CN110311031A - A kind of N-shaped flexibility thermal electric film and preparation method thereof - Google Patents
A kind of N-shaped flexibility thermal electric film and preparation method thereof Download PDFInfo
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- 238000002360 preparation method Methods 0.000 title claims abstract description 21
- 229920002873 Polyethylenimine Polymers 0.000 claims abstract description 43
- 239000011259 mixed solution Substances 0.000 claims abstract description 40
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 35
- 239000002041 carbon nanotube Substances 0.000 claims abstract description 19
- 229910021393 carbon nanotube Inorganic materials 0.000 claims abstract description 19
- 239000011347 resin Substances 0.000 claims abstract description 13
- 229920005989 resin Polymers 0.000 claims abstract description 13
- 239000002904 solvent Substances 0.000 claims abstract description 10
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 6
- 239000000758 substrate Substances 0.000 claims abstract description 6
- 239000007788 liquid Substances 0.000 claims abstract description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 28
- 238000000137 annealing Methods 0.000 claims description 19
- 239000002109 single walled nanotube Substances 0.000 claims description 14
- 239000012528 membrane Substances 0.000 claims description 5
- 229920002799 BoPET Polymers 0.000 claims description 2
- 150000001336 alkenes Chemical class 0.000 claims description 2
- 239000004575 stone Substances 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 230000005619 thermoelectricity Effects 0.000 abstract description 12
- 229910052799 carbon Inorganic materials 0.000 abstract description 8
- 239000002086 nanomaterial Substances 0.000 abstract description 4
- 239000000243 solution Substances 0.000 description 15
- 229920000557 Nafion® Polymers 0.000 description 14
- 238000005452 bending Methods 0.000 description 14
- 235000019441 ethanol Nutrition 0.000 description 14
- 229920000139 polyethylene terephthalate Polymers 0.000 description 14
- 239000005020 polyethylene terephthalate Substances 0.000 description 14
- -1 polytetrafluoroethylene Polymers 0.000 description 14
- 238000001548 drop coating Methods 0.000 description 13
- 150000001412 amines Chemical class 0.000 description 11
- 230000000052 comparative effect Effects 0.000 description 9
- 238000012360 testing method Methods 0.000 description 6
- AFCARXCZXQIEQB-UHFFFAOYSA-N N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CCNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 AFCARXCZXQIEQB-UHFFFAOYSA-N 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- RIOQSEWOXXDEQQ-UHFFFAOYSA-N triphenylphosphine Chemical compound C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 RIOQSEWOXXDEQQ-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002048 multi walled nanotube Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920000128 polypyrrole Polymers 0.000 description 1
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N10/00—Thermoelectric devices comprising a junction of dissimilar materials, i.e. devices exhibiting Seebeck or Peltier effects
- H10N10/01—Manufacture or treatment
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N10/00—Thermoelectric devices comprising a junction of dissimilar materials, i.e. devices exhibiting Seebeck or Peltier effects
- H10N10/80—Constructional details
- H10N10/81—Structural details of the junction
- H10N10/817—Structural details of the junction the junction being non-separable, e.g. being cemented, sintered or soldered
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N10/00—Thermoelectric devices comprising a junction of dissimilar materials, i.e. devices exhibiting Seebeck or Peltier effects
- H10N10/80—Constructional details
- H10N10/85—Thermoelectric active materials
- H10N10/856—Thermoelectric active materials comprising organic compositions
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Abstract
The present invention relates to N-shaped flexibility thermal electric films and preparation method thereof, the preparation method comprises the following steps: S1, polyethyleneimine and perfluorinated sulfonic resin being dissolved in liquid solvent, and be uniformly mixed after carbon nanotube or graphene are added in a solvent, obtain mixed solution；S2, the mixed solution for obtaining step S1 are dry after forming a film in substrate, obtain N-shaped flexibility thermal electric film.Polyethyleneimine and perfluorinated sulfonic resin are added in carbon nanomaterial by preparation method of the present invention, by the amine-modified carbon nanotube of the polyethyleneimine so that the carbon nanotube obtains N-shaped thermoelectricity capability, perfluorinated sulfonic resin is added in the carbon nanotube, increase the tightness degree of the carbon nanotube, to improve the conductivity of the carbon nanotube, so that using N-shaped flexibility thermal electric film thermoelectricity capability with higher made of preparation method of the present invention.
