CN105352941A - Biomass reacting furnace and manufacturing method thereof - Google Patents
Biomass reacting furnace and manufacturing method thereof Download PDFInfo
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Abstract
The invention discloses a biomass reacting furnace and a manufacturing method thereof. According to the invention, a gas detecting module is mounted at the external part of the furnace body of the biomass reacting furnace, so that the biomass reacting furnace can carry out gas detection on the surrounding environment; the gas detecting module is based on an organic electroluminescence gas sensor, is subjected to creative optimal design in the aspects of the assembly material, the manufacturing technology, the structure and the like of the sensor, realizes the unexpected sensitivity under the synergistic effect of a plurality of factors, and has a great market prospect.
Description
Technical field
The invention belongs to field of boilers, more specifically relate to a kind of living beings reacting furnace and preparation method thereof.
Background technology
Living beings reacting furnace, also known as biomass boiler, is exactly the reacting furnace using biomass energy as fuel, can be divided into steam oven, water heater, heat-conducting oil furnace etc.
But existing living beings reacting furnace does not generally have gas detection function, when environmental gas atmosphere is dangerous gas residing for living beings reacting furnace, potential safety hazard can be caused to personnel, equipment etc.
Summary of the invention
Based on background technology Problems existing, the invention provides a kind of living beings reacting furnace and preparation method thereof, it is characterized in that, at the outside installing gas detection module of living beings reaction furnace body, organic electroluminescence device and gas sensor, based on organic electroluminescent gas sensor device, combine by this gas detection module.
This gas detection module is achieved through the following technical solutions:
Based on a gas sensor for organic electroluminescent, it is made by the following method:
Organic electroluminescent gas sensor preparation technology relates to thin film technique and film treatment process etc., mainly includes the techniques such as the preparation of the organic film of machine Small molecular or high molecular polymer etc., the preparation of metal electrode and device package;
Idiographic flow is: conductive plastics ITO-PET surface clean and process-substrate are placed in vacuum chamber-vacuum evaporation organic layer-evaporation metal electrode-encapsulation or test.
1. conductive plastics ITO-PET cleans
First, the ITO-PET of cutting specific dimensions, washes by rubbing with the hands ITO-PET substrate with special purpose detergent and non-dust cloth, to remove on-chip various greasy dirt thing, then compound biological enzyme liquid (optional) is put into successively, in deionized water, acetone, ethanol, each ultrasonic 15min; Then, dry up ITO-PET with high pure nitrogen, make ethanol evaporation, then put into pre-service chamber, continue to pass into high purity oxygen gas, with plasma bombardment substrate 5min;
The composition of described compound biological enzyme is: alkali protease 0.2-0.5g/L, cellulase 0.9-1.3g/L, polyphenol oxidase 0.05g/L, and all the other are deionized water;
After utilizing biological membrane pre-service, significantly can increase the susceptibility of gas sensor.
2. prepared by porous structure YSZ
A) appropriate Ni (NO is taken
3)
26H
2o and deionized water are put into beaker and are fully dissolved, slowly ammoniacal liquor is instilled with separating funnel under the effect of magnetic agitation, make it abundant reaction, after titration, 80 DEG C of water-bath 1h obtain suspension, be separated through hydro-extractor and be precipitated thing, then put into the NiO powder that batch-type furnace 300 DEG C insulation 5h can obtain black;
B) take YSZ and NiO powder, 5:6 puts into bowl mill in mass ratio, then adds a certain amount of spreading agent and ethanol, makes it abundant mixing, obtains YSZ slurry;
C) adopted by YSZ slurry screen printing technique to be coated in conductive plastics ITO-PET surface, thickness is 2 μm, puts into drying baker and dries;
3. organic thin-film vapor deposition
A) organic material (Alq3, CuPc) to be evaporated is put into corresponding evaporation boat, and block with mask;
B) the conductive plastics substrate after oven dry is sent to organic chamber from pre-service chamber, substrate is placed on the sample carrier in organic chamber, aims at organic electron gun;
C) organic chamber is vacuumized, when vacuum reaches required numerical value, regulate vapourizing furnace temperature controller, increase evaporating temperature, material is heated, after condition is suitable, evaporation organic material Alq3, CuPc successively, controls evaporation rate and time, makes it thickness and be respectively 5.9 μm, 2 μm;
4. mesh-like metallic cathode preparation
After various organic thin-film vapor deposition, substrate is taken out, cover mesh-like electrode mask version, subsequently substrate is sent into metal evaporation room, vacuumize and make air pressure remain on 1.5 × 10
-3, carry out the evaporation of metal electrode, regulate electric current, the evaporation ratio making Cr:Al is 8:1, obtains the Cr:Al electrode that thickness is 3 μm;
Device test data:
After element manufacturing completes, use the nitometer sensitive detection parts luminosity of sensitive detection parts luminosity, use semiconductor test system test component I-E characteristic.After testing, this device is to NO
2have air-sensitive response characteristic Deng gas, this gas can the luminosity of increased device; When operating voltage is 20V, luminosity is 16cd/m
2, with NO
2increase Deng nitrogenous gas concentration, luminosity increases.
Usefulness of the present invention is:
The present invention from the assembly material of the gas sensor of organic electroluminescent, manufacture craft, the many-sides such as structure have carried out creationary optimal design, under the synergy of many factors, reach unexpected sensitivity, can detect trace nitrogen dioxide, carrier mobility is for being greater than 9.8 × 10
-2cm
2/ Vs, fast response time, release time is short, can 100% recover; There are very large market outlook.
Accompanying drawing explanation
Fig. 1 makes a living substance reaction stove 10 structural representation, at the outside installing gas detection module 20 of living beings reaction furnace body.
Fig. 2 is the device architecture schematic diagram of gas detection module 20.
Embodiment
Gas sensor relates to the multi-disciplinary new and high technologies such as physics, chemistry, material, electronic technology.Gas sensor refers to the device or device that gaseous species to be measured or concentration are converted to the output electric signal having certain rule and relation with it.Gas sensor has a wide range of applications and important value in productive life.In the industrial production, can be used for detecting the flammable explosive gas such as rock gas, hydrogen, oxygen; In civilian, can be used for detecting the harmful gases such as vehicle exhaust.
It is different with sensitive mechanism that gas sensor presses gas sensitive, can be divided into: the gas sensor such as Electrolyte type, galvanochemistry type of semi-conductor type, catalytic combustion type, solid.
In solid electrolyte, conductive ion also can be able to be negative ion for kation, and it is mainly determined by the defect of material itself.
Stabilizing zirconia/yttrium stable zirconium oxide (YSZ) is the most useful a kind of solid electrolyte, under normal temperature, zirconia (ZrO2) is a kind of monoclinic crystal, ionic conductivity is very low, when being doped into appropriate divalence or trivalent cubic symmetry oxide (Y2O3, MgO, CaO, Sc2O3) processes it, ionic conductivity can be shown, there is high oxide ion conduction rate, excellent chemical stability and thermal stability and mechanicalness, be widely used in Solid Oxide Fuel Cell and gas sensor domain.
Organic electroluminescent phenomenon and corresponding research start from the sixties in last century, and organic electroluminescent is through development for many years, gradually to industrialized development, in the world, especially more active with Japan, American Studies.The features such as organic electroluminescence device has active illuminating, fast response time, visual angle is wide, cost is low.
The basic structure of organic electroluminescence device is thin by one and organic material layer sandwiches wherein for positive pole and metallic cathode by the ITO of transparent semiconductor character as sandwich, and organic material generally comprises hole transmission layer, luminescent layer and electron transfer layer.It is a kind of pouring-in luminescent device, and to meet luminescent layer formation exciton from anode injected holes with from negative electrode injected electrons, radioactive transition occurs exciton compound, namely reaches the luminescence of organic material.
Organic electroluminescent gas sensor comprises gas sensing thin film part and organic electroluminescent part.
The sensitive thin film of gas sensor is a complicated process to gas molecule to be measured, comprising to the physisorption of gas molecule and chemisorption.This wherein theoretical side can use the explanations such as grain-boundary barrier model, space-charge model, redox model.
Organic Light Emitting Diodes can simply be described as: outside under alive effect, after the electronics of negative electrode and anode and hole overcome the charge carrier potential barrier between electrode and organic material, be injected into organic layer and transmit wherein, their compounds after luminescent layer meets release energy, and by energy transferring to luminous organic material molecule, luminescent material molecule obtains after energy can be energized into excited state from ground state, and it just can send light when ground state or energy lower state are returned in excited state transition.
Organic electroluminescence device and gas sensor, based on organic electroluminescent gas sensor device, combine by this programme.
The design of this technological invention is mainly for some consideration following:
Consider organic electroluminescence device material and gas sensor gas sensitive and associated materials performance:
(1) experiment adopts oxine aluminium (Alq3) to hold concurrently electron transport material as the luminescent material of device, based on following consideration: a) Alq3 is a kind of stable metal complex, between organism and inorganics, itself has electron transport property; B) Alq3 has good film forming, high glass transition temperature and good chemical stability; C) Alq3 transmitting green light is higher compared to brightness Red and blue light;
(2) adopt compliant conductive plastics ITO-PET as substrate, it has the features such as softness, flexible, lightweight and cost are low, and is conducive to large-scale production;
(3) adopt porous structure YSZ material to be hole transmission layer, improve hole transport rate;
(4) adopt micro fabrication to prepare mesh-like Cr:Ag electrode, increase gas to be measured and gas sensitive contact area, and then increase its susceptibility to gas concentration, kind.
For working out the gas sensor having organic electro luminescent performance, having prepared structure is: the device of ITO-PET/ porous YSZ/Alq3/ CuPc (CuPc)/Cr:Ag, and structure as shown in drawings;
This device is under impressed voltage effect, and hole is injected through YSZ hole transport layer transports to luminescent layer Alq3 from ITO, and electronics is transferred in Alq3 layer through Cr:Ag electrode injection through CuPc layer, electronics and hole-recombination, and electroluminescent organic material Alq3 can send green glow; After device gaseous surrounding environment changes, such as NO
2concentration increases, and the concentration of the gas molecule of CuPc absorption changes thereupon, causes its conductivity to change, finally causes the change of luminescent layer Alq3 luminescence efficiency, and namely device detects place environmental gas concentration by the luminescence efficiency of luminescent layer.
Fig. 1 makes a living substance reaction stove 10 structural representation, at the outside installing gas detection module 20 of living beings reaction furnace body.
Fig. 2 is the device architecture schematic diagram of gas detection module 20.
Embodiment 1:
A kind of living beings reacting furnace, at the outside installing gas detection module of living beings reaction furnace body, this gas detection module is made by the following method:
Idiographic flow is: conductive plastics ITO-PET surface clean and process-substrate are placed in vacuum chamber-vacuum evaporation organic layer-evaporation metal electrode-encapsulation or test.
