CN106637921A - Polyacrylonitrile/copper sulphide photo-thermal nanofiber fabric and production method and application thereof - Google Patents
Polyacrylonitrile/copper sulphide photo-thermal nanofiber fabric and production method and application thereof Download PDFInfo
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- CN106637921A CN106637921A CN201610874865.XA CN201610874865A CN106637921A CN 106637921 A CN106637921 A CN 106637921A CN 201610874865 A CN201610874865 A CN 201610874865A CN 106637921 A CN106637921 A CN 106637921A
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- polyacrylonitrile
- pan
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- nano
- copper
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- 239000002121 nanofiber Substances 0.000 title claims abstract description 71
- 229920002239 polyacrylonitrile Polymers 0.000 title claims abstract description 63
- 239000004744 fabric Substances 0.000 title claims abstract description 40
- 238000004519 manufacturing process Methods 0.000 title abstract 4
- BWFPGXWASODCHM-UHFFFAOYSA-N copper monosulfide Chemical compound [Cu]=S BWFPGXWASODCHM-UHFFFAOYSA-N 0.000 title abstract 3
- OMZSGWSJDCOLKM-UHFFFAOYSA-N copper(II) sulfide Chemical compound [S-2].[Cu+2] OMZSGWSJDCOLKM-UHFFFAOYSA-N 0.000 claims abstract description 31
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000002105 nanoparticle Substances 0.000 claims abstract description 6
- 239000010949 copper Substances 0.000 claims description 13
- 238000002360 preparation method Methods 0.000 claims description 12
- 238000010041 electrostatic spinning Methods 0.000 claims description 11
- QGJOPFRUJISHPQ-UHFFFAOYSA-N Carbon disulfide Chemical compound S=C=S QGJOPFRUJISHPQ-UHFFFAOYSA-N 0.000 claims description 9
- 239000005864 Sulphur Substances 0.000 claims description 8
- 239000005030 aluminium foil Substances 0.000 claims description 6
- 239000003960 organic solvent Substances 0.000 claims description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 239000002904 solvent Substances 0.000 claims description 4
- UMGDCJDMYOKAJW-UHFFFAOYSA-N thiourea Chemical compound NC(N)=S UMGDCJDMYOKAJW-UHFFFAOYSA-N 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 3
- UYJXRRSPUVSSMN-UHFFFAOYSA-P ammonium sulfide Chemical compound [NH4+].[NH4+].[S-2] UYJXRRSPUVSSMN-UHFFFAOYSA-P 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 238000007654 immersion Methods 0.000 claims description 3
- -1 polypropylene Polymers 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 3
- 229910052708 sodium Inorganic materials 0.000 claims description 3
- 239000011734 sodium Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 claims description 2
- 239000004743 Polypropylene Substances 0.000 claims description 2
- 229910001431 copper ion Inorganic materials 0.000 claims description 2
- ORTQZVOHEJQUHG-UHFFFAOYSA-L copper(II) chloride Chemical compound Cl[Cu]Cl ORTQZVOHEJQUHG-UHFFFAOYSA-L 0.000 claims description 2
- XTVVROIMIGLXTD-UHFFFAOYSA-N copper(II) nitrate Chemical compound [Cu+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O XTVVROIMIGLXTD-UHFFFAOYSA-N 0.000 claims description 2
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 claims description 2
- OPQARKPSCNTWTJ-UHFFFAOYSA-L copper(ii) acetate Chemical compound [Cu+2].CC([O-])=O.CC([O-])=O OPQARKPSCNTWTJ-UHFFFAOYSA-L 0.000 claims description 2
- QNZRVYCYEMYQMD-UHFFFAOYSA-N copper;pentane-2,4-dione Chemical compound [Cu].CC(=O)CC(C)=O QNZRVYCYEMYQMD-UHFFFAOYSA-N 0.000 claims description 2
- 150000002825 nitriles Chemical class 0.000 claims description 2
- 229920001155 polypropylene Polymers 0.000 claims description 2
- 238000003756 stirring Methods 0.000 claims description 2
- RBORURQQJIQWBS-QVRNUERCSA-N (4ar,6r,7r,7as)-6-(6-amino-8-bromopurin-9-yl)-2-hydroxy-2-sulfanylidene-4a,6,7,7a-tetrahydro-4h-furo[3,2-d][1,3,2]dioxaphosphinin-7-ol Chemical compound C([C@H]1O2)OP(O)(=S)O[C@H]1[C@@H](O)[C@@H]2N1C(N=CN=C2N)=C2N=C1Br RBORURQQJIQWBS-QVRNUERCSA-N 0.000 claims 7
- QGJOPFRUJISHPQ-NJFSPNSNSA-N carbon disulfide-14c Chemical compound S=[14C]=S QGJOPFRUJISHPQ-NJFSPNSNSA-N 0.000 claims 1
