Method for manufacturing polymer solar cell mixed with clad nanometer metal

A technology of solar cells and nano-metals, applied in circuits, photovoltaic power generation, electrical components, etc., can solve the problems of limited range of action, exciton quenching, and affecting the electrical properties of batteries, so as to increase light absorption efficiency and avoid exciton quenching The effect of extermination and low cost

Inactive Publication Date: 2013-09-04
QINGDAO UNIV
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  • Description
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  • Application Information

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Problems solved by technology

[0004] In the prior art, Chinese Patent No. 201110068868.1 discloses a polymer solar cell. In the preparation process of the polymer solar cell, a layer of nanometer metal nanochains composed of metal nanochains is prepared between the back electrode of the cell and the photoactive layer. Metal thin film, although this structure can effectively improve the light absorption efficiency of the battery, but directly contacting the photoactive layer can easily cause local exciton quenching and affect the electrical performance of the battery; Chinese patent No. 201210231569.x discloses an improved A polymer solar cell, the polymer solar cell is provided with nanoparticles in the electron transport layer or hole transport layer during the preparation process, and the light absorption efficiency of the photoactive layer is increased through the surface plasmon effect of the metal nanoparticles, and at the same time Avoid the direct contact of nanoparticles with the photoactive layer, which affects the efficiency of the cell, but the range of the surface plasmon effect of metal nanoparticles in this technology is limited, and it can only act on photoactive materials close to the electron or hole transport layer, which limits the effect the role of

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  • Method for manufacturing polymer solar cell mixed with clad nanometer metal
  • Method for manufacturing polymer solar cell mixed with clad nanometer metal

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Embodiment 1

[0027] The main structure of the solar cell prepared in this embodiment includes a glass substrate 1, an anode electrode 2, a hole transport layer 3, a photoactive layer 4, an electron buffer layer 5, and a cathode electrode 6. The anode electrode 2 is an ITO conductive electrode with a thickness of 180 nm. The hole transport layer 3 is a PEDOT:PSS polymer conductive film with a thickness of 30nm; the donor material in the photoactive layer 4 is poly-3-hexylthiophene (P3HT), and the acceptor material is a fullerene derivative (PC 61 BM), the thickness of the photoactive layer is 200nm, and there are also silica-metal core-shell structure nanoparticles with a diameter of about 50nm dispersed in the active layer; the electronic buffer layer is calcium, and the thickness is 10nm; the cathode electrode is aluminum , with a thickness of 100nm.

[0028] The preparation process of the present embodiment comprises the following steps:

[0029] (1) Clean the glass substrate with trans...

Embodiment 2

[0039] The preparation process steps of this embodiment are the same as that of embodiment 1.

[0040] The diameter of the silica-metal core-shell nanoparticle in this example is about 30nm, and the preparation method is as follows: 2ml of silver nitrate aqueous solution with a concentration of 0.01g / ml is added dropwise to 0.295g of polyvinylpyrrolidone (PVP) and In 30ml of glucose aqueous solution, react at 120°C for 30 minutes to obtain Ag nanoparticles with a particle size of about 20nm; after fully ultrasonically dispersing 10ml of Ag sol, mix it with 5ml of ammonia water, 40ml of ethanol and 20ml of distilled water, and add 0.5ml of it dropwise to a concentration of 0.04mol / ml tetraethyl orthosilicate ethanol solution, react at room temperature for 3 hours, centrifuge and wash 3 times after the reaction, and dry at low temperature to obtain silica-silver core-shell structure nanoparticles with a shell size of 5 nm and a particle size of about 30 nm.

Embodiment 3

[0042] The preparation process steps of this embodiment are the same as that of embodiment 1.

[0043] The diameter of the silica-metal core-shell nanoparticle in this example is about 80nm. The preparation method is as follows: add 7ml of silver nitrate aqueous solution with a concentration of 0.01g / ml dropwise to 0.462g of polyvinylpyrrolidone (PVP) and In 30ml of glucose aqueous solution, react at 120°C for 30 minutes to obtain Ag nanoparticles with a particle size of about 50nm; after fully ultrasonically dispersing 10ml of Ag sol, mix it with 5ml of ammonia water, 40ml of ethanol and 20ml of distilled water, and add 2ml of it dropwise to a concentration of 0.04mol / ml tetraethyl orthosilicate ethanol solution, react at room temperature for 5 hours, centrifuge and wash 3 times after the reaction, and dry at low temperature to obtain silica-silver core-shell nanoparticles with a shell of 15 nm and a particle size of about 80 nm.

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Abstract

The invention belongs to the technical field of solar cell manufacturing and relates to a method for manufacturing a polymer solar cell mixed with clad nanometer metal. The method for manufacturing the polymer solar cell mixed with the clad nanometer metal includes the following steps. A transparent substrate with anode electrodes are thoroughly cleaned and dried. An electron hole transmitting layer is formed on anode electrodes. An optical activity layer mixed with organic or inorganic clad nanometer metal is formed on the electron hole transmitting layer. An electron buffering layer is formed on the optical activity layer. Finally, a cathode electrode is formed on the electron buffering layer to obtain a polymer solar cell mixed with organic or inorganic clad nanometer metal. The polymer solar cell manufacturing method mixed with the clad nanometer metal is simple in manufacturing technology, high in optical conversion rate, low in cost and friendly to environment.

Description

Technical field: [0001] The invention belongs to the technical field of solar cell preparation, and relates to a method for preparing a polymer solar cell doped with coated nano-metals. The nano-metals coated with organic or inorganic materials are directly doped into the active layer of the polymer solar cell to increase the The photoelectric conversion efficiency of the battery. Background technique: [0002] With the development of the economy, the limited coal, oil, natural gas and other mineral energy are far from meeting the needs of human development, and the pollution problems caused by the use of mineral energy are becoming more and more serious. Therefore, the development of new renewable and low-pollution energy has become a It is imperative. Solar energy is an environmentally friendly, long-lasting, and inexhaustible green energy source. Solar cells that convert solar energy into electrical energy are a hot topic in scientific research in various countries and a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L51/48H01L51/44H01L51/46
CPCY02E10/549Y02P70/50
Inventor 唐建国沈文飞王瑶刘继宪黄林军焦吉庆黄震耿优辉王新芝
Owner QINGDAO UNIV
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