1. conductive plastics ITO-PET cleans
First, the ITO-PET of cutting specific dimensions, washes by rubbing with the hands ITO-PET substrate with special purpose detergent and non-dust cloth, to remove on-chip various greasy dirt thing, then puts into compound biological enzyme liquid successively, in deionized water, acetone, ethanol, and each ultrasonic 35min; Then, dry up ITO-PET with high pure nitrogen, make ethanol evaporation, then put into pre-service chamber, continue to pass into high purity oxygen gas, with plasma bombardment substrate 5min;
The composition of described compound biological enzyme is: alkali protease 1.2g/L, cellulase 1.3g/L, polyphenol oxidase 0.06g/L, and all the other are deionized water;
2. prepared by porous structure YSZ
A) appropriate Ni (NO is taken
3)
26H
2o and deionized water are put into beaker and are fully dissolved, slowly ammoniacal liquor is instilled with separating funnel under the effect of magnetic agitation, make it abundant reaction, after titration, 80 DEG C of water-bath 1h obtain suspension, be separated through hydro-extractor and be precipitated thing, then put into the NiO powder that batch-type furnace 300 DEG C insulation 5h can obtain black;
B) take YSZ and NiO powder, 4:3 puts into bowl mill in mass ratio, then adds a certain amount of spreading agent and ethanol, makes it abundant mixing, obtains YSZ slurry;
C) adopted by YSZ slurry screen printing technique to be coated in conductive plastics ITO-PET surface, thickness is 2 μm, puts into drying baker and dries;
3. organic thin-film vapor deposition
A) organic material (Alq3, CuPc) to be evaporated is put into corresponding evaporation boat, and block with mask;
B) the conductive plastics substrate after oven dry is sent to organic chamber from pre-service chamber, substrate is placed on the sample carrier in organic chamber, aims at organic electron gun;
C) organic chamber is vacuumized, when vacuum reaches required numerical value, regulate vapourizing furnace temperature controller, increase evaporating temperature, material is heated, after condition is suitable, evaporation organic material Alq3, CuPc successively, controls evaporation rate and time, makes it thickness and be respectively 5 μm, 2 μm;
4. mesh-like metallic cathode preparation
After various organic thin-film vapor deposition, substrate is taken out, cover mesh-like electrode mask version, subsequently substrate is sent into metal evaporation room, vacuumize and make air pressure remain on 1.5 × 10
-3, carry out the evaporation of metal electrode, regulate electric current, the evaporation ratio making Cr:Al is 8:3, obtains the Cr:Al electrode that thickness is 3.5 μm;
Device test data:
After element manufacturing completes, use the nitometer sensitive detection parts luminosity of sensitive detection parts luminosity, use semiconductor test system test component I-E characteristic.After testing, this device is to NO
2have air-sensitive response characteristic Deng gas, this gas can the luminosity of increased device; When operating voltage is 20V, luminosity is 16cd/m
2, with NO
2increase Deng nitrogenous gas concentration, luminosity increases.Detection limit 0.1ppmNO
2under concentration, luminosity is 18cd/m2,30ppmNO
2under concentration, luminosity is 35cd/m
2, 50ppmNO
2under concentration, luminosity is 58cd/m
2, 100ppmNO
2under concentration, luminosity is 162cd/m
2, 150ppmNO
2under concentration, luminosity is 188cd/m
2.
Embodiment 2:
A kind of living beings reacting furnace, at the outside installing gas detection module of living beings reaction furnace body, this gas detection module is made by the following method:
Idiographic flow is: conductive plastics ITO-PET surface clean and process-substrate are placed in vacuum chamber-vacuum evaporation organic layer-evaporation metal electrode-encapsulation or test.
1. conductive plastics ITO-PET cleans
First, the ITO-PET of cutting specific dimensions, washes by rubbing with the hands ITO-PET substrate with special purpose detergent and non-dust cloth, to remove on-chip various greasy dirt thing, then puts into deionized water, acetone, ethanol successively, each ultrasonic 15min; Then, dry up ITO-PET with high pure nitrogen, make ethanol evaporation, then put into pre-service chamber, continue to pass into high purity oxygen gas, with plasma bombardment substrate 5min;
2. prepared by porous structure YSZ
A) appropriate Ni (NO is taken
3)
26H
2o and deionized water are put into beaker and are fully dissolved, slowly ammoniacal liquor is instilled with separating funnel under the effect of magnetic agitation, make it abundant reaction, after titration, 80 DEG C of water-bath 1h obtain suspension, be separated through hydro-extractor and be precipitated thing, then put into the NiO powder that batch-type furnace 290 DEG C insulation 5h can obtain black;
B) take YSZ and NiO powder, 5:1 puts into bowl mill in mass ratio, then adds a certain amount of spreading agent and ethanol, makes it abundant mixing, obtains YSZ slurry;
C) adopted by YSZ slurry screen printing technique to be coated in conductive plastics ITO-PET surface, thickness is 2 μm, puts into drying baker and dries;
3. organic thin-film vapor deposition
A) organic material (Alq3, CuPc) to be evaporated is put into corresponding evaporation boat, and block with mask;
B) the conductive plastics substrate after oven dry is sent to organic chamber from pre-service chamber, substrate is placed on the sample carrier in organic chamber, aims at organic electron gun;
