CN111704894B - Assembling preparation method of efficient solar heating surface - Google Patents

Assembling preparation method of efficient solar heating surface Download PDF

Info

Publication number
CN111704894B
CN111704894B CN202010498361.9A CN202010498361A CN111704894B CN 111704894 B CN111704894 B CN 111704894B CN 202010498361 A CN202010498361 A CN 202010498361A CN 111704894 B CN111704894 B CN 111704894B
Authority
CN
China
Prior art keywords
assembly
substrate
solar heating
soaking
polyelectrolyte
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202010498361.9A
Other languages
Chinese (zh)
Other versions
CN111704894A (en
Inventor
马莹
高林娇
郭敏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Donghua University
Original Assignee
Donghua University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Donghua University filed Critical Donghua University
Priority to CN202010498361.9A priority Critical patent/CN111704894B/en
Publication of CN111704894A publication Critical patent/CN111704894A/en
Application granted granted Critical
Publication of CN111704894B publication Critical patent/CN111704894B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K5/00—Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
    • C09K5/08—Materials not undergoing a change of physical state when used
    • C09K5/14—Solid materials, e.g. powdery or granular
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y40/00—Manufacture or treatment of nanostructures
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C15/00—Surface treatment of glass, not in the form of fibres or filaments, by etching
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
    • C03C17/34—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
    • C03C17/36—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal
    • C03C17/38—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal at least one coating being a coating of an organic material
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C2217/00—Coatings on glass
    • C03C2217/20—Materials for coating a single layer on glass
    • C03C2217/25—Metals
    • C03C2217/27—Mixtures of metals, alloys
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C2218/00—Methods for coating glass
    • C03C2218/10—Deposition methods
    • C03C2218/11—Deposition methods from solutions or suspensions
    • C03C2218/111—Deposition methods from solutions or suspensions by dipping, immersion
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C2218/00—Methods for coating glass
    • C03C2218/10—Deposition methods
    • C03C2218/11—Deposition methods from solutions or suspensions
    • C03C2218/115—Deposition methods from solutions or suspensions electro-enhanced deposition

Abstract

The invention relates to an assembly preparation method of a high-efficiency solar heating surface. The method comprises the following steps: pretreating a planar substrate, and then modifying polyelectrolyte; preparing different metal nano particle hydrosols, and mixing the different metal nano particle hydrosols; and (3) soaking the plane substrate for modifying the electrolyte into the obtained mixed nanoparticle colloid, and carrying out plane linear assembly driven by a multistage electrostatic field. The method is simple, expensive equipment is not needed, and the prepared nano particle linear assembly has good controllability and high-efficiency photothermal conversion capability.