Description
Technical field
The present invention relates to N-shaped thermoelectric material, in particular to a kind of N-shaped flexibility thermal electric film and preparation method thereof.
Background technique
N-shaped carbon nanometer thermoelectric film in air when, the oxygen in air is easily adsorbed onto the micro-structure of material, makes carrier
Type changed, finally make N-shaped thermal electric film to p-type thermal electric film change, because N-shaped carbon nanomaterial is due to its air
Stability is lower, and thermoelectricity capability is poor, and R and D are less.
When p-type carbon nanomaterial is used to prepare n-type material, need by with polypyrrole alkanone (PVP), polyethyleneimine
(PEI), triphenylphosphine etc. has the polymer of electron donor group or molecule is compound obtains N-shaped feature, but this compound
Although N-shaped thermal electric film can be obtained, N-shaped thermal electric film thermoelectricity capability obtained is poor.
Summary of the invention
In order to solve the above technical problems, to be to provide a kind of N-shaped with high air stability soft for the main object of the present invention
Property thermal electric film, the technical solution used are as follows:
A kind of preparation method of N-shaped flexibility thermal electric film, comprising the following steps:
S1, polyethyleneimine and perfluorinated sulfonic resin (Nafion) are dissolved in liquid solvent, and are added in a solvent
It is uniformly mixed after carbon nanotube or graphene, obtains mixed solution；
S2, the mixed solution for obtaining step S1 are dry after forming a film in substrate, obtain N-shaped flexibility thermal electric film.
Drying temperature is 50-60 DEG C in step S2.
Preferably, the concentration of polyethyleneimine described in mixed solution described in step S1 is 0.03-0.05vol%.
When the concentration of polyethyleneimine in the mixed solution is 0.03%-0.05vol%, the mixed solution film forming
And after drying can get surface uniform ground, have good self-supporting energy, can alternating bending N-shaped flexibility thermal electric film.
Preferably, the mass ratio of the polyethyleneimine, the perfluorinated sulfonic resin and the carbon nanotube or graphene
For 1:1-2:3-8.
Preferably, the solvent is water or ethyl alcohol.
Preferably, the carbon nanotube is multi-walled carbon nanotube or single-walled carbon nanotube.
Preferably, the substrate is filter membrane or PET film.
Mixed solution obtained in step S1 can be formed a film on filter membrane by filtering, and the filter membrane can be polytetrafluoroethylene (PTFE)
Mixed solution obtained in filter membrane or step S1 can be formed a film by being applied on PET.
Preferably, further include step S3, the step S3 be will the N-shaped flexibility thermal electric film that be obtained in step S2 into
Row annealing.
In the present invention, annealing temperature is 100-130 DEG C, annealing time 10-30min.
The air stability of the thermal electric film after annealing increases.
Polyethyleneimine and perfluorinated sulfonic resin are added in carbon nanomaterial by preparation method of the present invention, pass through institute
The amine-modified carbon nanotube of polyethyleneimine is stated so that the carbon nanotube obtains N-shaped thermoelectricity capability, perfluorinated sulfonic resin addition
Into the carbon nanotube, the tightness degree of the carbon nanotube is increased, so that the conductivity of the carbon nanotube is improved,
So as to which there is excellent thermoelectricity capability using N-shaped flexibility thermal electric film made of preparation method of the present invention.
The above description is only an overview of the technical scheme of the present invention, in order to better understand the technical means of the present invention,
And can be implemented in accordance with the contents of the specification, with presently preferred embodiments of the present invention, detailed description is as follows below.
Specific embodiment
The principles and features of the present invention are described below, and the given examples are served only to explain the present invention, is not intended to limit
Determine the scope of the present invention.According to following explanation and claims, advantages and features of the invention will be become apparent from.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more phases
Any and all combinations of the listed item of pass.
