at 480 ~ 560 DEG C；Finally, the powder after calcining is cooled to room temperature, namely prepares Co-MoO3/TiO2g-C3N4；
Described manganese salt is selected from one of following: manganese sulfate, manganese chloride, manganese nitrate；
Step (2) prepares concretely comprising the following steps of methanol gas sensor:
First, the Co-MoO of preparation in step (1) is taken3/TiO2g-C3N4100mg and 0.5 ~ 2.0mmol chloroplatinic acid is placed in mortar, adds dehydrated alcohol, is coated uniformly on insulating ceramics tube-surface and forms film, at room temperature dry after being ground to pasty state；Then, the platinum filament of earthenware both sides and heater strip are welded with base；Finally, the element welded is placed in detecting instrument, carries out burin-in process by regulating heating voltage to 4.22V, namely prepare methanol gas sensor。
2. the application of the methanol gas sensor prepared by preparation method as claimed in claim 1, it is characterised in that can apply to the detection of methanol gas, detection is limited to 0.006mg/m3。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610101701.3A CN105699439B (en) | 2016-02-25 | 2016-02-25 | A kind of preparation method and application of the methanol gas sensor based on carbonitride carried metal and metal oxide composite |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610101701.3A CN105699439B (en) | 2016-02-25 | 2016-02-25 | A kind of preparation method and application of the methanol gas sensor based on carbonitride carried metal and metal oxide composite |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105699439A true CN105699439A (en) | 2016-06-22 |
| CN105699439B CN105699439B (en) | 2018-06-29 |
Family
ID=56222447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610101701.3A Expired - Fee Related CN105699439B (en) | 2016-02-25 | 2016-02-25 | A kind of preparation method and application of the methanol gas sensor based on carbonitride carried metal and metal oxide composite |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105699439B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106442645A (en) * | 2016-12-12 | 2017-02-22 | 南京工业大学 | Gold/porous fibrous graphite-phase carbon nitride composite material and preparation method and application thereof |
| CN108940342A (en) * | 2018-07-19 | 2018-12-07 | 广州大学 | A kind of in-situ doping type cobalt system's fenton catalyst and its synthetic method and application |
| CN110876951A (en) * | 2018-09-06 | 2020-03-13 | 天津大学 | Composite material containing metal oxide, preparation method and application thereof |
| CN113325043A (en) * | 2021-07-19 | 2021-08-31 | 东北师范大学 | Flexible inorganic semiconductor resistance type room temperature gas sensor and preparation method thereof |
| CN113447557A (en) * | 2021-05-27 | 2021-09-28 | 西安电子科技大学芜湖研究院 | Based on hollow six mango star Co3O4Methanol sensor made of material, preparation method and application |
| CN114621262A (en) * | 2020-12-14 | 2022-06-14 | 中国科学院大连化学物理研究所 | Preparation and application of metal nanocluster material for rapidly detecting methanol |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104307552A (en) * | 2014-11-06 | 2015-01-28 | 江苏理工学院 | Method for preparing TiO2/g-C3N4 composite visible light catalyst |
| CN105032468A (en) * | 2015-08-03 | 2015-11-11 | 中南大学 | Cu2O-TiO2/g-C3N4 ternary complex and preparation and application method thereof |
| CN105126886A (en) * | 2015-07-01 | 2015-12-09 | 宁波工程学院 | Preparation method of TiO<2>/WO<3>/g-C<3>N<4> thoroughly mesoporous nanofibers |
| CN105195200A (en) * | 2015-10-09 | 2015-12-30 | 江苏大学 | Preparation method and application of g-C3N4@TiO2 hollow ball composite photocatalyst |
| CN105301062A (en) * | 2015-10-29 | 2016-02-03 | 东北大学 | Gas sensor based on graded porous WO3 microspheres and preparation method thereof |
-
2016
- 2016-02-25 CN CN201610101701.3A patent/CN105699439B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104307552A (en) * | 2014-11-06 | 2015-01-28 | 江苏理工学院 | Method for preparing TiO2/g-C3N4 composite visible light catalyst |
| CN105126886A (en) * | 2015-07-01 | 2015-12-09 | 宁波工程学院 | Preparation method of TiO<2>/WO<3>/g-C<3>N<4> thoroughly mesoporous nanofibers |
| CN105032468A (en) * | 2015-08-03 | 2015-11-11 | 中南大学 | Cu2O-TiO2/g-C3N4 ternary complex and preparation and application method thereof |
| CN105195200A (en) * | 2015-10-09 | 2015-12-30 | 江苏大学 | Preparation method and application of g-C3N4@TiO2 hollow ball composite photocatalyst |
| CN105301062A (en) * | 2015-10-29 | 2016-02-03 | 东北大学 | Gas sensor based on graded porous WO3 microspheres and preparation method thereof |
Non-Patent Citations (2)
| Title |
|---|
| JUNXIAN WANG ET AL.: "synthesis of g-c3n4/Tio2 with enhanced photocatalytic activity for h2 evolution by a simple method", 《JOURNAL OF HYDROGEN ENERGY》 * |
| 振清、孙以材等: ""金属氧化物掺杂对TiO2气敏特性的影响", 《传感器世界》 * |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106442645A (en) * | 2016-12-12 | 2017-02-22 | 南京工业大学 | Gold/porous fibrous graphite-phase carbon nitride composite material and preparation method and application thereof |
| CN108940342A (en) * | 2018-07-19 | 2018-12-07 | 广州大学 | A kind of in-situ doping type cobalt system's fenton catalyst and its synthetic method and application |
