Production method for semiconductor quantum point-contained dye sensitization battery

Abstract

The invention discloses a preparation method used for a dye-sensitized solar cell containing semiconductor quantum dots, comprising the steps as follows: by a magnetron sputtering method, a TiO2 layer is sputtered on conductive glass; furthermore, the TiO2 layer is prepared as a porous shape; the conductive glass is dipped in an organic matter containing mercapto and carboxy group; subsequently, a group of semiconductor quantum dots are added in the holes of the porous TiO2 layer; a dye, electrolyte and a pair of electrodes are added in the organic matter so as to form the dye-sensitized solar cell containing the semiconductor quantum dots. Compared with the prior art, the preparation method has the advantages that by changing the type, particle size and shape of the quantum dot, the peak position of the absorption spectrum can be easily changed and almost all of the sunlight can be absorbed; furthermore, the dye-sensitized solar cell has high photoelectric conversion efficiency and is extremely stable within the working temperature range of the solar cell; the cost is effectively reduced and the preparation method is simple when the quantum dots are adopted to replace the fuel containing the rare metal in part.

Description

technical field [0001] The invention relates to a dye-sensitized battery containing semiconductor quantum dots, in particular to the preparation of the semiconductor quantum dot dye-sensitized battery. Background technique [0002] At present, in the research field of nano solar cells, choosing a suitable sensitizer has become the research focus of nano solar cells. In dye-sensitized titanium dioxide solar cells, many dyes have very weak absorption in the near-infrared region, and their absorption spectrum cannot match well with the solar spectrum, and it is difficult to select and prepare. The preparation process of ruthenium pyridine is relatively complicated, and ruthenium itself is a rare metal, so the price is relatively expensive and the source is relatively difficult. In order to improve the photoelectric conversion rate of nanometer photoelectrochemical cells, selecting different sensitizers to sensitize the cells has become an urgent problem. [0003] Among them, ...

AI Technical Summary

Problems solved by technology

In dye-sensitized titanium dioxide solar cells, many dyes have very weak absorption in the near-infrared region, and their absorption spectra cannot match well with the solar spectrum, and it is difficult to select and prepare. The preparation process of ruthenium pyridine is relatively complicated, and ruthenium itself is a rare metal, so the price is relatively expensive and the source is relatively difficult

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