- UXGNZZKBCMGWAZ-UHFFFAOYSA-N dimethylformamide dmf Chemical group CN(C)C=O.CN(C)C=O UXGNZZKBCMGWAZ-UHFFFAOYSA-N 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 20
- 238000010438 heat treatment Methods 0.000 abstract description 8
- 238000001035 drying Methods 0.000 abstract description 3
- 239000000835 fiber Substances 0.000 abstract description 2
- 239000007787 solid Substances 0.000 abstract description 2
- 150000001879 copper Chemical class 0.000 abstract 1
- 238000002791 soaking Methods 0.000 abstract 1
- 239000000758 substrate Substances 0.000 abstract 1
- 229910052717 sulfur Inorganic materials 0.000 abstract 1
- 239000011593 sulfur Substances 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 25
- 239000002086 nanomaterial Substances 0.000 description 9
- 238000009987 spinning Methods 0.000 description 9
- 238000001228 spectrum Methods 0.000 description 8
- GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical class [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 description 4
- 239000011159 matrix material Substances 0.000 description 3
- 229910052979 sodium sulfide Inorganic materials 0.000 description 3
- 229910052724 xenon Inorganic materials 0.000 description 3
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 3
- 230000010748 Photoabsorption Effects 0.000 description 2
- 238000003556 assay Methods 0.000 description 2
- 230000008033 biological extinction Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000002173 high-resolution transmission electron microscopy Methods 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 238000010189 synthetic method Methods 0.000 description 2
- 238000010792 warming Methods 0.000 description 2
- 239000003643 water by type Substances 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012830 cancer therapeutic Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- LVYZJEPLMYTTGH-UHFFFAOYSA-H dialuminum chloride pentahydroxide dihydrate Chemical compound [Cl-].[Al+3].[OH-].[OH-].[Al+3].[OH-].[OH-].[OH-].O.O LVYZJEPLMYTTGH-UHFFFAOYSA-H 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 238000007306 functionalization reaction Methods 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- 239000008204 material by function Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002070 nanowire Substances 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 229940124597 therapeutic agent Drugs 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/51—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with sulfur, selenium, tellurium, polonium or compounds thereof
- D06M11/55—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with sulfur, selenium, tellurium, polonium or compounds thereof with sulfur trioxide; with sulfuric acid or thiosulfuric acid or their salts
- D06M11/56—Sulfates or thiosulfates other than of elements of Groups 3 or 13 of the Periodic Table
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/44—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds
- D01F6/54—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds of polymers of unsaturated nitriles
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/18—Synthetic fibres consisting of macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/26—Polymers or copolymers of unsaturated carboxylic acids or derivatives thereof
- D06M2101/28—Acrylonitrile; Methacrylonitrile
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
- Woven Fabrics (AREA)
Abstract
The invention relates to polyacrylonitrile/copper sulphide photo-thermal nanofiber fabric, and a production method and an application thereof. Polyacrylonitrile PAN nanofibers are used as a substrate, and copper sulphide CuS nano-particles are distributed on the surfaces of the polyacrylonitrile PAN nanofibers. The production method has the steps of soaking PAN nanofiber cloth including copper salts into sulfur source solution for sulfidizing, and drying. According to the fabric and the production method thereof provided by the invention, photo-thermal material is extended to the solid fibers from the solution, so that utilization limitation of the photo-thermal material is broken, and the fabric is expected to be widely applied to the fields of new generation solar heating equipment and new generation solar warm clothes.
Description
Technical field
The invention belongs to photo-thermal nano material and its preparation and application, more particularly to a kind of polyacrylonitrile/copper sulfide
Photo-thermal nano-fiber cloth and its preparation and application.
Background technology
Optothermal material is that the luminous energy of specific band directly can be converted to the emerging function nano material of heat energy by a class.Mesh
Before, optothermal material is mainly used as a kind of Cancer therapeutic agents, be widely studied (Adv.Mater.2011,23,3542-
3547；Adv.Mater.2013,25:2095-2100；Adv.Mater.2016,28:245-253.).Current optothermal material master
There are four big class:Organic nano material, metal-based nano material, c-based nanomaterial, semiconductor nano material.Wherein, partly lead
Body photo-thermal nano material is a class photo-thermal material, have the advantages that to prepare it is simple, cheap, be easy to functionalization.As
A kind of medical treatment reagent, optothermal material usually needs to be dispersed in water or biomass solution, and this causes people for photo-thermal
The research and application of material is only resided within the solution of photo-thermal nano material, limits its range of application.
Luminous energy can be converted into heat energy by optothermal material, if its heat for producing can directly be used in actual life
To warm oneself, this will have huge potential value for solar heating equipment of new generation.However, photo-thermal material in the solution
The material temperature to be reached is limited, and programming rate is simultaneously unhappy, and produced heat is limited in solution, is used in daily life
Inconvenience, it is difficult to popularized and be widely applied.Therefore, in order to expand the range of application of optothermal material, need optothermal material
In combination with the matrix material of other forms, such as photothermal deformation cloth is prepared, this can be by the photothermal deformation property of material from molten
Liquid status are extended on solid matrix so that the use range of optothermal material is greatly increased, for optothermal material is in daily life
In use and promote, it is significant.
The content of the invention
The technical problem to be solved is to provide a kind of polyacrylonitrile/copper sulfide photo-thermal nano-fiber cloth and its system
Standby and application, synthetic method of the present invention is simple, and synthesis condition is gentle, cheap and with very wide light abstraction width, this
It is bright by the way that copper sulfide nano material is mutually combined with polymers for general use nanofiber, preparing can be efficiently direct by sunshine
The photo-thermal nano-fiber cloth of heat energy is converted to, can be used for heating of house, dual-use camping outdoors facility, new type solar energy self-produced
The fields such as hot warmth-retaining clothing, save the energy that warming is consumed, and improve amenity, set in solar heating of new generation
There is larger application prospect in applying.
A kind of polyacrylonitrile/copper sulfide photo-thermal the nano-fiber cloth of the present invention, the photo-thermal nano-fiber cloth is with polypropylene
Based on nitrile PAN nanofibers, copper sulfide CuS nano particles are distributed in polyacrylonitrile (PAN) nanofiber surface.
A kind of preparation method of the polyacrylonitrile/copper sulfide photo-thermal nano-fiber cloth of the present invention, including：
(1) polyacrylonitrile (PAN) is added in organic solvent, stirring and dissolving obtains PAN solution, is subsequently adding mantoquita, obtains
Electrostatic spinning raw material solution, then carries out electrostatic spinning, obtains the PAN nano-fiber cloths containing mantoquita；
(2) by the above-mentioned immersion of the PAN nano-fiber cloths containing mantoquita sulphur source solution, vulcanizing treatment is carried out, it is cold under room temperature
But drying is taken out afterwards, obtains polyacrylonitrile/copper sulfide photo-thermal nano-fiber cloth.
The mean molecule quantity of polyacrylonitrile (PAN) is 150000 in the step (1)；Organic solvent is N, N- dimethyl formyls
Amine DMF.
The mass percentage concentration of PAN is 5～12% in PAN solution in the step (1).
Solvent is stirred in the step (1) under the conditions of 60 DEG C, to be stirred overnight dissolving.
Mantoquita is copper sulphate, copper chloride, copper nitrate, copper acetate and acetylacetone copper Cu (C in the step (1)5H7O2)2
In one or more, in electrostatic spinning raw material solution copper ion concentration be 0.1～0.8mol/L.
