Manufacturing methods of rare-earth complex doped silicon dioxide microsphere solution and modified solar cell

Abstract

The invention discloses manufacturing methods of a rare-earth complex doped silicon dioxide microsphere solution and a modified solar cell. The manufacturing method of the rare-earth complex doped silicon dioxide microsphere solution comprises the following steps of (1) using two kinds of organic conjugate micromolecules as a first ligand and a second ligand, and through hybrid reaction of the first ligand and the second ligand, and a rare-earth chloride solution, acquiring a rare-earth complex solution; and (2) adding silicate ester in the rare-earth complex solution drop by drop so as to carry out reaction and acquiring the rare-earth complex doped silicon dioxide microsphere solution. The manufacturing method of the modified solar cell comprises the following steps of coating the rare-earth complex doped silicon dioxide microsphere solution on the PET substrate of the solar cell in a spinning mode, and manufacturing and acquiring the modified solar cell possessing the rare-earth complex doped silicon dioxide microsphere. The fluorescence characteristic of a rare-earth complex and a silicon dioxide scattering increase characteristic are used to increase the optical absorption intensity of the solar cell, and the photoelectric conversion efficiency of the solar cell is improved.

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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