| CN110876951A (en) * | 2018-09-06 | 2020-03-13 | 天津大学 | Composite material containing metal oxide, preparation method and application thereof |
| CN110876951B (en) * | 2018-09-06 | 2023-02-10 | 天津大学 | Composite material containing metal oxide, preparation method and application thereof |
| CN114621262A (en) * | 2020-12-14 | 2022-06-14 | 中国科学院大连化学物理研究所 | Preparation and application of metal nanocluster material for rapidly detecting methanol |
| CN114621262B (en) * | 2020-12-14 | 2023-11-28 | 中国科学院大连化学物理研究所 | Preparation and application of metal nanocluster material for rapidly detecting methanol |
| CN113447557A (en) * | 2021-05-27 | 2021-09-28 | 西安电子科技大学芜湖研究院 | Based on hollow six mango star Co3O4Methanol sensor made of material, preparation method and application |
| CN113447557B (en) * | 2021-05-27 | 2022-12-02 | 西安电子科技大学芜湖研究院 | Based on hollow six mango star Co 3 O 4 Methanol sensor made of material, preparation method and application |
| CN113325043A (en) * | 2021-07-19 | 2021-08-31 | 东北师范大学 | Flexible inorganic semiconductor resistance type room temperature gas sensor and preparation method thereof |
| CN113325043B (en) * | 2021-07-19 | 2022-11-29 | 东北师范大学 | Flexible inorganic semiconductor resistor type room temperature gas sensor and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105699439B (en) | 2018-06-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105699439A (en) | Preparation method and application of methanol gas sensor based on carbon nitride loaded metal and metal oxide composite | |
| CN105717168B (en) | A kind of preparation method and application of the these hydrogen sulfide gas sensor based on titanium dioxide nanoplate carried noble metal | |
| Rahman et al. | Carbon black co-adsorbed ZnO nanocomposites for selective benzaldehyde sensor development by electrochemical approach for environmental safety | |
| Queralto et al. | Detecting cancer by breath volatile organic compound analysis: a review of array-based sensors | |
| Righettoni et al. | Si: WO3 sensors for highly selective detection of acetone for easy diagnosis of diabetes by breath analysis | |
| Khan et al. | Highly selective and sensitive ammonia sensor using polypyrrole/V 2 O 5 composites | |
| Long et al. | Nanowire-assembled hierarchical ZnCo2O4 microstructure integrated with a low-power microheater for highly sensitive formaldehyde detection | |
| Sun et al. | Chemiresistive sensor arrays based on noncovalently functionalized multi-walled carbon nanotubes for ozone detection | |
| Rahman et al. | Sensitive and selective m-tolyl hydrazine chemical sensor development based on CdO nanomaterial decorated multi-walled carbon nanotubes | |
| CN105891271A (en) | Resistance-type gas sensor based on graphene, stannic oxide and zinc oxide composite, preparation method and application thereof | |
| CN109342522B (en) | Polypyrrole/graphene composite material-based resistance type NH3Sensor, preparation method and application thereof | |
| WO2018082585A1 (en) | Synthesis method for composite gas sensitive material of porous zinc oxide nanosheet loaded with a high-dispersion nano precious metal | |
| CN103293193B (en) | A kind of nitrogen dioxide sensor based on titanium dioxide/graphene and preparation method | |
| CN110887874B (en) | Moisture-sensitive sensor based on perovskite and preparation method and application thereof | |
| CN106970116A (en) | A kind of polyhedral cobaltosic oxide three-dimensional porous Graphene gel composite material film sensitive to acetone | |
| Yang et al. | Metal-oxide gas sensors for exhaled-breath analysis: A review | |
| CN104409724B (en) | Nitrogen-doped graphene oxidation cobalt composite material and preparation method thereof | |
| CN107449816A (en) | All solid state ISE, preparation method and biology sensor | |
| Tian et al. | Trace level detection of hydrogen gas using birnessite-type manganese oxide | |
| Shi et al. | Precise gas discrimination with cross-reactive graphene and metal oxide sensor arrays | |
| CN105606655B (en) | A kind of preparation method and application of the acetone gas sensor based on two-dimentional porous nano composite material supported palladium | |
| CN105628745A (en) | Preparation method and application for nitrogen dioxide gas sensor based on titanium-dioxide-based porous nanocomposite | |
| CN105021656B (en) | A kind of preparation method of chloroform gas sensor | |
| Borhade et al. | Synthesis, characterization and gas sensing performance of nano-crystalline ZrO 2, 5% Y/ZrO 2 and Ag–5% Y/ZrO 2 catalyst | |
| CN105758994B (en) | A kind of preparation method and application of the formaldehyde gas sensor based on carbonitride load additive Mn two-dimensional nano composite |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230118 Address after: No. 37, Jingwu Road, Huaiyin District, Jinan City, Shandong Province, 250001 Patentee after: Luyan Engineering Technology Consulting Co.,Ltd. Address before: No. 336, West Road, South Xin Zhuang, Shandong, Shandong Patentee before: University of Jinan |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180629 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |