317 results about "PEDOT:PSS" patented technology

The invention discloses a preparation method of a salt-resistant polyurethane sponge evaporator for a photo-thermal interface, which comprises the following steps: taking polyurethane sponge as a support framework, taking polyvinyl alcohol as a precursor solution, adding carbon black and PEDOT: PSS (poly (3, 4-ethylenedioxythiophene): poly (styrenesulfonate)) into the precursor solution as photo-thermal materials, and synthesizing the salt-resistant polyurethane sponge evaporator by an extrusion thermal crosslinking freeze-drying method. According to the obtained evaporator, the excellent photothermal conversion performance of carbon black / PEDOT: PSS and a porous framework structure mainly comprising polyurethane / polyvinyl alcohol are fully utilized, the water absorption, the mechanical performance and the photothermal conversion efficiency of the evaporator are effectively improved, the heat conductivity is reduced, it is guaranteed that salt crystals do not appear inside and on the surface of the evaporator while efficient interface evaporation is achieved, and the service life of the evaporator is prolonged. The device can be widely applied to solar interface evaporation in saline water, actual seawater or high-salinity wastewater so as to obtain clean water resources.

The invention discloses nano-porous aerogel based on carboxymethyl chitosan as well as a preparation method and application of the nano-porous aerogel, and belongs to the technical field of biomass-based aerogel. The aerogel is prepared from the following raw materials in parts by weight: 2.5 parts of deionized water, 0.075 part of carboxymethyl chitosan (CMC), 0.0075 to 0.0225 part of carboxylated multi-walled carbon nanotubes (C-CNT), 0.01125 part of glutaraldehyde (GA), 0.01 part of poly (3, 4-ethylenedioxythiophene)-poly (styrene sulfonic acid) (PEDOT: PSS) and 10 parts of dimethyl sulfoxide (DMSO). According to the preparation method, CM C is used as a matrix, C-CNT is used as an internal conductive material and a strength enhancing material, hydrogel is formed under the action of a cross-linking agent GA, and CMC / C-CNT aerogel is prepared through directional freeze drying; cMC / C-CNT is taken as a substrate, then PEDOT: PSS is dip-coated to obtain CMC / C-CNT / PEDOT: PSS, the CMC / C-CNT / PEDOT: PSS is taken as an external conductive substance, the CMC / C-CNT / PEDOT: PSS and internal C-CNT form a double-conductive network, aerogel with excellent conductive performance and mechanical performance is prepared, the prepared aerogel is used for preparing an aerogel sensor, and the prepared sensor has high mechanical performance and high electrical performance.

The invention belongs to the field of conductive films, and discloses a preparation method of a conductive film based on PEDOT: PSS and silver nanowires, and the preparation method specifically comprises the following steps: after carrying out surface hydroxylation treatment on the silver nanowires AgNWs, under the action of a silane coupling agent 3-(trimethoxymethylsilyl) propyl methacrylate TMSPMA, mixing the silver nanowires AgNWs with PEDOT: PSS to prepare a PEDOT: PSS / AgNWs base solution; the preparation method comprises the following steps: adjusting the pH value of a base solution to be nearly neutral through sodium citrate, then mixing the base solution with a PEA emulsion, carrying out spin coating to form a film, and finally, carrying out ultrafast laser treatment to improve the conductivity so as to obtain the conductive film based on PEDOT: PSS and silver nanowires. The conductive film provided by the invention has high conductivity (gt; 1200 S / cm), good stability and excellent mechanical properties, and is suitable for a flexible electronic device and stable work in a certain humidity environment.

The invention provides a preparation method and application of a quantum dot light-emitting diode based on interface modification, and belongs to the technical field of quantum dot materials. The preparation method comprises the following steps: (1) spin-coating PEDOT: PSS-4083 on ITO (Indium Tin Oxide) to obtain a hole injection layer; (2) spin-coating polyvinyl carbazole on the hole injection layer in the step (1) to obtain a hole transport layer; (3) spin-coating pyridine on the hole transport layer in the step (2) to obtain a modification layer; (4) spin-coating ZnCdS / ZnS quantum dot normal octane on the modification layer in the step (3) to obtain a quantum dot film; and (5) spin-coating an Mg-doped ZnO ethanol solution on the quantum dot film in the step (4), and performing high-vacuum evaporation to obtain the quantum dot light-emitting diode. Compared with an original device, the EQE of the prepared quantum dot light emitting diode is improved by 16.5%, and the highest brightness is improved by 12.5%.

The present invention discloses a VN 0.52 O 0.26 The method of combining nanoparticles with PEDOT:PSS thermoelectric nanocomposite film is used to prepare VN by pyrolysis of urea to generate ammonia and react with NaVO3 at high temperature. 0.52 O 0.26 Nanoparticles, constructing P-type PEDOT:PSS and N-type VN 0.52 O 0.26 The pn junction barrier of the nanoparticle organic-inorganic composite and the energy filtering effect between the nanoparticles and the organic PEDOT interface are used to improve the conductivity, Seebeck coefficient and power factor of the thermoelectric composite film. The organic-inorganic thermoelectric nanocomposite film prepared has a Seebeck coefficient of 62.75μV / K and a power factor of 474.424μWm at 90°C. ‑1 K ‑2 .

The invention discloses a sweat glucose detection bandage and a preparation method thereof, a hydrophobic layer OTS film and a UVO or plasma surface treatment technology are introduced to enhance the comparison between a hydrophobic region and a hydrophilic region, and an accurate patterned wettability surface can be simply and conveniently obtained, so that PEDOT: PSS is accurately deposited in a channel region and a grid region. In addition, due to the fact that the OTS treatment is conducted on the two faces of the bandage, after the UVO treatment is conducted on the single face of the bandage, the hydrophilic and hydrophobic difference is formed on the two faces of the bandage. Due to the structure, retention and diffusion of liquid on the surface are reduced, one-way flow of the detected liquid is effectively guided, and accuracy and stability of sweat glucose detection are ensured.

The present invention discloses a memristor based on a GaN / PEDOT:PSS planar heterojunction and a preparation method thereof, including a substrate; a GaN thin film, the GaN thin film is p-type conductive, and the GaN thin film is attached to the surface of the substrate; a PEDOT:PSS organic layer, the PEDOT:PSS organic layer is p-type conductive, and the PEDOT:PSS organic layer is attached to the surface of the GaN thin film; a first electrode, forming an ohmic contact with the GaN thin film; and a second electrode, forming an ohmic contact with the PEDOT:PSS organic layer. Through the combined action of the space charge layer generated by the GaN / PEDOT:PSS heterojunction and the nitrogen vacancies in the GaN thin film, the present invention can realize the switching of the device resistance between the high resistance state and the low resistance state under the control of an external voltage, and realize the non-volatile writing and erasing of data.

The invention belongs to the field of biomedical materials, and discloses a hydrogel patch with piezoelectricity, conductivity and high adhesion and a preparation method and application of the hydrogel patch. Polyvinyl alcohol (PVA) and acrylic acid (AA) serve as polymer frameworks of the hydrogel patch; the invention relates to a nano-zinc oxide / poly (3, 4-ethylenedioxythiophene) / poly (styrenesulfonic acid) (PEDOT: PSS) composite conductive adhesive, which comprises nano-zinc oxide (ZnO) as a piezoelectric material, poly (3, 4-ethylenedioxythiophene)-poly (styrenesulfonic acid) (PEDOT: PSS) as a conductive material, and N-hydroxysuccinimide acrylate (NHS-AA) as an adhesive functional monomer. According to the invention, active ester groups in the N-hydroxysuccinimide acrylate are utilized, so that the patch can quickly form covalent amido bonds with amino groups on the surface of a tissue in a dry state, firm adhesion is realized, local nerve repair can be effectively promoted through a piezoelectric effect, a novel ideal material is provided for disease treatment, and the patch has wide application prospects. Wide clinical application prospects are realized in the field of biological medicines.

The invention relates to the technical field of memristors, and provides a chitosan-based memristor which comprises a substrate, a buffer layer, a composite dielectric layer and a top electrode which are sequentially stacked from bottom to top, the buffer layer is formed by spin-coating a PEDOT: PSS aqueous solution on the substrate and then carrying out heat treatment; the composite dielectric layer is formed by spin-coating the buffer layer with an ultrasonic composite solution formed by a graphene oxide aqueous dispersion and a chitosan acetic acid solution and then carrying out heat treatment. By adopting a collaborative architecture of the chitosan-graphene oxide composite dielectric layer and the PEDOT: PSS buffer layer, the prepared bio-based memristor has the effects of relatively high switching ratio, relatively low operating voltage and good performance stability. Meanwhile, based on stable high and low resistance states of the device, all seven basic logic operations including a NOT gate, an AND gate, an OR gate, a NAND gate, a NOR gate, an XOR gate and an XNOR gate are completely realized on a single bio-based platform, the function accuracy can reach 100%, and an unexpected effect is achieved.

The invention relates to the technical field of electronic materials, and discloses a nano-structure-based flexible electronic material preparation method, which comprises: 1, dissolving 80-85% of a hydrogenated styrene-butadiene block copolymer (SEBS) in a tetrahydrofuran (THF) and N-methyl pyrrolidone (NMP) mixed solvent to form a matrix solution; 2, 12%-15% of functionalized graphene (EGO-PP) with the surface grafted with PEDOT: PSS is added into the matrix solution, and ultrasonic-shearing synergistic dispersion treatment is carried out; and step 3, performing programmed cooling control on the dispersion system, and cooling from 80 DEG C to 25 DEG C in stages to complete nano-network self-assembly. Matching ([delta] [delta] t; compared with the prior art that a blending method depends on high filler loading, the method provided by the invention has the advantages that a three-dimensional interpenetrating conductive network is formed by the functionalized graphene under the ultralow content of 1.8 vol% by using an ultra-low (0.5, 0.5) and Spinodal decomposition mechanism, and compared with a blending method which depends on high filler loading, the core contradiction of material embrittlement caused by high filler concentration is solved, and the flexibility is improved by 240% or above under the same conductivity.

The invention provides an electrochemical sensor and a biological index monitoring device. The electrochemical sensor comprises a flexible substrate and a working electrode arranged on at least one side of the flexible substrate; the working electrode comprises a conductive layer; the conductive layer comprises a conductive polymer PEDOT: PSS and a plasticizer; wherein the conductive polymer PEDOT: PSS is distributed in the conductive layer in the form of linear fibers. The conductive polymer PEDOT: PSS is modified by adopting the plasticizer, so that the electrochemical activity and the conductivity of the conductive polymer PEDOT: PSS can be effectively improved, the conductive polymer PEDOT: PSS can meet the application requirement of an electrochemical sensor, and the limitation that the traditional CGMS is only based on a carbon material and a noble metal material is broken through. And meanwhile, the working electrode adopting the conductive polymer PEDOT: PSS has good flexibility, still has good conductivity and electrochemical activity after being circularly bent for multiple times, and has remarkable advantages compared with a carbon-based electrode.

The invention discloses a silver nanowire and polymer composite transparent conductive film and a preparation method thereof, and belongs to the field of conductive films. According to the preparation method disclosed by the invention, hydroxylation treatment is performed on the surface of AgNWs through ultraviolet irradiation induction to generate a large number of-OH groups, and the-OH groups and sulfonic acid groups (-SO3H) in PEDOT: PSS form chemical bonding, so that the contact resistance between the AgNWs and the PEDOT: PSS is remarkably reduced, and a continuous and efficient conductive network is constructed. Meanwhile, the tight coating structure of hydroxylated AgNWs and PEDOT: PSS effectively inhibits oxidation and ion migration of the silver nanowires in a humid and hot environment, and the stability of the transparent conductive film is remarkably improved.

The invention discloses a functional fabric capable of synchronously achieving electric heating and infrared stealth and a preparation method and application thereof.The fabric is of a sandwich structure, the outer layer is an infrared stealth layer, cellulose is used for modifying the fabric, the porosity is reduced, the capillary action is improved, a low-emissivity material and the fabric are tightly combined, the surface is smooth, the problem that inorganic materials fall off is solved, and the fabric has the function of infrared stealth. The infrared stealth effect is enhanced; the interlayer is a heat insulation layer, the aerogel is subjected to silanization modification, rigid chain segments are introduced to form a rigid-flexible physical cross-linked network, the hydrogen bond strength and mechanical performance are improved, heat loss of the inner layer is slowed down, collaborative stealth is achieved, and infrared stealth of the thin aerogel under heating is achieved; the inner layer is an electric heating layer, PEDOT: PSS and CF are compounded, and the pi-pi conjugation action of the PEDOT: PSS and the CF changes the arrangement of macromolecular chains, reduces the contact resistance of the CF, improves the conductivity of the PEDOT: PSS and enhances the electric heating performance.

The invention discloses an electromagnetic shielding aerogel framework with a concentration gradient and porosity gradient structure as well as a preparation method and application of the electromagnetic shielding aerogel framework. The aerogel framework has a multi-stage concentration gradient and porosity gradient structure in the thickness direction, and each stage of gradient structure of the aerogel framework is composed of cellulose nanofibers (CNFs), MXene and poly (3, 4-ethylenedioxythiophene)-polystyrolsulfon acid (PEDOT: PSS) in different proportions. The aerogel framework not only has ultrahigh kilomegahertz total electromagnetic shielding efficiency, but also can keep excellent low-reflection characteristic. The preparation method of the aerogel framework adopts a 3D printing technology, so that the preparation method has application flexibility, adaptability and customizability to meet large-scale preparation and industrialization.

The invention belongs to the field of conductive films, and discloses a high-oxidation-resistance silver nanowire transparent composite conductive film and a preparation method thereof.According to the transparent composite conductive film, the two sides of a conductive film containing silver nanowires are each sequentially provided with an anti-ultraviolet layer and a hydrophobic protection layer; the conductive thin film containing the silver nanowires is an AgNWs / PEDOT: PSS conductive thin film obtained by performing film forming on a mixed solution of the silver nanowires AgNWs and modified PEDOT: PSS; the anti-ultraviolet layer is a nano ZnO / PI layer obtained by film forming of a mixed solution of nano ZnO and polyimide PI; and the hydrophobic protective layer is an OTS layer formed by soaking the conductive thin film on which the anti-ultraviolet layer is formed in octadecyl trichlorosilane OTS. According to the transparent composite conductive film, the oxidation resistance is remarkably improved while high light transmittance is kept, good mechanical flexibility and conductivity are shown, and the transparent composite conductive film has wide application prospects in the fields of electronic devices and transparent electrodes.

The invention discloses a modified MXene conductive polymer bacterial cellulose composite fiber electrode and a preparation method and application thereof, and belongs to the field of composite conductive super-strong fiber preparation. The preparation method comprises the following steps: mixing K-MXene and a conductive polymer to obtain composite conductive ink; then, the strip-shaped BC hydrogel is crosslinked with composite conductive ink through a hydrogen bond, and K-MXene / PEDOT: PSS-coated BC conductive hydrogel is obtained; secondly, the conductive hydrogel is subjected to a wet state-drafting technology and a wet state-twisting technology, and K-MXene / PEDOT: PSS-BC conductive composite large fibers are obtained; finally, the p-K-MXene / PEDOT: PSS (at) BC composite conductive large fiber electrode is obtained through dip coating of PDMS dispersion liquid and solvent replacement, and the p-K-MXene / PEDOT: PSS (at) BC composite conductive large fiber electrode is obtained. The prepared fiber electrode and commercial yarn can be woven into an intelligent fabric which is used for a self-powered sensor and reliable detection of human body signals.

The invention is related to a microneedle array comprising a substrate and a plurality of hydrogel-forming microneedles arranged in the form of one or more arrays. The invention is also related to a method for producing such a microneedle array. The hydrogel-forming microneedles may be coated with a conductive polymer layer of PEDOT:PSS. The resulting microneedles may have an electrical conductivity of 100 S / m or more. Laser-based photothermal techniques such as laser-scribed phase separation (LSPS) may be used for enhancing the electrical conductivity and in vivo water stability of the PEDOT:PSS coating layer.