A kind of preparation method of N-shaped flexibility thermal electric film, comprising the following steps:
S1, polyethyleneimine and perfluorinated sulfonic resin are dissolved in a solvent, and carbon nanotube or stone is added in a solvent
It is uniformly mixed after black alkene, obtains mixed solution；
S2, the mixed solution for obtaining step S1 are dry after forming a film in substrate, obtain N-shaped flexibility thermal electric film.
The polyethyleneimine is the polyethyleneimine that the concentration purchased from Shanghai Aladdin Reagent Company is 99%, and density is
1.03g/mL。
The perfluorinated sulfonic resin uses concentration for the Nafion solution of 5wt%.
Based on above-mentioned preparation method, propose that the embodiment of the present invention and comparative example are as follows:.
Comparative example 1
S1, it takes 0.3g polyethyleneimine and 0.9g single-walled carbon nanotube to be dissolved in the ethyl alcohol of 999.7mL, stirs at room temperature
It mixes 12 hours, obtains the mixed solution that polyethyleneimine amine concentration is 0.03vol%；
S2, the mixed solution that step S1 is obtained is applied to using drop-coating and is moulded in polyethylene terephthalate
Expect on film, and dry in 55 DEG C of baking ovens, then obtain surface uniform ground after annealing 20min at 130 DEG C have good from branch
Support performance, can alternating bending N-shaped flexibility thermal electric film.
Comparative example 2
S1, the Nafion solution for taking 11.25mL and 0.9g single-walled carbon nanotube are dissolved in the ethyl alcohol of 988.75mL, in room
Temperature lower stirring 12 hours；
S2, the mixed solution that step S1 is obtained is applied to using drop-coating and is moulded in polyethylene terephthalate
Expect on film, and dry in 55 DEG C of baking ovens, then obtain surface uniform ground after annealing 20min at 130 DEG C have good from branch
Support performance, can alternating bending flexible thermal electric film.
Embodiment 1
S1,0.3g polyethyleneimine, the Nafion solution of 7.5mL and 0.9g single-walled carbon nanotube is taken to be dissolved in 992.2mL
Ethyl alcohol in, be stirred at room temperature 12 hours, obtain polyethyleneimine amine concentration be 0.03vol% mixed solution；
S2, the mixed solution that step S1 is obtained is applied to using drop-coating and is moulded in polyethylene terephthalate
Expect on film, and dry in 55 DEG C of baking ovens, then obtain surface uniform ground after annealing 20min at 130 DEG C have good from branch
Support performance, can alternating bending N-shaped flexibility thermal electric film.
Embodiment 2
S1,0.3g polyethyleneimine, the Nafion solution of 11.25mL and 0.9g single-walled carbon nanotube is taken to be dissolved in
It in the ethyl alcohol of 988.45mL, is stirred at room temperature 12 hours, obtains the mixed solution that polyethyleneimine amine concentration is 0.03vol%；
S2, the mixed solution that step S1 is obtained is applied to using drop-coating and is moulded in polyethylene terephthalate
Expect on film, and dry in 55 DEG C of baking ovens, then obtain surface uniform ground after annealing 20min at 130 DEG C have good from branch
Support performance, can alternating bending N-shaped flexibility thermal electric film.
Embodiment 3
S1,0.3g polyethyleneimine, the Nafion solution of 11.25mL and 0.9g single-walled carbon nanotube is taken to be dissolved in
It in the ethyl alcohol of 588.75mL, is stirred at room temperature 12 hours, obtains the mixed solution that polyethyleneimine amine concentration is 0.05vol%；
S2, the mixed solution that step S1 is obtained is applied to using drop-coating and is moulded in polyethylene terephthalate
Expect on film, and dried in 55 DEG C of baking ovens, then obtain surface uniform ground after annealing 20min at 130 DEG C, has good
Self-supporting energy, can alternating bending N-shaped flexibility thermal electric film.