Description

Assembling preparation method of efficient solar heating surface
Technical Field
The invention belongs to the field of functional film material preparation, and particularly relates to an assembly preparation method of a high-efficiency solar heating surface.
Background
Reducing energy consumption is a major challenge in sustainable development of modern society, and the use of high efficiency solar heating surfaces as building windows can promote indoor and outdoor heat balance, increase average radiant temperature through photothermal conversion, prevent heat transfer to cold outdoors, and increase thermal efficiency of buildings to save energy consumption in winter. Current solar heating surfaces are composed of traditional glass and photothermal materials, including metal-based, carbon-based, and semiconductor-based materials based on advanced manufacturing techniques, among others. However, most photothermal materials are black in color, and a solar heating surface having both an excellent photothermal conversion effect and suitable visible light transparency has yet to be searched for.
The metal nano particles have unique surface plasma resonance property, and can be linearly assembled, so that the longitudinal coupling of plasma resonance can be obviously enhanced, and the surface plasma resonance peak is subjected to red shift and appears as a coupling peak, thereby generating broadband absorption in a near infrared region and having wide application prospect in the field of photothermal conversion. However, when nanoparticle linear assemblies are applied to planar materials, they tend to stack randomly, thereby eliminating their structural advantage in light wave response. To date, planar linear assemblies of nanoparticles have been prepared mainly by ion beam (FIB) and Electron Beam Lithography (EBL) etching techniques and templating, the preparation process of which is complicated and relies on expensive equipment.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a simple method for planar linear assembly of nanoparticles, so as to overcome the problems that the planar assembly of nanoparticles prepared by the prior art excessively depends on expensive equipment and the preparation process is complex, and further develop an efficient method for preparing the solar heating surface in an amplifying way.
The invention provides an assembly preparation method of a high-efficiency solar heating surface, which comprises the following steps:
(1) pretreating a planar substrate, and then modifying polyelectrolyte;
(2) preparing different metal nanoparticle hydrosols by a citrate reduction method, and mixing the different metal nanoparticle hydrosols to obtain a mixed nanoparticle colloid;
(3) and (3) dipping the plane substrate modified with polyelectrolyte into the mixed nanoparticle colloid in the step (2), and carrying out plane linear assembly driven by a multistage electrostatic field to obtain a linear assembly body of the solar heating surface.
The pretreatment in the step (1) comprises the following steps: immersing the planar substrate in deionized water, ultrasonically oscillating, and placing in H2SO4And H2O2And (4) treating in the mixed solution. The method specifically comprises the following steps: dipping the planar substrate in deionized water and carrying out ultrasonic oscillation for 10 min; the planar substrate was then placed in a volume ratio of 7: 3 concentrated sulfuric acid H2SO4And hydrogen peroxide H2O2Heating the mixed solution until a large amount of bubbles are generated and disappear, taking out, cooling, washing with deionized water, soaking the substrate in deionized water, ultrasonically shaking and cleaning for 3 times, 10min each time, and drying with nitrogen.
The planar substrate in the step (1) is a conventional planar substrate in the field, and comprises an inorganic non-metallic material or a synthetic polymer material.
The inorganic non-metallic material is an inorganic non-metallic material conventionally used in the field, and preferably, one or more of a glass sheet, a quartz sheet, a silicon wafer and a mica sheet.
The synthetic polymer material is a synthetic plastic material conventionally used in the art, and preferably, one or more of polyethylene terephthalate, poly (4-methyl-1-pentene), polyethylene, polychlorotrifluoroethylene and polytetrafluoroethylene.
The electrolyte in the step (1) is as follows: a polymer having an amine group as a functional group or a polymer having an amine group as a functional group and a polymer having a carboxyl group as a functional group.
The polymer with the amino functional group is one or more of poly (diallyldimethylammonium hydrochloride) (PDDA), poly (allylmethyl amine hydrochloride) (PAH), branched poly (vinylamine) PEI and linear poly (vinylamine) PVA.
The polymer with the functional group being carboxyl is one or more of polystyrene sulfonic acid sodium salt PSS, polyacrylic acid PAA and negative mercapto derivatives.
The method for modifying polyelectrolyte in the step (1) comprises the following steps: alternately depositing a polycationic electrolyte and a polyanionic electrolyte on the pretreated planar substrate. The method specifically comprises the following steps: firstly, soaking a substrate in 1mg/ml polycation electrolyte aqueous solution for 30min, then soaking and washing in deionized water for 3 times, wherein each time is 1min, and drying by blowing nitrogen; then soaking the substrate in 1mg/ml polyanion electrolyte aqueous solution for 15min, soaking and washing for 3 times, each time for 1min, and drying by nitrogen; the immersion is carried out for more than 3 times in the cycle until the substrate can provide abundant cationic charges as binding sites.
The plane substrate pretreated in the step (1) is positively charged after being modified with polyelectrolyte.
The metal nano particles in the step (2) are one or more of gold, silver, platinum, iridium and rhodium noble metal nano particles.
The metal nano particles are gold nano particles, and the preparation method of the metal nano particle hydrosol comprises the following steps: 500mL of HAuCl was added under stirring4The aqueous solution (1.0mM) was heated to boiling, then 50mL of aqueous sodium citrate (38.8mM) was added, the reaction mixture was kept boiling and stirred for 30min until the Au hydrocolloid turned a wine red color, and heating was stopped and stirring was continued until it was cooled to room temperature.
The metal nano particles are silver nano particles, and the preparation method of the metal nano particle hydrosol comprises the following steps: 500mL of AgNO was added under stirring3The aqueous solution (1.1mM) was heated to boiling, then 10mL of aqueous sodium citrate solution (36.2mM) was added, the mixture was kept boiling and stirred for 1h, the resulting Ag hydrocolloid showed a yellow-gray color, and stirring was continued with heating stopped until it was cooled to room temperature.
The mixed nanoparticle colloid in the step (3) is as follows: gold nanoparticle colloid and silver nanoparticle colloid in a volume ratio of 8:2-5: 5.
The invention also provides a linear assembly prepared by the method.
The invention also provides an application of the linear assembly prepared by the method.
The multistage electrostatic field related by the invention is provided by nano particles with different surface charge strengths, drives the nano particles to perform anisotropic motion in a plane, and promotes random generation of nano particle oligomers on a substrate and in-plane growth of nano particle chains by the repulsion competition balance of electrostatic force and the cooperation of van der Waals force and dipole interaction among the nano particles, thereby realizing planar linear assembly of the nano particles.
According to the invention, the linear assembly in the metal nanoparticle plane is driven by a multistage electrostatic field, so that the surface plasma effect of the metal nanoparticles is enhanced, the surface plasma resonance peak is subjected to red shift and appears a coupling peak, and broadband absorption is generated in a near infrared region, thereby obtaining the solar heating surface with high-efficiency photothermal conversion capability. The photothermal conversion effect of the surface is based on a plasmon-induced thermionic transfer mechanism. The metal nanoparticles generate plasmons under solar radiation, which are immediately attenuated into thermal electrons, thereby heating the surrounding environment. The chain-like shape of the metal nanoparticle linear assembly can further improve the transmission efficiency of hot electrons through the longitudinal coupling of plasma resonance. The metal nano particle linear assembly obviously enhances the longitudinal coupling of plasma resonance, and enables the surface plasma resonance peak to generate red shift and generate a coupling peak, thereby generating broadband absorption in a near infrared region and further obtaining the high-efficiency photothermal conversion capability.
According to the invention, linear assembly is carried out on the surface of the substrate by a dipping method, so that solar heating surfaces with different photo-thermal conversion capacities can be obtained.
The high-efficiency solar heating surface prepared by the invention is formed by linearly assembling metal nano particles driven by a multistage electrostatic field, has high-efficiency photo-thermal conversion capability, and can achieve excellent solar heating effect and appropriate visible transparency when being applied to a building window, thereby saving energy consumption in building heating.
Advantageous effects
(1) The invention provides a novel method for plane linear assembly of nano particles, which is simple and strong in practicability, can realize industrial application and production, and develops a simple preparation method of a high-efficiency solar heating surface, thereby solving the contradiction between the photothermal conversion effect and the visible light transmittance of metal nano particles in the application of energy-saving glass.
(2) The invention utilizes multistage electrostatic field to drive assembly, and promotes random generation of nano particle oligomer on the substrate and in-plane growth of nano particle chains by repulsive competitive balance of electrostatic force in cooperation with van der Waals force and dipole interaction among nano particles, thereby realizing linear plane assembly of nano particles, enhancing plasma effect of metal nano particles and obtaining a solar heating surface with high-efficiency photo-thermal conversion capability and excellent light transmission.
(3) The method is simple, expensive equipment is not needed, and the prepared nano particle linear assembly has good controllability.
Drawings
FIG. 1 is a schematic representation of the solar-heated surface photo-thermal conversion of the present invention;
FIG. 2 is a TEM topography of AuNPs used in examples 1, 2, 3;
FIG. 3 is a TEM topography of AgNPs used in examples 1, 2, 3;
FIG. 4 is an SEM topography of linearly assembled Au NPs after assembling Au/Ag for 8/22 h in example 1;
fig. 5 is the visible light transmittance of the linearly assembled Au NPs film obtained in the Au/Ag-8/2 solution in example 1;
fig. 6 is a solar heating force diagram of Au NPs linearly assembled at Au/Ag 8/2 in example 1;
FIG. 7 is an SEM topography of linearly assembled Au NPs after assembling Au/Ag for 7/32 h in example 2;
fig. 8 is a solar heating force diagram of Au NPs linearly assembled at Au/Ag 7/3 in example 2;
FIG. 9 is an SEM topography of linearly assembled Au NPs after assembling Au/Ag for 5/52 h in example 3;
fig. 10 is a solar heating force diagram of Au NPs linearly assembled at Au/Ag 5/5 in example 3.
Detailed Description
The invention will be further illustrated with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and such equivalents may fall within the scope of the present invention as defined in the appended claims.
Example 1
(1) The pretreatment of the common glass sheet comprises the following specific operation steps:
glass pieces (7X 7 cm)2) Soaking in deionized water, and cleaning for 10min by ultrasonic vibration; the glass sheet was then placed in a volume ratio of 7: 3 concentrated sulfuric acid H2SO4And hydrogen peroxide H2O2Heating the mixed solution until a large amount of bubbles are generated and disappear, taking out, cooling, washing with deionized water, soaking the glass sheet in the deionized water, ultrasonically shaking and cleaning for 3 times, 10min each time, and drying with nitrogen.
(2) The specific preparation steps of the polyelectrolyte substrate modification layer of the glass sheet are as follows:
alternately depositing poly (diallyldimethylammonium chloride) (PDDA) and sodium polystyrene sulfonate (PSS) on the pretreated glass sheet, wherein the deposition steps are as follows: firstly, soaking a glass sheet in 1mg/ml PDDA aqueous solution for 30min, and rinsing for 3 times with deionized water for 1min each time; then, the same steps are continuously used for alternately soaking the mixture in 1mg/ml PSS aqueous solution and PDDA aqueous solution for 15min respectively, and the mixture is cleaned and dried by nitrogen for standby.