C) organic chamber is vacuumized, when vacuum reaches required numerical value, regulate vapourizing furnace temperature controller, increase evaporating temperature, material is heated, after condition is suitable, evaporation organic material Alq3, CuPc successively, controls evaporation rate and time, makes it thickness and be respectively 5 μm, 2 μm;
4. mesh-like metallic cathode preparation
After various organic thin-film vapor deposition, substrate is taken out, cover mesh-like electrode mask version, subsequently substrate is sent into metal evaporation room, vacuumize and make air pressure remain on 1.9 × 10
-3, carry out the evaporation of metal electrode, regulate electric current, the evaporation ratio making Cr:Al is 8:1, obtains the Cr:Al electrode that thickness is 3 μm;
Device test data:
After element manufacturing completes, use the nitometer sensitive detection parts luminosity of sensitive detection parts luminosity, use semiconductor test system test component I-E characteristic.After testing, this device is to NO
2have air-sensitive response characteristic Deng gas, this gas can the luminosity of increased device; When operating voltage is 20V, luminosity is 16cd/m2, with NO
2increase Deng nitrogenous gas concentration, luminosity increases.Detection limit 1ppmNO
2under concentration, luminosity is 18cd/m2,50ppmNO
2under concentration, luminosity is 41cd/m2,150ppmNO
2under concentration, luminosity is 52cd/m2.
Embodiment 3:
A kind of living beings reacting furnace, at the outside installing gas detection module of living beings reaction furnace body, this gas detection module is made by the following method:
Idiographic flow is: conductive plastics ITO-PET surface clean and process-substrate are placed in vacuum chamber-vacuum evaporation organic layer-evaporation metal electrode-encapsulation or test.
1. conductive plastics ITO-PET cleans
First, the ITO-PET of cutting specific dimensions, washes by rubbing with the hands ITO-PET substrate with special purpose detergent and non-dust cloth, to remove on-chip various greasy dirt thing, then puts into compound biological enzyme liquid successively, in deionized water, acetone, ethanol, and each ultrasonic 15min; Then, dry up ITO-PET with high pure nitrogen, make ethanol evaporation, then put into pre-service chamber, continue to pass into high purity oxygen gas, with plasma bombardment substrate 5min;
The composition of described compound biological enzyme is: alkali protease 0.2g/L, cellulase 1.3g/L, polyphenol oxidase 0.05g/L, and all the other are deionized water;
The enzyme of described three kinds of enzymes is lived and is 5000u/g.
2. prepared by porous structure YSZ
A) appropriate Ni (NO is taken
3)
26H
2o and deionized water are put into beaker and are fully dissolved, slowly ammoniacal liquor is instilled with separating funnel under the effect of magnetic agitation, make it abundant reaction, after titration, 80 DEG C of water-bath 1h obtain suspension, be separated through hydro-extractor and be precipitated thing, then put into the NiO powder that batch-type furnace 300 DEG C insulation 5h can obtain black;
B) take YSZ and NiO powder, 5:1 puts into bowl mill in mass ratio, then adds a certain amount of spreading agent and ethanol, makes it abundant mixing, obtains YSZ slurry;
C) adopted by YSZ slurry screen printing technique to be coated in conductive plastics ITO-PET surface, thickness is 2.4 μm, puts into drying baker and dries;
3. organic thin-film vapor deposition
A) organic material (Alq3, CuPc) to be evaporated is put into corresponding evaporation boat, and block with mask;
B) the conductive plastics substrate after oven dry is sent to organic chamber from pre-service chamber, substrate is placed on the sample carrier in organic chamber, aims at organic electron gun;
C) organic chamber is vacuumized, when vacuum reaches required numerical value, regulate vapourizing furnace temperature controller, increase evaporating temperature, material is heated, after condition is suitable, evaporation organic material Alq3, CuPc successively, controls evaporation rate and time, makes it thickness and be respectively 5 μm, 2 μm;
4. mesh-like metallic cathode preparation
After various organic thin-film vapor deposition, substrate is taken out, cover mesh-like electrode mask version, subsequently substrate is sent into metal evaporation room, vacuumize and make air pressure remain on 1.5 × 10
-3, carry out the evaporation of metal electrode, regulate electric current, the evaporation ratio making Cr:Al is 8:1, obtains the Cr:Al electrode that thickness is 3 μm;
Device test data:
After element manufacturing completes, use the nitometer sensitive detection parts luminosity of sensitive detection parts luminosity, use semiconductor test system test component I-E characteristic.After testing, this device is to NO
2have air-sensitive response characteristic Deng gas, this gas can the luminosity of increased device; When operating voltage is 20V, luminosity is 16cd/m
2, with NO
2increase Deng nitrogenous gas concentration, luminosity increases.Detection limit 0.1ppmNO
2under concentration, luminosity is 18cd/m2,30ppmNO
2under concentration, luminosity is 35cd/m
2, 50ppmNO
2under concentration, luminosity is 152cd/m
2, 100ppmNO
2under concentration, luminosity is 168cd/m
2, 150ppmNO
2under concentration, luminosity is 258cd/m
2.