Embodiment 4
S1,0.3g polyethyleneimine, the Nafion solution of 15mL and 0.9g single-walled carbon nanotube is taken to be dissolved in 984.7mL's
It in ethyl alcohol, is stirred at room temperature 12 hours, obtains the mixed solution that polyethyleneimine amine concentration is 0.03vol%；
S2, the mixed solution that step S1 is obtained is applied to using drop-coating and is moulded in polyethylene terephthalate
Expect on film, and dry in 55 DEG C of baking ovens, then obtain surface uniform ground after annealing 20min at 130 DEG C have good from branch
Support performance, can alternating bending N-shaped flexibility thermal electric film.
Embodiment 5
S1,0.3g polyethyleneimine, the Nafion solution of 11.25mL and 1.5g single-walled carbon nanotube is taken to be dissolved in
It in the ethyl alcohol of 988.45mL, is stirred at room temperature 12 hours, obtains the mixed solution that polyethyleneimine amine concentration is 0.03vol%；
S2, the mixed solution that step S1 is obtained is applied to using drop-coating and is moulded in polyethylene terephthalate
Expect on film, and dry in 55 DEG C of baking ovens, then obtain surface uniform ground after annealing 20min at 130 DEG C have good from branch
Support performance, can alternating bending N-shaped flexibility thermal electric film.
Embodiment 6
S1,0.3g polyethyleneimine, the Nafion solution of 11.25mL and 2.4g single-walled carbon nanotube is taken to be dissolved in
It in the ethyl alcohol of 988.45mL, is stirred at room temperature 12 hours, obtains the mixed solution that polyethyleneimine amine concentration is 0.03vol%；
S2, the mixed solution that step S1 is obtained is applied to using drop-coating and is moulded in polyethylene terephthalate
Expect on film, and dry in 55 DEG C of baking ovens, then obtain surface uniform ground after annealing 20min at 130 DEG C have good from branch
Support performance, can alternating bending N-shaped flexibility thermal electric film.
Embodiment 7
S1,0.3g polyethyleneimine, the Nafion solution of 11.25mL and 2.4g graphene is taken to be dissolved in the second of 988.45mL
It in alcohol, is stirred at room temperature 12 hours, obtains the mixed solution that polyethyleneimine concentration is 0.03vol%；
S2, the mixed solution that step S1 is obtained is applied to using drop-coating and is moulded in polyethylene terephthalate
Expect on film, and dry in 55 DEG C of baking ovens, then obtain surface uniform ground after annealing 20min at 130 DEG C have good from branch
Support performance, can alternating bending N-shaped flexibility thermal electric film.
Embodiment 8
S1,0.3g polyethyleneimine, the Nafion solution of 11.25mL and 0.9g single-walled carbon nanotube is taken to be dissolved in
It in the ethyl alcohol of 988.45mL, is stirred at room temperature 12 hours, obtains the mixed solution that polyethyleneimine amine concentration is 0.03vol%；
S2, the mixed solution that step S1 is obtained is applied to using drop-coating and is moulded in polyethylene terephthalate
Expect on film, and dried in 55 DEG C of baking ovens, obtains surface uniform ground, there is good self-supporting energy, it can alternating bending
N-shaped flexibility thermal electric film.
Embodiment 9
S1,0.3g polyethyleneimine, the Nafion solution of 11.25mL and 0.9g single-walled carbon nanotube is taken to be dissolved in
It in the ethyl alcohol of 988.45mL, is stirred at room temperature 12 hours, obtains the mixed solution that polyethyleneimine amine concentration is 0.03vol%；
S2, the mixed solution that step S1 is obtained is applied to using drop-coating and is moulded in polyethylene terephthalate
Expect on film, and dry in 55 DEG C of baking ovens, then obtain surface uniform ground after annealing 20min at 100 DEG C have good from branch
Support performance, can alternating bending N-shaped flexibility thermal electric film.
Embodiment 10
S1,0.3g polyethyleneimine, the Nafion solution of 11.25mL and 0.9g single-walled carbon nanotube is taken to be dissolved in
It in the ethyl alcohol of 988.45mL, is stirred at room temperature 12 hours, obtains the mixed solution that polyethyleneimine amine concentration is 0.03vol%；
S2, the mixed solution that step S1 is obtained is applied to using drop-coating and is moulded in polyethylene terephthalate
Expect on film, and dry in 55 DEG C of baking ovens, then obtain surface uniform ground after annealing 10min at 130 DEG C have good from branch
Support performance, can alternating bending N-shaped flexibility thermal electric film.
Embodiment 11
S1,0.3g polyethyleneimine, the Nafion solution of 11.25mL and 0.9g single-walled carbon nanotube is taken to be dissolved in
It in the ethyl alcohol of 988.45mL, is stirred at room temperature 12 hours, obtains the mixed solution that polyethyleneimine amine concentration is 0.03vol%；
S2, the mixed solution that step S1 is obtained is applied to using drop-coating and is moulded in polyethylene terephthalate
Expect on film, and dry in 55 DEG C of baking ovens, then obtain surface uniform ground after annealing 30min at 130 DEG C have good from branch
Support performance, can alternating bending N-shaped flexibility thermal electric film.
The thermoelectricity capability for the thermal electric film that detection embodiment 1-10 is obtained respectively, testing result are as shown in table 1:
Table 1
Thermal electric film made from embodiment comparative example 1-2 and embodiment 1-11 is stood after a week in air respectively, point
Not Jian Ce comparative example 1-2 and embodiment 1-11 thermal electric film obtained Seebeck coefficient, thermoelectricity obtained by embodiment 8 is thin
The Seebeck coefficient of film switchs to positive number by negative, shows p-type thermoelectricity capability；Comparative example 1-2 and embodiment 1-7, embodiment 9-
After thermal electric film made from 11 stands one month in air again respectively, comparative example 1-2, embodiment 1-7 and embodiment 9-11 anneal
The Seebeck constant of treated thermal electric film is unchanged, and air stability is high.
According to above-mentioned testing result, it is concluded that
(1) by the test result of comparative example 2 it is found that the thermal electric film for the polyethyleneimine that undopes shows p-type heat
Electric behavior；
(2) by comparative example 1 and the test result of embodiment 1-4 it is found that with perfluorinated sulfonic resin doping increase, institute
The conductivity for stating thermal electric film increases, and perfluorinated sulfonic resin has been gradually increased the tightness degree of carbon nanotube, has improved carbon nanometer
The conductivity of pipe；
(3) test result of embodiment 2 and embodiment 3 it is found that in the mixed solution polyethyleneimine volume basis
Specific concentration is higher, and the conductivity of the thermal electric film is higher；
(4) embodiment 2, embodiment 5 and embodiment 6 test result it is found that with carbon nano tube-doped content increase,
The thermal electric film thermoelectricity capability of acquisition improves；
(5) by the data of embodiment 6 and embodiment 7 it is found that compared with carbon nanotube, the thermal electric film of doped graphene
Thermoelectricity capability is lower than the thermoelectricity capability of doped carbon nanometer pipe.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the present invention in any form；It is all
The those of ordinary skill of the industry can implement the present invention by the above and swimmingly；But all technologies for being familiar with this profession
Personnel without departing from the scope of the present invention, repaired by a little change for being made using disclosed above technology contents
Decorations and the equivalent variations developed, are equivalent embodiment of the invention；Meanwhile all substantial technologicals according to the present invention are to the above reality
The variation, modification and evolution etc. for applying any equivalent variations made by example, still fall within the protection scope of technical solution of the present invention
Within.
Claims (9)
1. a kind of preparation method of N-shaped flexibility thermal electric film, which comprises the following steps:
S1, polyethyleneimine and perfluorinated sulfonic resin are dissolved in liquid solvent, and carbon nanotube or stone is added in a solvent
It is uniformly mixed after black alkene, obtains mixed solution；
S2, the mixed solution for obtaining step S1 are dry after forming a film in substrate, obtain N-shaped flexibility thermal electric film.
2. the preparation method of N-shaped flexibility thermal electric film according to claim 1, which is characterized in that in the mixed solution
The concentration of the polyethyleneimine is 0.03%-0.05vol%.
3. the preparation method of N-shaped flexibility thermal electric film according to claim 2, which is characterized in that described in the step S1
The mass ratio of polyethyleneimine, the perfluorinated sulfonic resin and the carbon nanotube or graphene is 1:1-2:3-8.
