TWI474524B - Preparation of the high efferent flexible polymeric solar cell - Google Patents

Description

Method for preparing high-efficiency polymer-based material solar plastic soft board

The invention relates to a method for preparing a high-efficiency polymer-based material solar plastic soft board, in particular to a polymer-based solar energy using a roll-to-roll process to produce high yield and high photovoltaic efficiency. Plastic soft board can achieve energy-saving and carbon-reducing, creating new energy treatment methods.

According to the current, solar panels are mainly inorganic solar panels, organic dye-sensitized solar panels, and polymer-based solar panels. Although the light absorption efficiency or the photovoltaic specific efficiency of the inorganic solar panel is about 25 to 29%, the process technology is high, the process equipment is expensive, and the process speed is slow.

However, at present, the light absorption efficiency or the photovoltaic specific efficiency of the organic dye-sensitized solar panel is about 9 to 15%, and the process technology is high, the process equipment is expensive, and the process speed is slow.

In addition, the current process of polymer-based solar panels is mainly a single-layer structure, a multi-layer structure and a micro-phase separation structure process, and the light absorption efficiency or the photovoltaic specific efficiency is about 5.2 to 6.5%, but the process technology is low and the process equipment is low. Cheap and fast process speed is an advantage.

The Republic of China Patent Publication No. I313286 refers to a concentrating plate for forming a solar panel assembly, and the surface of the concentrating plate is provided with a light collecting portion for increasing light absorption. And a light-receiving portion is disposed on the light collecting portion, and a coating layer for collecting light can be grown on the surface of the light-receiving portion, and a transparent protective layer is sealed on the plating layer; and when the light is irradiated into the lighting portion, The lighting section repeatedly reflects the light, so as to increase the contact area between the light and the light collecting plate, and double the light collecting rate of the light collecting plate.

However, the method disclosed above is mainly applicable to the production of the light collecting plate, which can be quickly and massively extruded into a plate body by the extruding machine, and the plate body which is pushed out again can be continuously formed by the forging of the cutter wheel of the uniform specification, the die forging, the grinding wheel or the milling cutter. The light collection department, but for the processing that requires rapid and large-scale, large-scale and continuous procedures, it is not possible to directly produce more efficient and rapid production and reduce production costs.

In view of the above, the object of the present invention is to provide a method for preparing a high-efficiency polymer-based material solar plastic soft board, in particular to the current process advantages of the polymer-based solar plastic soft board and its low light absorption efficiency or photovoltaic efficiency. The problem.

According to the object of the present invention, a method for preparing a high-efficiency polymer-based material solar plastic soft board is provided, in particular, a roll-to-roll process for producing a high yield, high photovoltaic efficiency polymer. Based on solar energy plastic soft board, it can achieve energy-saving and carbon-reducing, creating new energy treatment methods, by at least one set of rotary applicator, one set of rotary electrospinning equipment, one set of pre-heat treatment equipment, and at least one set of packaging equipment .

Wherein, the spun fiber of the rotary electrospinning device can produce fibers of different fineness according to requirements, and the fiber fineness can be from 10 nanometers (nm) to 500 micrometers (μm).

The polymer-based material solar plastic soft board structure comprises at least a support material, a hole conductive layer, a hole injection material, a hole transmission material, a light absorbing material, an electron transport material, an electron injection material, and a support material. Among them, the above polymer base The support material of the material solar plastic soft board comprises glass, plastic and metal film, and the surface of the support material has conductive layers such as (ITO, FTO), and the plastic material can be PET, PEN, PI, PES, PMMA, PC. The electron or hole conductive layer material of the polymer-based material solar plastic soft board may be a conjugated high of Polythiophenes (PTHs), Fullerenes (PCBM), PEDOT/PSS, Polyphenylenevinylenes (PPVs), Polyfluorenes (PFs), and the like. Molecular based materials. It is further prepared by using a spin coater to form a thin film of electron or hole conductive layer material of 50 nanometers (nm) to 500 micrometers (μm) thick, and is spun by electrospinning technology from 10 nanometers (nm) to 500 micrometers (μm) of nanofibers were coated on the electronically conductive layer. The light absorbing material of the polymer-based material solar plastic soft board may be a high light absorbing dye material such as an azo dye, an anthraquinone dye or a metal coupling dye. Wherein, the method for preparing the polymer-based material solar plastic soft board, the polymer electron or the hole nano-fiber must be combined with the film of the same nature to form a complete electron or hole transfer circuit. Wherein, the method for preparing the polymer-based material solar plastic soft board adds the high-efficiency light absorbing material to increase the light absorption efficiency, thereby improving the photovoltaic efficiency. Wherein, the method for preparing the polymer-based material solar plastic soft board is used for heating and pressing the upper plate and the lower plate in a vacuum environment at the same time, so that the upper plate and the lower plate are bonded and pressed, and then used after cutting the material. The packaging device is molded.

According to the above, a method for preparing a high-efficiency polymer-based material solar plastic soft board according to the present invention has the following effects: a method for preparing a high-efficiency polymer-based material solar plastic soft board according to the present invention, except for utilizing The high specific surface area of rice fiber and high-efficiency light absorbing material can effectively improve the efficiency of photovoltaic absorption and light conversion, and further utilize the continuous properties of nanofiber to provide electron hole flow channel to enhance the light conversion of polymer-based solar plastic soft board. Efficiency, period can significantly increase light absorption efficiency Rate or photovoltaic efficiency, can achieve energy and carbon reduction, create new energy treatment methods.

FIG. 1 is a schematic view showing an embodiment of a method for preparing a high-efficiency polymer-based material solar plastic soft board according to the present invention.

Fig. 2 is a schematic view showing the structure of a high-efficiency polymer-based material solar plastic soft board according to the present invention.

Please refer to FIG. 1 , which is a schematic diagram of an embodiment of a method for preparing a high-efficiency polymer-based material solar plastic soft board according to the present invention.

In the figure, the hole injection layer or the interface layer coating, the hole transport layer and the light absorbing material coating, the electron transport layer and the light absorbing material coating, the electron injection layer transport layer or the interface layer coating, and the hole are respectively performed. Transmission fiber or hole transmission and optical fiber composite fiber spinning, electronic transmission fiber or electron transmission and optical absorption material composite fiber spinning, combined with materials of spin coater and rotary electron spinning equipment to prepare extremely high photovoltaic efficiency The polymer-based material solar plastic soft board.

The above-mentioned spun fiber of the rotary electrospinning apparatus can produce fibers of different fineness according to requirements, and the fiber fineness can be from 10 nanometers (nm) to 500 micrometers (μm).

The polymer-based material solar plastic soft board structure comprises at least a support material, a hole conductive layer, a hole injection material, a hole transmission material, a light absorbing material, an electron transport material, an electron injection material, and a support material.

The support material of the polymer-based material solar plastic soft board comprises glass, plastic and metal film, and the surface of the support material has a conductive layer (ITO, FTO), and the plastic material can be PET, PEN, PI, PES, PMMA. , PC.

The electronic conductive layer material of the above polymer-based material solar plastic soft board is They are conjugated polymer-based materials such as Polythiophenes (PTHs), Fullerenes (PCBM), PEDOT/PSS, Polyphenylenevinylenes (PPVs), and Polyfluorenes (PFs). It is further prepared by using a spin coater to prepare an electron (or hole) conductive film of 10 nanometers (nm) to 500 micrometers (μm) thick, and the diameter is 10 nanometers (nm) by electrospinning. Electron (or hole) conductive nanofibers up to 500 micrometers (μm) are coated on the electron (or hole) conductive film. Then, a hole (or electronic) conductive material is filled between the nanofibers by a spin coater to prepare a conductive nanofiber film of 10 micrometers (μm) to 5000 micrometers (μm) thick.

The light absorbing material of the polymer-based material solar plastic soft board may be an azo dye, an anthraquinone dye, a metal dye, or a high absorption light dye.

In the method for preparing the polymer-based material solar plastic soft board, the polymer electron or the hole nanofiber must be combined with the film of the same nature to form a complete electron or hole transfer circuit.

The method for preparing the polymer-based material solar plastic soft board, the light absorbing material is added to increase the light absorption efficiency, thereby improving the photovoltaic efficiency.