This invention discloses an electrochemical sensor for neutralizing antibodies applicable to whole blood and its usage method, comprising a foldable drainage region, a reaction region, and an adsorption region. The working electrode of the reaction region is coated with PEDOT:PSS conductive hydrogel material, which is then modified with PEG to immobilize specific biorecognition molecules. This invention's detection device can quickly and efficiently quantify neutralizing antibody concentrations, can be used for whole blood testing, can detect extremely low concentrations, and exhibits high sensitivity and good detection performance.

This invention proposes a patterned PEDOT:PSS hydrogel based on electrochemical pulse deposition and its preparation method. The preparation apparatus includes an electrolytic cell, an electrochemical workstation, a substrate, a conductive layer, and a sacrificial metal layer. The electrolytic cell contains a PEDOT:PSS aqueous solution. The conductive layer is connected to the working electrode of the electrochemical workstation. Under the excitation of the electrochemical workstation, the sacrificial metal layer forms metal cations, which electrostatically adsorb PEDOT:PSS in the PEDOT:PSS aqueous solution, ultimately forming a patterned shape on the conductive layer using the sacrificial metal layer as a template. This invention achieves thickness control of the patterned PEDOT:PSS hydrogel by adjusting various deposition parameters. The preparation process is simple, low-cost, and highly practical, fully realizing the patterning of PEDOT:PSS hydrogels.

The application discloses an electronic skin-oriented conductive silver paste and a preparation method and application thereof, and relates to the technical field of flexible printed electronic materials.The raw materials of the electronic skin-oriented conductive silver paste include flaky silver powder, silver nanoparticles, thermoplastic polyurethane elastomer, acrylic elastomer, PEDOT:PSS microgel dispersion, (3-glycidylpropoxy)trimethoxysilane, polydiallyldimethylammonium chloride, hexanedial modified dopamine copolymer, (3-aminopropyl)triethoxysilane, methacryloyloxypropyltrimethoxysilane, cellulose acetate, modified polyurea thixotropic agent, hydrogenated castor oil, ethylene glycol ether acetate, dibasic acid ester, leveling agent and water.The electronic skin-oriented conductive silver paste has the advantages of good electrical performance, good mechanical-electrical stability, good anti-electromigration and sweat corrosion resistance, and can still maintain dendrite-free and low drift under long-term coupling of sweat and bias, and is suitable for electronic skin.

The invention discloses a preparation method of a PEDOT: PSS composite copper grid flexible transparent conductive film. The preparation method comprises the following steps: S1, cleaning a PET substrate; s2, a PEDOT: PSS solution is adjusted; s3, PEDOT: PSS is subjected to spin coating; s4, annealing: taking out the spin-coated PEDOT: PSS seed layer, and placing the spin-coated PEDOT: PSS seed layer in a vacuum drying oven for annealing to obtain a PEDOT: PSS film; s5, pre-sputtering of a target material; s6, a Cu film is sputtered on the PEDOT: PSS / PET substrate; and S7, preparing the copper grid composite conductive film. PEDOT: PSS / PET is adopted to replace PET to serve as the substrate, PEDOT: PSS serves as the seed layer, a good wetting effect can be provided for growth of the Cu layer, on the other hand, the Cu layer and the PEDOT: PSS layer can be compounded to give play to more excellent photoelectric performance by means of the conductivity of the PEDOT: PSS, the whole process is simple, complex operation is not needed, the laser direct writing speed is high, the pattern flexibility is high, and the method is suitable for large-scale production. And pattern parameters can be adjusted at will without being limited by masks, so that the preparation cost is relatively low.