Electrostatic spinning process parameter is in the step (1)：10～25kV of voltage, the μ L/ of solution fltting speed 20～200
Min, 10～50 DEG C of spinning temperature, envionmental humidity 20～60%, it is 15～30cm to receive distance, and aluminium foil collects Nanowire
Dimension.
In the step (1) average diameter of the PAN nanofibers containing mantoquita be 200～1000nm, thickness be 40～
1500μm。
Sulphur source is one or more in ammonium sulfide, vulcanized sodium, thiocarbamide, carbon disulfide and elemental sulfur in the step (2),
The solvent of copper source solution be water, ethanol, carbon disulfide in one or more, in sulphur source solution the concentration of element sulphur be 0.01～
0.5mol/L。
Vulcanizing treatment is in the step (2)：Curing temperature is 50～100 DEG C, and cure time is 0.5～6h.
The application of a kind of polyacrylonitrile/copper sulfide photo-thermal nano-fiber cloth of the present invention, in solar energy warm equipment and too
Application in positive energy insulation garment.
Invention of the present invention has obtained PAN-CuS photo-thermal nano-fiber cloths under conditions of more gently using two-step method, has
There are very wide absorbing properties and efficient photothermal deformation performance.Relative to the heat energy that CuS under solution state is produced, photo-thermal nanometer
Heat produced by fiber cloth is used directly in daily heating, is protected with solar energy of new generation in solar heating equipment of new generation
Warmly taking in dress has huge using value.
The present invention uses two-step method, first prepares the PAN nano fiber non-woven fabrics with copper source presoma using electrostatic spinning,
Carry out again In-situ sulphiding, obtain PAN-CuS photo-thermal nano-fiber cloths.In the present invention, PAN nanofibers provide light as matrix
The carrier function of hot material, CuS is used as the good photo absorption performance of functional materials offer and photothermal deformation performance.
Photo-thermal nano-fiber cloth in the present invention has very wide light abstraction width (200～2000nm) and efficient light
Hot-cast socket ability, can absorb most of luminous energy in sunshine, and be converted directly into heat energy, under xenon lamp irradiation, its surface temperature
Degree can be raised rapidly and more than 100 DEG C.
Beneficial effect
(1) present invention is prepared for a kind of photo-thermal nanofiber under gentle synthesis condition using simple synthetic method
Cloth, its is cheap, with very wide photo absorption performance and efficient photothermal deformation performance；
(2) present invention is first extended to CuS nanoparticles optothermal material from solution in fibrous material, breaches solution state
Using for lower optothermal material is limited to so that the heat produced by optothermal material can be directly used for warming, can save the winter
The energy resource consumption that season heating is produced, possesses huge answering in solar heating equipment of new generation, new type solar energy insulation garment
With value.
Description of the drawings
Fig. 1 is prepared PAN-Cu (C in the embodiment of the present invention 15H7O2)2The low power (a) of nano-fiber cloth, high power (b)
SEM pictures；
Fig. 2 is (a) low power of prepared PAN-CuS photo-thermal nano-fiber cloth in the embodiment of the present invention 1, (b) high power SEM figure
Piece, and (c) low power and (d) high-resolution TEM photos；
Fig. 3 is prepared PAN-CuS photo-thermal nano-fiber cloth and pure PAN nano-fiber cloth in the embodiment of the present invention 1
XRD spectrum；
Fig. 4 is prepared PAN-CuS, PAN-Cu (C in the embodiment of the present invention 15H7O2)2With the suction of pure PAN nano-fiber cloths
Light spectrum；
Fig. 5 is prepared PAN-CuS, PAN-Cu (C in the embodiment of the present invention 15H7O2)2With pure PAN nano-fiber cloths flat
Equal light intensity 2.1W/cm2Under intensification collection of illustrative plates；
Fig. 6 is the extinction spectrum of prepared PAN-CuS nano-fiber cloths in the embodiment of the present invention 2；
Fig. 7 is prepared PAN-CuS nano-fiber cloths in the embodiment of the present invention 2 in average intensity 2.1W/cm2Under intensification
Collection of illustrative plates.
Specific embodiment
With reference to specific embodiment, the present invention is expanded on further.It should be understood that these embodiments are merely to illustrate the present invention
Rather than restriction the scope of the present invention.In addition, it is to be understood that after the content for having read instruction of the present invention, people in the art
Member can make various changes or modifications to the present invention, and these equivalent form of values equally fall within the application appended claims and limited
Scope.
Embodiment 1
2.1g polyacrylonitrile is weighed with assay balance, in adding the round-bottomed flask equipped with 30ml organic solvent DMF, is put into and is added
In hot jacket, temperature setting is 60 DEG C, magnetic stirrer over night dissolving.Second day, the Cu of 0.2658g is added in gained PAN solution
(C5H7O2)2, de-soak is stood after being uniformly dissolved, obtain opaque bluish violet spinning solution.Take 10mL spinning solutions and be put into injection
Electrostatic spinning is carried out in device, spinning temperature is set as 50 DEG C, spinning voltage is 16.91kV, it is 45 μ L/min to inject speed, relatively
Humidity is 25% or so, and using aluminium foil nanofiber is collected, and it is 20cm to receive distance, obtains the PAN nanofibers of cupric
Cloth, from figure 1 it appears that the diameter distribution of these nanofibers is more uniform, average diameter is between 300～350nm.
Weigh the hydrated sodium sulfides of 0.5404g nine to add in 45mL deionized waters, the vulcanized sodium for being configured to 0.05mol/L is molten
Liquid, takes the PAN-Cu (C of 9 × 15cm5H7O2)2Nano-fiber cloth, together with aluminium foil together immerse with sodium sulfide solution in,
In putting it into 80 DEG C of baking oven afterwards, the time that arranges is 120 minutes, after its natural cooling, takes out sample in 60 DEG C of baking ovens
Obtain PAN-CuS photo-thermal nano-fiber cloths after middle drying, the pattern of the nanofiber as shown in Fig. 2 as seen from the figure, CuS nanometers
Crystal is evenly distributed PAN nanofiber surfaces by growth in situ, by TEM photos (Fig. 2 c), can more clearly observe
To PAN nanofibers and the CuS nano particles on its surface, high-resolution TEM photos display CuS nano particle height crystallization, lattice
0.32nm (see Fig. 2 d), the compound JCPDS 06-0464 of the diffraction maximum in its XRD spectrum are spaced about, have further proved CuS's
Crystallinity.Fig. 4 is pure PAN nanofibers, PAN-Cu (C5H7O2)2The suction of nano-fiber cloth and PAN-CuS photo-thermal nano-fiber cloths
Light spectrum, as seen from the figure, PAN-CuS photo-thermal nano-fiber cloths have light absorptive in the range of from 200nm to 2000nm, cover
The overwhelming majority in solar spectrum, is 2.1W/cm in average intensity2Xenon lamp simulator under, PAN-CuS photo-thermal nano-fiber cloths
Can be brought rapidly up, internal surface temperature can reach 101 DEG C (Fig. 5) within 3 minutes.
Embodiment 2
1.4g polyacrylonitrile is weighed with assay balance, in adding the round-bottomed flask equipped with 20ml organic solvent DMF, is put into and is added
In hot jacket, temperature setting is 60 DEG C, magnetic stirrer over night dissolving.Second day, the Cu of 0.1329g is added in gained PAN solution
(C5H7O2)2, de-soak is stood after being uniformly dissolved, obtain opaque bluish violet spinning solution.Take 20mL spinning solutions and be put into injection
Electrostatic spinning is carried out in device, spinning temperature is set as 35 DEG C, spinning voltage is 16.08kV, it is 35 μ L/min to inject speed, relatively
Humidity is 25% or so, and using aluminium foil nanofiber is collected, and it is 15cm to receive distance, obtains the PAN nanofibers of cupric
Cloth.
0.9ml ammonium sulfide solutions (element sulphur mass percent >=8%) are measured with liquid-transfering gun to add in 45mL deionized waters,
The sodium sulfide solution of 0.05mol/L is configured to, the PAN-Cu (C of 9 × 15cm are taken5H7O2)2Nano-fiber cloth, together with aluminium foil together
In the sodium sulfide solution that immersion is matched somebody with somebody, during 80 DEG C of baking oven is put it into afterwards, the time that arranges is 120 minutes, treats its nature
After cooling, take out after sample is dried in 60 DEG C of baking ovens and obtain PAN-CuS photo-thermal nano-fiber cloths.Fig. 6 is under the conditions of use is somebody's turn to do
The extinction spectrum of the PAN-CuS photo-thermal nano-fiber cloths for obtaining, as seen from the figure, PAN-CuS photo-thermal nano-fiber cloths are in broadband
It is interior to cover the overwhelming majority in solar spectrum with stronger light absorptive, it is 2.1W/cm in average intensity2Xenon lamp simulator shine
Penetrate down, PAN-CuS photo-thermal nano-fiber cloth can be brought rapidly up, internal surface temperature highest can be more than 85 DEG C (Fig. 7) within 3 minutes.
Claims (10)
1. a kind of polyacrylonitrile/copper sulfide photo-thermal nano-fiber cloth, it is characterised in that：The photo-thermal nano-fiber cloth is with polypropylene
Based on nitrile PAN nanofibers, copper sulfide CuS nano particles are distributed in polyacrylonitrile (PAN) nanofiber surface.
2. the preparation method of a kind of polyacrylonitrile as claimed in claim 1/copper sulfide photo-thermal nano-fiber cloth, including：
(1) polyacrylonitrile (PAN) is added in organic solvent, stirring and dissolving obtains PAN solution, is subsequently adding mantoquita, obtains electrostatic
Spinning solution, then carries out electrostatic spinning, obtains the PAN nano-fiber cloths containing mantoquita；
(2) by the above-mentioned immersion of the PAN nano-fiber cloths containing mantoquita sulphur source solution, vulcanizing treatment is carried out, is dried, obtain poly- third
Alkene nitrile/copper sulfide photo-thermal nano-fiber cloth.
3. a kind of preparation method of polyacrylonitrile according to claim 2/copper sulfide photo-thermal nano-fiber cloth, its feature exists
In：The mean molecule quantity of polyacrylonitrile (PAN) is 150000 in the step (1)；Organic solvent is N,N-dimethylformamide
DMF。
4. a kind of preparation method of polyacrylonitrile according to claim 2/copper sulfide photo-thermal nano-fiber cloth, its feature exists
In：The mass percentage concentration of PAN is 5～12% in PAN solution in the step (1).
5. a kind of preparation method of polyacrylonitrile according to claim 2/copper sulfide photo-thermal nano-fiber cloth, its feature exists
In：Solvent is stirred in the step (1) under the conditions of 60 DEG C, to be stirred overnight dissolving.
6. a kind of preparation method of polyacrylonitrile according to claim 2/copper sulfide photo-thermal nano-fiber cloth, its feature exists
In：Mantoquita is copper sulphate, copper chloride, copper nitrate, copper acetate and acetylacetone copper Cu (C in the step (1)5H7O2)2In one
Plant or several, copper ion concentration is 0.1～0.8mol/L in electrostatic spinning raw material solution.
7. a kind of preparation method of polyacrylonitrile according to claim 2/copper sulfide photo-thermal nano-fiber cloth, its feature exists
In：Electrostatic spinning process parameter is in the step (1)：10～25kV of voltage, the μ L/min of solution fltting speed 20～200, spin
10～50 DEG C of temperature of silk, envionmental humidity 20～60%, it is 15～30cm to receive distance, and aluminium foil collects nanofiber.
8. a kind of preparation method of polyacrylonitrile according to claim 2/copper sulfide photo-thermal nano-fiber cloth, its feature exists
In：Sulphur source is one or more in ammonium sulfide, vulcanized sodium, thiocarbamide, carbon disulfide and elemental sulfur, copper source in the step (2)
The solvent of solution is one or more in water, ethanol, carbon disulfide, and the concentration of sulphur source solution is 0.01～0.5mol/L.
9. a kind of preparation method of polyacrylonitrile according to claim 2/copper sulfide photo-thermal nano-fiber cloth, its feature exists
In：Vulcanizing treatment is in the step (2)：Curing temperature is 50～100 DEG C, and cure time is 0.5～6h.
10. the application of a kind of polyacrylonitrile as claimed in claim 1/copper sulfide photo-thermal nano-fiber cloth, it is characterised in that：
Application in solar energy warm equipment and solar energy warm clothes.
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