(3) The preparation of the gold nanoparticle colloid and the silver nanoparticle colloid comprises the following specific operation steps:
synthesized by citrate reduction method, 500mL HAuCl is added under stirring4The aqueous solution (1.0mM) was heated to boiling, then 50mL of aqueous sodium citrate (38.8mM) was added, the reaction mixture was kept boiling and stirred for 30min until the Au hydrocolloid turned a wine red color, and heating was stopped and stirring was continued until it was cooled to room temperature. Similarly, 500mL of AgNO was mixed under stirring3The aqueous solution (1.1mM) was heated to boiling, then 10mL of aqueous sodium citrate solution (36.2mM) was added, the mixture was kept boiling and stirred for 1h, the resulting Ag hydrocolloid showed a yellow-gray color, and stirring was continued with heating stopped until it was cooled to room temperature.
Sodium citrate (C) used6H5Na3O7·2H2O), tetrachloroauric acid trihydrate (HAuCl)4·3H2O), silver nitrate (AgNO)3) Polydiallyldimethylammonium hydrochloride (PDDA) and polystyrene sulfonic acid sodium salt (PSS) were purchased from Sigma-Aldrich, all of which were analytically pure without further purification.
(4) The preparation method of the metal nanoparticle planar linear assembly comprises the following specific operation steps:
and (3) mixing the gold nanoparticle colloid and the silver nanoparticle colloid in the step (3) according to the volume ratio of 8: and 2, fully mixing, soaking the glass substrate obtained in the step 2 in mixed colloid for 1-6 hours, carrying out multistage electrostatic field driven metal nanoparticle plane linear assembly, taking out the glass substrate after the soaking is finished, soaking and washing in deionized water for 3 times, wherein the soaking and washing is carried out for 1min each time, and drying by nitrogen.
The structure characterization and photothermal performance study of the linear assembly are performed in the present example. In the mixed colloid of Au/Ag-8/2, NP oligomer began to appear in large amounts on the substrate surface 1h after assembly. The surface temperature change of the linear assembly was measured under the irradiation of a solar simulator (3.2 sun). Compared with the 52.4 ℃ of the dispersed Au nanoparticle film, the temperature of the assembled vermicular Au NP is increased to 58.2 ℃ after the assembly for 3 hours of irradiation for 10 minutes, and the photothermal conversion effect is better.
FIG. 2 shows that: the Au NPs are spherical, and the average particle size of the Au NPs is 14.2 +/-1.7 nm;
FIG. 3 shows: the shapes of the used Ag NPs comprise spherical and elliptical shapes, and the average grain diameter of the Ag NPs is 68.7 +/-8.8 nm;
FIG. 4 shows that: SEM topography of NP membrane after 2h assembly in Au/Ag-8/2 solution. A large amount of small-particle-size Au NPs and large-particle-size Ag NPs are deposited on the planar substrate, wherein the small-particle-size Au NPs present a worm-shaped linear assembly structure;
FIG. 5 shows that: the transmittance of the linear assembled Au NPs film obtained from the Au/Ag-8/2 solution in a visible light region of 300-800 nm is basically higher than 70%, and the film has good light transmittance;
FIG. 6 shows that: the infrared thermal imaging photograph of the linearly assembled Au NPs film obtained in the solution of 8/2 and after 10min under the radiation of 3 solar intensities shows that the photothermal conversion capability of the film is continuously enhanced along with the increase of the assembling time of the nano particles.
Example 2
In this embodiment, the volume ratio of the gold/silver nanoparticle mixed colloid is 7: 3, the immersion time is 2-6 h, and other control conditions of the experiment are the same as those of the embodiment 1. Specifically, as the proportion of Au was decreased, the generation of Au NP oligomer and the growth of Au NP chain became difficult, and NP oligomer appeared at assembly 2 h. The assembly was performed for 6h, and the temperature of the Au NP assembly was raised to 57.4 ℃ after 10min irradiation.
FIG. 7 shows that: after 2h of assembly in Au/Ag-7/3 solution, Au NPs deposited on the planar substrate exhibited a worm-like linear assembly structure, slightly shorter than the worm-structured nanoparticle chain in fig. 4 (Au/Ag-8/2);
FIG. 8 shows that: the ir thermography of the linearly assembled Au NPs film obtained in the Au/Ag 7/3 solution after 10min under 3 solar intensity radiation shows that its photothermal conversion capacity increases with the increase of nanoparticle assembly time, wherein the NP film temperature for 6h assembly can be raised to 57.4 ℃.
Example 3
In this embodiment, the volume ratio of the gold/silver nanoparticle mixed colloid is 5:5, the immersion time is 3-6 h, and other control conditions of the experiment are the same as those of the embodiment 1. As the Au ratio decreased, the appearance of NP oligomer with Au/Ag-5/5 delayed to 3h, and the length of the Au NPs chain decreased accordingly. The assembly was performed for 6h, and the temperature of the Au NP assembly was raised to 55.9 ℃ after 10min irradiation.
FIG. 9 shows that: au NPs deposited on planar substrates also exhibited worm-like linear assembly structures after assembly in Au/Ag 5/5 solution for 2h, where the number of nanoparticle worm chains was lower compared to fig. 7(Au/Ag 7/3);
FIG. 10 shows: the ir-thermography of linearly assembled Au NPs films obtained from solution Au/Ag 5/5 after 10min under 3-sun irradiation shows that the photothermal conversion capacity increases with the increase of the nanoparticle assembly time, wherein the temperature of the assembled 6h NP films can be raised to 55.9 ℃, and the temperature raising effect is reduced compared to Au/Ag 8/2 and Au/Ag 7/3.
Comparative example 1
Preparation of Au and TiO by layer-by-layer sputter deposition technique2The surface of the composite nanoparticle is specifically prepared by thermally evaporating a layer of chromium with the thickness of 2nm by Evatec BAK501LL to serve as an adhesion layer, and then alternately depositing Au and TiO by using a Von Ardenne CS 320C sputtering instrument in an argon environment2. The temperature rise of 13 ℃ is realized under 2.4 sun irradiations, and the temperature difference effect is far smaller than the temperature rise of 31.7 ℃ under 3 sun irradiations. In addition, the light transmittance is only 2 percent and is far less than the visible light transmittance of the invention to 70 percent.

Claims (6)

1. A method of fabricating an assembly of solar heating surfaces, comprising:
(1) pretreating a planar substrate, and then modifying polyelectrolyte, wherein the pretreated planar substrate is positively charged after modifying the polyelectrolyte, and the method for modifying the polyelectrolyte comprises the following steps: firstly, soaking a substrate in 1mg/ml polycation electrolyte aqueous solution for 30min, then soaking and washing in deionized water for 3 times, wherein each time is 1min, and drying by blowing nitrogen; then soaking the substrate in 1mg/ml polyanion electrolyte aqueous solution for 15min, soaking and washing for 3 times, each time for 1min, and drying by nitrogen; the alternate immersion is carried out for more than 3 times in the cycle until the substrate can provide abundant cationic charges as binding sites;
(2) preparing different metal nanoparticle hydrosols by a citrate reduction method, and mixing the different metal nanoparticle hydrosols to obtain a mixed nanoparticle colloid;
(3) dipping the plane substrate of the modified polyelectrolyte in the step (1) into the mixed nanoparticle colloid in the step (2), and carrying out plane linear assembly driven by a multistage electrostatic field to obtain a linear assembly body of the solar heating surface, wherein the mixed nanoparticle colloid is as follows: gold nanoparticle colloid and silver nanoparticle colloid in a volume ratio of 8:2-5: 5.
2. The assembly manufacturing method according to claim 1, wherein the planar substrate in the step (1) comprises one or more of a glass sheet, a quartz sheet, a silicon sheet and a mica sheet.
3. The assembly manufacturing method according to claim 2, wherein the pretreatment in the step (1) is: cleaning the planar substrate with H2SO4And H2O2And (3) mixed solution treatment, wherein the pretreated planar substrate is positively charged after being modified with polyelectrolyte.
4. The assembly preparation method of claim 1, wherein the polycationic electrolyte is one or more of polydiallyldimethylamine hydrochloride (PDDA), polymethacrylamine hydrochloride (PAH), branched Polyvinylamine (PEI), and linear Polyvinylamine (PVA); the polyanion electrolyte is one or more of sodium polystyrene sulfonate (PSS), polyacrylic acid (PAA) and negative sulfydryl derivatives.
5. A solar heating surface linear assembly prepared by the assembly preparation method of claim 1.
6. The application of the solar heating surface linear assembly prepared by the assembly preparation method according to claim 1 in energy-saving glass.
CN202010498361.9A 2020-06-04 2020-06-04 Assembling preparation method of efficient solar heating surface Active CN111704894B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010498361.9A CN111704894B (en) 2020-06-04 2020-06-04 Assembling preparation method of efficient solar heating surface

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010498361.9A CN111704894B (en) 2020-06-04 2020-06-04 Assembling preparation method of efficient solar heating surface

Publications (2)

Publication Number Publication Date
CN111704894A CN111704894A (en) 2020-09-25
CN111704894B true CN111704894B (en) 2021-07-20

Family

ID=72539249

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010498361.9A Active CN111704894B (en) 2020-06-04 2020-06-04 Assembling preparation method of efficient solar heating surface

Country Status (1)

Country Link
CN (1) CN111704894B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113045217A (en) * 2021-03-19 2021-06-29 北京化工大学 Preparation method of layer-by-layer self-assembly photo-thermal transparent anti-icing material

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101462388A (en) * 2009-01-13 2009-06-24 四川大学 Compound film enhanced by inclusion complex of ring molecule and polymer and preparation method thereof
CN101492254A (en) * 2009-02-27 2009-07-29 东南大学 Method for producing high-surface reinforced Raman scattering active single-layer silver nanoparticle film
CN102016814A (en) * 2005-06-17 2011-04-13 北卡罗来纳大学查珀尔希尔分校 Nanoparticle fabrication methods, systems, and materials
CN102020241A (en) * 2010-11-11 2011-04-20 吉林大学 Method for realizing surface induction self-assembly of nano particles on edge of masking film
CN102632026A (en) * 2012-05-08 2012-08-15 吉林大学 Preparation method of self-repairing conductive coating
WO2014058290A1 (en) * 2012-10-12 2014-04-17 Vitro Vidrio Y Cristal, S.A. De C.V. Coating having solar control properties for a substrate, and method and system for depositing said coating on the substrate
CN104871035A (en) * 2012-12-20 2015-08-26 3M创新有限公司 Method of making multilayer optical film comprising layer-by-layer self-assembled layers and articles
CN105229090A (en) * 2013-05-31 2016-01-06 3M创新有限公司 LBL self assembly comprises method and the goods of the polymer electrolyte of photoabsorption or Photostabilised compound
CN105669046A (en) * 2014-11-21 2016-06-15 东华大学 Fluorescent enhancement nano thin film and preparation method thereof
KR101698319B1 (en) * 2015-10-27 2017-01-20 주식회사 지앤아이솔루션 Solar heat barrier coating solution composition
CN106633721A (en) * 2016-11-18 2017-05-10 中国科学院深圳先进技术研究院 Self-repair material and article with shape memory effect and preparation method thereof