The application belongs to the technical field of semiconductor photoelectric detection, and particularly relates to a self-powered photoelectric detector based on a Cs2CuBiI6 thin film and a preparation method thereof. 61 The structure is composed of a glass substrate, a PEDOT:PSS conductive polymer layer, a Cs2CuBiI6 thin film layer, a PC The technical scheme disclosed by the application realizes the preparation of a non-lead Cs2CuBiI6 thin film by using a simple preparation method, overcomes the defects of instability and lead toxicity of a traditional perovskite structure, and the prepared photoelectric detector has excellent photoelectric detection performance such as fast response speed, which is of great significance for simplifying the process of a perovskite photoelectric detector, being environment-friendly, and further realizing practical application.

The invention discloses a preparation method of high-toughness and high-conductivity deep eutectic gel. The preparation method comprises the following steps: (1) mixing PVA and PEDOT: PSS solutions with water to obtain a PVA / PP aqueous solution; (2) adding DBSA into the PVA / PP aqueous solution, and mixing to obtain a PVA / PP / DBSA aqueous solution; (3) performing freeze thawing cycle treatment on the PVA / PP / DBSA aqueous solution to obtain PVA / PP / DBSA hydrogel; (4) mixing the ChCl with the Gly to obtain ChCl / Gly DES (Diethylbenzene Sulfonate); and (5) carrying out solvent exchange on the PVA / PP / DBSA hydrogel and ChCl / Gly DES, so as to obtain the PVA / PP / DBSA / DES deep eutectic gel. The raw materials are cheap and easily available, and the preparation method is simple and feasible. The obtained deep eutectic gel has high strength, high toughness, high conductivity and weather-resistant stability, and can be applied to various flexible bioelectronics.

The application relates to the fields of semiconductor light sources and organic photoelectric materials, and particularly relates to a coaxial flexible OLED light-emitting wire and a hole injection material. The hole injection material introduces a phosphoric acid group and a conjugated main chain structure in a dithienothiazine (DITTz) molecular skeleton, maintains excellent charge delocalization and low oxidation potential characteristics of the DITTz, forms a stable interaction with an ITO anode surface through the phosphoric acid group, significantly reduces a hole injection barrier, and improves interface combination. Compared with existing PEDOT:PSS or a carbazole-based phosphoric acid group polymer, the hole injection material has obvious advantages in aspects of a reduced starting voltage, improved light-emitting efficiency, enhanced interface stability, and device bending durability and hygrothermal stability.

The invention relates to a preparation method and application of conductive adhesive hydrogel based on cyclodextrin, required components comprise a water-soluble adhesive, PEDOT: PSS, PVA and a water-soluble ionic conductive agent, and the water-soluble ionic conductive agent adopts one of NaCl, KCl or sodium citrate. The preparation method comprises the following steps: 1, adding the ionized water and the PEDOT: PSS dispersion liquid into a beaker, and uniformly stirring; 2, adding PVA, a water-soluble ionic conductive agent and a water-soluble adhesive into the mixed solution formed in the step 1, and standing to enable PVA particles to absorb water and swell; 3, stirring the mixed solution prepared in the step 2 under a heating condition to uniformly dissolve the components to obtain a precursor mixed solution of the hydrogel; and 4, performing freeze-thaw cycle on the precursor mixed solution obtained in the step 3 to form a stable physical cross-linked network, thereby obtaining the conductive adhesive hydrogel. The precursor mixed solution prepared by the invention has excellent printability, and the hydrogel formed after crosslinking simultaneously shows the characteristics of high conductivity, stable adhesion and low modulus.

The invention discloses a PEDOT: PSS thermoelectric composite film and a preparation method and application thereof, and belongs to the technical field of flexible thermoelectric material preparation. The preparation method comprises the following steps: dissolving SnCl2.H2O particles in distilled water, stirring, adding flaky NaOH, stirring, carrying out a hydrothermal reaction on a mixed solution, carrying out centrifugal washing on a hydrothermal product, and drying to obtain SnO2 nanosheets; the preparation method comprises the following steps: sequentially adding a polar solvent, SnO2 nanosheets and distilled water into a PEDOT: PSS aqueous solution, stirring and oscillating to obtain a PEDOT: PSS mixed solution, dropwise adding the mixed solution onto a glass substrate, and drying to obtain a PEDOT: PSS thermoelectric composite film; then placing the film on a hot plate, placing metal wires at the two ends of the film respectively, dropwise adding conductive silver adhesive at the contact positions of the metal wires and the film, curing the conductive silver adhesive through heating so as to enable the metal wires to be connected with the PEDOT: PSS thermoelectric composite film, and after simulated sunlight irradiation, increasing S and reducing sigma by less than 2% so as to obtain the sigma and S decoupled PEDOT: PSS thermoelectric composite film. And decoupling of sigma and S in the thermoelectric composite film is realized.

