Preparation method of rare earth complex doped silica microsphere solution and modified solar cell

Abstract

The invention discloses a preparation method of a rare earth complex doped silica microsphere solution and a modified solar cell. The preparation method of the rare earth complex doped silica microsphere solution comprises the following steps: (1) Two kinds of organic conjugated small molecules are used as the first ligand and the second ligand respectively, and the first ligand and the second ligand are mixed with the rare earth chloride solution to obtain the rare earth complex solution; (2) in the rare earth complex Silicate is added dropwise into the product solution for reaction to obtain a solution of rare earth complex doped silica microspheres. The preparation method of the modified solar cell comprises spin-coating the rare earth complex doped silica microsphere solution on the PET substrate of the solar cell to prepare a modified solar cell with the rare earth complex doped silica microsphere . Utilize the fluorescence characteristics of rare earth complexes and the characteristics of increased scattering of silicon dioxide to increase the light absorption intensity of solar cells and improve the photoelectric conversion efficiency of solar cells.

Description

technical field [0001] The invention relates to the cross field of hybrid material technology and solar cell preparation technology, in particular to a rare earth complex doped silicon dioxide microsphere solution and a preparation method of a modified solar cell. Background technique [0002] As a material with excellent and unique optical, electrical and magnetic properties, rare earth materials have very important application value. Its unique electronic layer structure is unmatched by general materials. The advantages of high fluorescence intensity and narrow luminescence range make rare earths have incomparable natural advantages in the field of luminescence. As a result, rare earth materials are widely used in the three major fields of lighting, display and detection. With the maturity of rare earth material technology, the scale of industrial production and consumption related to rare earth is growing. The research on the function and application technology of rare ...

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Problems solved by technology

[0006] The purpose of the present invention is to improve the low efficiency of solar cells, by spin-coating the rare earth complex doped silicon dioxide microsphere solution with fluorescent properties on the PET substrate of solar cells, utilizing the fluorescent properties of rare earth complexes and The characteristics of silicon dioxide to increase scattering increase the light absorption intensity of solar cells and improve the photoelectric conversion efficiency of solar cells

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