4. the preparation method of N-shaped flexibility thermal electric film according to claim 1, which is characterized in that the solvent is water or second
Alcohol.
5. the preparation method of N-shaped flexibility thermal electric film according to claim 1, which is characterized in that the carbon nanotube is more
Wall carbon nano tube or single-walled carbon nanotube.
6. the preparation method of N-shaped flexibility thermal electric film according to claim 1, which is characterized in that the substrate be filter membrane or
PET film.
7. the preparation method of N-shaped flexibility thermal electric film according to claim 1, which is characterized in that it further include step S3, it is described
Step S3 is that the N-shaped flexibility thermal electric film that will be obtained in step S2 makes annealing treatment.
8. the preparation method of N-shaped flexibility thermal electric film according to claim 7, which is characterized in that the annealing temperature is
100-130 DEG C, annealing time 10-30min.
9. a kind of using N-shaped flexibility thermal electric film made of the preparation method as described in claim any one of 1-8.
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| CN110993779A (en) * | 2019-11-27 | 2020-04-10 | 东华大学 | N-type polymer-based composite thermoelectric film and preparation method thereof |
| CN111354848A (en) * | 2020-03-26 | 2020-06-30 | 西安交通大学 | Preparation method of high-performance n-type layered multi-walled carbon nanotube/graphene oxide thermoelectric material in mass production |
| CN114605822A (en) * | 2022-03-03 | 2022-06-10 | 武汉工程大学 | Fullerene derivative enhanced n-type thermoelectric film and preparation method thereof |
| CN114920965A (en) * | 2022-05-06 | 2022-08-19 | 武汉工程大学 | Metal ion modified polyethyleneimine carbon nanotube composite film and preparation method and application thereof |
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| CN116119652A (en) * | 2022-10-26 | 2023-05-16 | 中国科学院电工研究所 | n-type doped single-walled carbon nanotube, preparation and application thereof, n-type doped single-walled carbon nanotube thermoelectric film and preparation method thereof |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110954230A (en) * | 2019-11-27 | 2020-04-03 | 东华大学 | Flexible thermocouple temperature sensor and preparation method thereof |
| CN110993779A (en) * | 2019-11-27 | 2020-04-10 | 东华大学 | N-type polymer-based composite thermoelectric film and preparation method thereof |
| CN110993779B (en) * | 2019-11-27 | 2021-12-07 | 东华大学 | N-type polymer-based composite thermoelectric film and preparation method thereof |
| CN111354848A (en) * | 2020-03-26 | 2020-06-30 | 西安交通大学 | Preparation method of high-performance n-type layered multi-walled carbon nanotube/graphene oxide thermoelectric material in mass production |
| CN111354848B (en) * | 2020-03-26 | 2022-02-01 | 西安交通大学 | Preparation method of high-performance n-type layered multi-walled carbon nanotube/graphene oxide thermoelectric material in mass production |
| CN114605822A (en) * | 2022-03-03 | 2022-06-10 | 武汉工程大学 | Fullerene derivative enhanced n-type thermoelectric film and preparation method thereof |
| CN114605822B (en) * | 2022-03-03 | 2024-01-05 | 武汉工程大学 | Fullerene derivative enhanced n-type thermoelectric film and preparation method thereof |
| CN114920965A (en) * | 2022-05-06 | 2022-08-19 | 武汉工程大学 | Metal ion modified polyethyleneimine carbon nanotube composite film and preparation method and application thereof |
| CN114920965B (en) * | 2022-05-06 | 2023-09-29 | 武汉工程大学 | Metal ion modified polyethylene imine carbon nano tube composite film and preparation method and application thereof |
| CN115260761A (en) * | 2022-07-01 | 2022-11-01 | 武汉工程大学 | Polyethyleneimine modified carbon nanotube composite film and preparation method and application thereof |
| CN116119652A (en) * | 2022-10-26 | 2023-05-16 | 中国科学院电工研究所 | n-type doped single-walled carbon nanotube, preparation and application thereof, n-type doped single-walled carbon nanotube thermoelectric film and preparation method thereof |
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Application publication date: 20191008 |