Embodiment 4:
A kind of living beings reacting furnace, at the outside installing gas detection module of living beings reaction furnace body, this gas detection module is made by the following method:
Idiographic flow is: conductive plastics ITO-PET surface clean and process-substrate are placed in vacuum chamber-vacuum evaporation organic layer-evaporation metal electrode-encapsulation or test.
1. conductive plastics ITO-PET cleans
First, the ITO-PET of cutting specific dimensions, washes by rubbing with the hands ITO-PET substrate with special purpose detergent and non-dust cloth, to remove on-chip various greasy dirt thing, then puts into compound biological enzyme liquid successively, in deionized water, acetone, ethanol, and each ultrasonic 15min; Then, dry up ITO-PET with high pure nitrogen, make ethanol evaporation, then put into pre-service chamber, continue to pass into high purity oxygen gas, with plasma bombardment substrate 5min;
The composition of described compound biological enzyme is: alkali protease 0.5g/L, cellulase 0.9g/L, polyphenol oxidase 0.05g/L, and all the other are deionized water;
2. prepared by porous structure YSZ
A) appropriate Ni (NO is taken
3)
26H
2o and deionized water are put into beaker and are fully dissolved, slowly ammoniacal liquor is instilled with separating funnel under the effect of magnetic agitation, make it abundant reaction, after titration, 80 DEG C of water-bath 1h obtain suspension, be separated through hydro-extractor and be precipitated thing, then put into the NiO powder that batch-type furnace 300 DEG C insulation 5h can obtain black;
B) take YSZ and NiO powder, 5:1 puts into bowl mill in mass ratio, then adds a certain amount of spreading agent and ethanol, makes it abundant mixing, obtains YSZ slurry;
C) adopted by YSZ slurry screen printing technique to be coated in conductive plastics ITO-PET surface, thickness is 2 μm, puts into drying baker and dries;
3. organic thin-film vapor deposition
A) organic material (Alq3, CuPc) to be evaporated is put into corresponding evaporation boat, and block with mask;
B) the conductive plastics substrate after oven dry is sent to organic chamber from pre-service chamber, substrate is placed on the sample carrier in organic chamber, aims at organic electron gun;
C) organic chamber is vacuumized, when vacuum reaches required numerical value, regulate vapourizing furnace temperature controller, increase evaporating temperature, material is heated, after condition is suitable, evaporation organic material Alq3, CuPc successively, controls evaporation rate and time, makes it thickness and be respectively 5 μm, 2.3 μm;
4. mesh-like metallic cathode preparation
After various organic thin-film vapor deposition, substrate is taken out, cover mesh-like electrode mask version, subsequently substrate is sent into metal evaporation room, vacuumize and make air pressure remain on 1.5 × 10
-3, carry out the evaporation of metal electrode, regulate electric current, the evaporation ratio making Cr:Al is 8:1, obtains the Cr:Al electrode that thickness is 3 μm;
Device test data:
After element manufacturing completes, use the nitometer sensitive detection parts luminosity of sensitive detection parts luminosity, use semiconductor test system test component I-E characteristic.After testing, this device is to NO
2have air-sensitive response characteristic Deng gas, this gas can the luminosity of increased device; When operating voltage is 20V, luminosity is 16cd/m
2, with NO
2increase Deng nitrogenous gas concentration, luminosity increases.Detection limit 0.2ppmNO
2under concentration, luminosity is 18cd/m2,30ppmNO
2under concentration, luminosity is 35cd/m
2, under 50ppmNO2 concentration, luminosity is 82cd/m
2, 100ppmNO
2under concentration, luminosity is 145cd/m
2, 150ppmNO
2under concentration, luminosity is 232cd/m
2.
Embodiment 5:
A kind of living beings reacting furnace, at the outside installing gas detection module of living beings reaction furnace body, this gas detection module is made by the following method:
Idiographic flow is: conductive plastics ITO-PET surface clean and process-substrate are placed in vacuum chamber-vacuum evaporation organic layer-evaporation metal electrode-encapsulation or test.
1. conductive plastics ITO-PET cleans
First, the ITO-PET of cutting specific dimensions, washes by rubbing with the hands ITO-PET substrate with special purpose detergent and non-dust cloth, to remove on-chip various greasy dirt thing, then puts into compound biological enzyme liquid successively, in deionized water, acetone, ethanol, and each ultrasonic 15min; Then, dry up ITO-PET with high pure nitrogen, make ethanol evaporation, then put into pre-service chamber, continue to pass into high purity oxygen gas, with plasma bombardment substrate 5min;
The composition of described compound biological enzyme is: alkali protease 0.4g/L, cellulase 1.1g/L, polyphenol oxidase 0.05g/L, and all the other are deionized water;
2. prepared by porous structure YSZ
A) appropriate Ni (NO is taken
3)
26H
2o and deionized water are put into beaker and are fully dissolved, slowly ammoniacal liquor is instilled with separating funnel under the effect of magnetic agitation, make it abundant reaction, after titration, 80 DEG C of water-bath 1h obtain suspension, be separated through hydro-extractor and be precipitated thing, then put into the NiO powder that batch-type furnace 300 DEG C insulation 5h can obtain black;
B) take YSZ and NiO powder, 5:1 puts into bowl mill in mass ratio, then adds a certain amount of spreading agent and ethanol, makes it abundant mixing, obtains YSZ slurry;
C) adopted by YSZ slurry screen printing technique to be coated in conductive plastics ITO-PET surface, thickness is 2 μm, puts into drying baker and dries;
3. organic thin-film vapor deposition
A) organic material (Alq3, CuPc) to be evaporated is put into corresponding evaporation boat, and block with mask;
B) the conductive plastics substrate after oven dry is sent to organic chamber from pre-service chamber, substrate is placed on the sample carrier in organic chamber, aims at organic electron gun;
C) organic chamber is vacuumized, when vacuum reaches required numerical value, regulate vapourizing furnace temperature controller, increase evaporating temperature, material is heated, after condition is suitable, evaporation organic material Alq3, CuPc successively, controls evaporation rate and time, makes it thickness and be respectively 5.6 μm, 2 μm;
4. mesh-like metallic cathode preparation
After various organic thin-film vapor deposition, substrate is taken out, cover mesh-like electrode mask version, subsequently substrate is sent into metal evaporation room, vacuumize and make air pressure remain on 1.5 × 10
-3, carry out the evaporation of metal electrode, regulate electric current, the evaporation ratio making Cr:Al is 8:1, obtains the Cr:Al electrode that thickness is 3 μm;
Device test data:
After element manufacturing completes, use the nitometer sensitive detection parts luminosity of sensitive detection parts luminosity, use semiconductor test system test component I-E characteristic.After testing, this device is to NO
2have air-sensitive response characteristic Deng gas, this gas can the luminosity of increased device; When operating voltage is 20V, luminosity is 16cd/m
2, with NO
2increase Deng nitrogenous gas concentration, luminosity increases.Detection limit 0.1ppmNO
2under concentration, luminosity is 28cd/m2,30ppmNO
2under concentration, luminosity is 35cd/m
2, 50ppmNO
2under concentration, luminosity is 65cd/m
2, 100ppmNO
2under concentration, luminosity is 150cd/m
2, 150ppmNO
2under concentration, luminosity is 268cd/m
2.
The above; be only the present invention's preferably embodiment; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technological invention of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.
Claims (3)
1. a living beings reacting furnace, it is characterized in that, at the outside installing gas detection module of living beings reaction furnace body, this gas detection module comprises flexible substrates, luminescent layer, hole transmission layer, mesh-like negative electrode, wherein, flexible substrate is conductive plastics ITO-PET, and porous structure YSZ is hole transmission layer.
2. living beings reacting furnace according to claim 1, is characterized in that, described YSZ slurry thickness is 2 μm and is coated in conductive plastics surface.
3. a method for making for living beings reacting furnace, is characterized in that, at the outside installing gas detection module of living beings reaction furnace body, the making step of this gas detection module is as follows:
Organic electroluminescent gas sensor preparation technology relates to thin film technique and film treatment process etc., mainly includes the techniques such as the preparation of the organic film of machine Small molecular or high molecular polymer etc., the preparation of metal electrode and device package;
Concrete steps are: conductive plastics ITO-PET surface clean and process, and substrate is placed in vacuum chamber, vacuum evaporation organic layer, evaporation metal electrode, encapsulation or test;
(1) conductive plastics ITO-PET cleans
First, the ITO-PET of cutting specific dimensions, washes by rubbing with the hands ITO-PET substrate with special purpose detergent and non-dust cloth, to remove on-chip various greasy dirt thing, then compound biological enzyme liquid (optional) is put into successively, in deionized water, acetone, ethanol, each ultrasonic 15min; Then, dry up ITO-PET with high pure nitrogen, make ethanol evaporation, then put into pre-service chamber, continue to pass into high purity oxygen gas, with plasma bombardment substrate 5min;
The composition of described compound biological enzyme is: alkali protease 0.2-0.5g/L, cellulase 0.9-1.3g/L, polyphenol oxidase 0.05g/L, and all the other are deionized water.
(2) prepared by porous structure YSZ
A) appropriate Ni (NO is taken
3)
26H
2o and deionized water are put into beaker and are fully dissolved, slowly ammoniacal liquor is instilled with separating funnel under the effect of magnetic agitation, make it abundant reaction, after titration, 80 DEG C of water-bath 1h obtain suspension, be separated through hydro-extractor and be precipitated thing, then put into the NiO powder that batch-type furnace 300 DEG C insulation 5h can obtain black;
B) take YSZ and NiO powder, 5:6 puts into bowl mill in mass ratio, then adds a certain amount of spreading agent and ethanol, makes it abundant mixing, obtains YSZ slurry;
C) adopted by YSZ slurry screen printing technique to be coated in conductive plastics ITO-PET surface, thickness is 2 μm, puts into drying baker and dries;
(3) organic thin-film vapor deposition
A) organic material (Alq3, CuPc) to be evaporated is put into corresponding evaporation boat, and block with mask;
B) the conductive plastics substrate after oven dry is sent to organic chamber from pre-service chamber, substrate is placed on the sample carrier in organic chamber, aims at organic electron gun;
C) organic chamber is vacuumized, when vacuum reaches required numerical value, regulate vapourizing furnace temperature controller, increase evaporating temperature, material is heated, after condition is suitable, evaporation organic material Alq3, CuPc successively, controls evaporation rate and time, makes it thickness and be respectively 5.9 μm, 2 μm;
(4) mesh-like metallic cathode preparation
After various organic thin-film vapor deposition, substrate is taken out, cover mesh-like electrode mask version, subsequently substrate is sent into metal evaporation room, vacuumize and make air pressure remain on 1.5 × 10
-3, carry out the evaporation of metal electrode, regulate electric current, the evaporation ratio making Cr:Al is 8:1, obtains the Cr:Al electrode that thickness is 3 μm.
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