The method for preparing the polymer-based material solar plastic soft board is used for heating and pressing the upper plate and the lower plate simultaneously under vacuuming, so that the upper plate and the lower plate are bonded and pressed, and then the package is used after the material is cut. Equipment is made and molded.

Please refer to FIG. 2, which is a schematic structural view of a high-efficiency polymer-based material solar plastic soft board according to the present invention.

In the preparation method, a continuous conductive film (ITO, FTO) is coated on the continuous plastic film by a physical vapor deposition coating instrument, and the film thickness is about 10 micrometers (μm) to 5000 micrometers (μm).

In the preparation method, a layer is coated on the ITO plastic film by a spin coater. A charge (hole) injection layer having a film thickness of about 10 micrometers (μm) to 5000 micrometers (μm).

In the preparation method, a charge (electron (or hole)) transport layer is coated on the charge injection layer by a spin coater, and has a film thickness of about 10 micrometers (μm) to 5000 micrometers (μm).

In the preparation method, a charge (electron (or hole)) transport layer of nanofibers is spun on a charge transport layer by a rotary electron spinning apparatus, and the nanofibers have a diameter of about 10 nm (nm). ) to 500 micrometers (μm), the nanofiber membrane thickness is about 10 micrometers (μm) to 5000 micrometers (μm).

In the preparation method, a very thin light absorbing layer is coated on the nanofiber of the charge transport layer by a spin coater, and the light absorbing layer has a thickness of about 10 nanometers (nm) to 500 micrometers (μm).

In the preparation method, a space other than the nanofiber of the charge transport layer and the space above the light absorbing layer is filled with a reverse charge (hole (or electron)) transport layer by a spin coater, the film thickness thereof It is about 10 micrometers (μm) to 5000 micrometers (μm).

In the preparation method, a charge (electron (or hole)) injection layer is coated on the charge transport layer injection layer by a spin coater, and the film thickness is about 10 micrometers (μm) to 500 micrometers (μm). ).

In the preparation method, on the other hand, a continuous conductive film is coated with a cathode conductive layer (Al, Ca) by a physical vapor deposition coating, and the film thickness is about 10 micrometers (μm) to 5000 micrometers (μm).

In the preparation method, using a rotating coating on the already coated (Al, Ca) plastic film A layer of charge (electron) injection layer is applied, and the film thickness is about 10 micrometers (μm) to 500 micrometers (μm). An electron (or hole) conductive film of 10 nanometers (nm) to 500 micrometers (μm) thick is prepared by using a spin coater, and a diameter of 10 nanometers (nm) to 500 micrometers is sputtered by an electrospinning technique. (μm) electron (or hole) conductive nanofibers are coated on the electron (or hole) conductive film. Then, a hole (or electronic) conductive material is filled between the nanofibers by a spin coater to prepare a conductive nanofiber film of 10 micrometers (μm) to 5000 micrometers (μm) thick.

In the preparation method, a continuous plastic film prepared by the upper plate and the lower plate is combined by a roll-to-roll process, and then a packaging process is performed to prepare a high-efficiency polymer-based material solar plastic soft board. .

The above is intended to be illustrative only and not limiting. Any equivalent modifications or alterations to the spirit and scope of the invention are intended to be included in the scope of the appended claims.

Claims (10)

The invention relates to a method for preparing a high-efficiency polymer-based material solar plastic soft board, which comprises the following steps: Step 1: at least one set of spin coaters is designed according to process requirements, and is used for coating and preparing a hole injection layer or electricity. a hole interface layer, a coating preparation hole transport layer and a light absorbing material, a coating preparation electron transport layer and a light absorbing material, a coating preparation electron injection layer transport layer or an electron interface layer; and a second step: at least one set of rotary electron spinning Wire equipment, designed according to process requirements, for spinning hole transmission fiber or hole transmission and light absorbing material composite fiber, for spinning electronic transmission fiber or electron transmission and light absorbing material composite fiber, or for spinning The electronic transmission fiber and the hole transmission fiber are mixed, or used for spinning the electron transmission and the hole transmission composite fiber; Step 3: mixing at least one rotary applicator and one set of rotary electrospinning equipment for mixing and matching Preparation of single-layer, double-layer, multi-layer composite structure; Step 4: at least mixing polymer-based materials, with organic materials and inorganic materials, can be Polythiophenes (PTHs), Fulle High-light-absorbing dye materials such as renes (PCBM), PEDOT/PSS, Polyphenylenevinylenes (PPVs), Polyfluorenes (PFs), TiO ₂ , Cr ₂ O ₅ , ZnO, and azo dyes, lanthanide dyes, and metal coupling dyes Step 5: At least one set of pre-heat treatment equipment is used to remove the solvent in the polymer film or fiber, thereby improving the crystallinity in the polymer film or fiber, and improving the crystallinity of the film in the film and the nanofiber. Increase the transmission rate of electrons or holes; Step 6: At least one package of equipment, using a roll-to-roll process, using the continuity of nanofibers combined with a thin layer of the same material to form a high photovoltaic By converting the specific surface area material, the light conversion efficiency of the polymer-based solar panel is improved, and the electronic electric flow channel is further provided by utilizing the continuous property of the nano fiber, which can increase the light absorption efficiency or the photovoltaic efficiency. The method for preparing a high-efficiency polymer-based material solar plastic soft board according to the first aspect of the invention, wherein the spinning fiber system of the rotary electrospinning device can manufacture fibers of different fineness according to requirements, and the fiber thereof The fineness may range from 10 nanometers (nm) to 500 micrometers (μm). The method for preparing a high-efficiency polymer-based material solar plastic soft board according to the first aspect of the invention, wherein the thickness of the solar plastic soft board is from 10 micrometers (mm) to 5000 micrometers (μm). The method for preparing a high-efficiency polymer-based material solar plastic soft board according to the first aspect of the invention, wherein the polymer-based material solar plastic soft board structure comprises at least a support material, a hole conductive layer, and a hole Injection material, hole transport material, light absorbing material, electron transport material, electron injecting material, and support material. The method for preparing a high-efficiency polymer-based material solar plastic soft board according to the first aspect of the invention, wherein the support material of the polymer-based material solar plastic soft board comprises glass, plastic, metal film, and the support thereof The surface of the material has a conductive layer (ITO, FTO), and the plastic material may be PET, PEN, PI, PES, PMMA, PC. The method for preparing a high-efficiency polymer-based material solar plastic soft board according to the first aspect of the patent application, wherein the polymer-based material solar plastic soft board The electronic conductive layer material may be a conjugated polymer-based material such as Polythiophenes (PTHs), PCBM, PEDOT/PSS, Polyphenylenevinylenes (PPVs), and Polyfluorenes (PFs). It is further prepared by using a spin coater to form an electron (or hole) conductive film of 10 nanometers (nm) to 500 micrometers (μm) thick, and is spun from 10 nanometers (nm) to diameter by electrospinning. 500 micrometer (μm) electron (or hole) conductive nanofibers are coated on the electron (or hole) conductive film. Then, a hole (or electronic) conductive material is filled between the nanofibers by a spin coater to prepare a conductive nanofiber film of 10 micrometers (μm) to 5000 micrometers (μm) thick. The method for preparing a high-efficiency polymer-based material solar plastic soft board according to the first aspect of the invention, wherein the high-efficiency light absorbing material of the polymer-based material solar plastic soft board is an azo dye. High-efficiency light absorbing and absorbing materials such as lanthanide dyes and metal coupling dyes. The method for preparing a high-efficiency polymer-based material solar plastic soft board according to the first aspect of the invention, wherein the method for preparing the polymer-based material solar plastic soft board, the conjugated polymer electron (or a hole) Nanofibers must be combined with films of opposite electrical properties to form a complete electron or hole transfer loop. The method for preparing a high-efficiency polymer-based material solar plastic soft board according to the first aspect of the invention, wherein the method for preparing the polymer-based material solar plastic soft board uses a conjugated polymer nanofiber. The high light absorption property of the high specific surface area and the addition of the high light absorbing material to significantly increase the light absorption efficiency, thereby improving the photovoltaic efficiency. The method for preparing a high-efficiency polymer-based material solar plastic soft board according to claim 1, wherein the polymer-based material solar plastic soft board The preparation method is characterized in that the upper plate and the lower plate are simultaneously pressed in a vacuum environment, and the upper plate and the lower plate are bonded and pressure-molded, and then the finished product is cut and the final package is formed by using UV light.