The patent provides a MXene / CC / PEDOT:PSS high-conductivity ink and a preparation method thereof, and further prepares a high-performance flexible micro-supercapacitor through a 3D printing technology.The application takes the conductive polymer PEDOT:PSS as a spacer between MXene nanosheets, effectively prevents the stacking of MXene nanosheets, and provides more conductive paths.The mutual interaction between CC and MXene through hydrogen bonds and ionic bonds promotes the interface bonding force between them, resulting in high yield stress and unique shear thinning behavior.The "soft inside and hard outside" structure of CC improves the mechanical properties of the electrode and provides a certain capacity.The micro-supercapacitor prepared by the 3D printing technology has excellent electrochemical performance due to the synergistic effect of the electrode material and the unique structure, and has great application potential in the field of flexible energy storage.

The invention belongs to the field of conductive polymer materials, and particularly relates to a low-corrosion and high-conductivity PEDOT: PSS material and a preparation method and application thereof. Aiming at the defects in the prior art, the proton doping degree and the aggregation state structure of PEDOT: PSS are regulated and controlled through a non-reducing proton affinity agent, so that the low corrosivity and the high conductivity of the PEDOT: PSS material are realized; when the material is applied to solid-state capacitors, supercapacitors, flexible organic solar cells and organic light-emitting devices, the corrosion to polar plates can be effectively reduced, the performance of the devices is improved, the service life is prolonged, and the preparation method of the material is simple, easy to operate, green, environmentally friendly and easy to implement on a large scale.

The invention belongs to the technical field of biological medicine, and discloses an injectable hydrogel combined reagent, self-curing conductive hydrogel and application thereof. The injectable hydrogel combined reagent provided by the invention comprises a solution A and a solution B, the solution A is a first precursor solution formed by dissolving modified poloxamer PFUDAm and ammonium persulfate in deionized water; the solution B is a second precursor solution formed by dissolving N-isopropylacrylamide NIPAM, ferrous gluconate and PEDOT: PSS in deionized water, after the injectable hydrogel combined reagent is mixed in a duplex injection mode, PFUDAm, poly (N-isopropylacrylamide) and PEDOT: PSS are subjected to an oxidation-reduction reaction of ammonium sulfate and ferrous gluconate to initiate polymerization, and the self-curing conductive hydrogel is constructed. The self-curing conductive hydrogel has controllable curing time, and the self-curing conductive hydrogel has excellent swelling resistance, conductivity and good elasticity and toughness, and is expected to be combined with a cardiac pacemaker to be applied to treatment of arrhythmia.

The invention provides a preparation method of a perovskite precursor solution and an anti-radiation perovskite thin film, and belongs to the technical field of perovskite materials, and the method comprises the following steps: sequentially adding FAI, SnI2, SnF2 and EDAI2 into an usnic acid / alpha-tocopherol solution, carrying out magnetic stirring, then adding 1, 4-divinyl perfluorobutane and AIBN, continuing stirring, carrying out ultrasonic treatment, and filtering to obtain the perovskite precursor solution; and dropwise adding an arginine-PEDOT: PSS solution on the pretreated ITO substrate, carrying out spin coating, annealing treatment and cooling, further dropwise adding a perovskite precursor solution, carrying out spin coating, dropwise adding anhydrous chlorobenzene during spin coating, carrying out annealing treatment in a nitrogen atmosphere after spin coating is completed, and cooling to room temperature to prepare the anti-radiation perovskite thin film. According to the method, the stability of the film under the irradiation condition can be improved while defect and non-radiation compounding can be reduced.