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102016814A (en) * 2005-06-17 2011-04-13 北卡罗来纳大学查珀尔希尔分校 Nanoparticle fabrication methods, systems, and materials
CN101462388A (en) * 2009-01-13 2009-06-24 四川大学 Compound film enhanced by inclusion complex of ring molecule and polymer and preparation method thereof
CN101492254A (en) * 2009-02-27 2009-07-29 东南大学 Method for producing high-surface reinforced Raman scattering active single-layer silver nanoparticle film
CN102020241A (en) * 2010-11-11 2011-04-20 吉林大学 Method for realizing surface induction self-assembly of nano particles on edge of masking film
CN102632026A (en) * 2012-05-08 2012-08-15 吉林大学 Preparation method of self-repairing conductive coating
WO2014058290A1 (en) * 2012-10-12 2014-04-17 Vitro Vidrio Y Cristal, S.A. De C.V. Coating having solar control properties for a substrate, and method and system for depositing said coating on the substrate
CN104871035A (en) * 2012-12-20 2015-08-26 3M创新有限公司 Method of making multilayer optical film comprising layer-by-layer self-assembled layers and articles
CN105229090A (en) * 2013-05-31 2016-01-06 3M创新有限公司 LBL self assembly comprises method and the goods of the polymer electrolyte of photoabsorption or Photostabilised compound
CN105669046A (en) * 2014-11-21 2016-06-15 东华大学 Fluorescent enhancement nano thin film and preparation method thereof
KR101698319B1 (en) * 2015-10-27 2017-01-20 주식회사 지앤아이솔루션 Solar heat barrier coating solution composition
CN106633721A (en) * 2016-11-18 2017-05-10 中国科学院深圳先进技术研究院 Self-repair material and article with shape memory effect and preparation method thereof

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
"Directed self-assembly of microscale hydrogels by electrostatic interaction";Yu Long Han等;《BIOFABRICATION》;20130329(第5期);1-10 *
"Microfabrication through Electrostatic Self-Assembly";Joe Tien等;《Langmuir》;19970729;第13卷;5349-5355 *
"Wetting translucency of graphene on plasmonic nanohole arrays";Syed Mohammad Abid Hasan等;《2D Materials》;20191231;1-23 *
"基于静电相互作用的超分子组装及解组装研究";贾伟;《中国优秀硕士学位论文全文数据库 工程科技Ⅰ辑》;20180315(第03期);B014-244 *

Also Published As

Publication number Publication date
CN111704894A (en) 2020-09-25

Similar Documents

Publication Publication Date Title
CN110483924B (en) Super-hydrophobic self-cleaning radiation cooling film and preparation method thereof
KR101334601B1 (en) Metal nanowire with high linearity, fabrication method of the same and transparent conducting film comprising the same
CN107155365B (en) Conductive metal network including metal nanometer line and metal nanoparticle and the method for manufacturing it
CN111704894B (en) Assembling preparation method of efficient solar heating surface
WO2022166345A1 (en) Large-scale preparation method for three-dimensional porous nano composite cooling thin film
CN113882154A (en) Flexible PPy/MXene-PDA photo-thermal fabric for solar evaporator and preparation method thereof
CN108097267B (en) Preparation method of sulfide quantum dot modified graphene/titanium oxide nano microsphere photocatalytic material
CN112980399A (en) Super-hydrophilic copper-based MOF (metal organic framework) photo-thermal material as well as preparation method and application thereof
CN103794377B (en) Dye-sensitized solar cell (DSSC) photo-anode and manufacturing method and application thereof
CN112574634B (en) Fast-curing powder coating and preparation method thereof
CN106842757B (en) NiO nano-structure array material, preparation method, electrochromic device
CN202650582U (en) Novel electro-conductive glass fiber material
CN1803312A (en) Preparation method of double-surface high-reflection high conductivity polyimide/silver film
CN107382092A (en) TiO with Nanoparticles Embedded structure2 /WO3Compound electrochromic membrane and preparation method thereof
CN103934472B (en) The method of the silver-colored micro-nano granules of a kind of electric field-assisted annealing preparation
CN107513370A (en) A kind of preparation method of semiconductor quantum piece hybridization film material
CN110944416A (en) Graphene composite slurry, heating coating and preparation method thereof
CN107376951B (en) Sunlight catalytic porous glass and preparation method thereof
CN114031307B (en) Photothermal anti-fog glass plate and preparation method thereof
CN112442669B (en) Preparation method of self-cleaning antireflection film
CN107512732A (en) A kind of yellow titanium dioxide nanocrystalline and preparation method thereof
AU2016258878B2 (en) Coated glass for solar reflectors
CN105428543B (en) Improvement of MoO3Preparation method of buffer layer performance of solar cell
CN111592039B (en) Method for rapidly preparing BiOCl nanosheet array
JP7133183B2 (en) VO2-supporting hollow particles having thermochromic properties and method for producing the same

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant