Dye-sensitized solar cell based on ZnO transparent conductive nanowire array electrode and preparation method thereof

Abstract

The invention discloses a dye-sensitized solar cell based on a ZnO transparent conductive nanowire array electrode, and a preparation method of the dye-sensitized solar cell. The dye-sensitized solar cell mainly consists of the ZnO transparent conductive nanowire array electrode, a dye-sensitized TiO2 nano crystal semiconductor anode, an electrolyte and a counter electrode. The preparation method comprises the following steps: preparing the Al or In-doped ZnO transparent conductive nanowire array electrode through an electric sedimentation method and thermal treatment, subsequently preparing the dye-sensitized TiO2 nano crystal semiconductor anode in match with the ZnO nanowire array electrode in size, and finally assembling the cell. According to the dye-sensitized solar cell, a ZnO transparent conductive nanowire array of a suede structure is taken as a transparent electrode, the function of accelerating electron transport to a conductive electrode and the function of suede light trapping are achieved, and the photoelectric conversion efficiency is improved.

Description

technical field [0001] The invention belongs to the field of solar cells, and in particular relates to a dye-sensitized solar cell based on a ZnO transparent conductive nanowire array as a transparent electrode. Background technique [0002] Dye-sensitized Solar Cells (DSCs) is an organic-inorganic hybrid solar cell that imitates the principle of photosynthesis. It is known as a new generation of solar cells. Since Professor M made a breakthrough in 1991, he has been a research hotspot in the field of solar cells both at home and abroad. It has the advantages of abundant raw materials, low production cost (only 1 / 10-1 / 5 of silicon solar cells), relatively simple process technology, and easy large-scale industrial production. At the same time, it has a wide spectral response range, stable performance, and low attenuation. Preparation The process consumes less energy and is environmentally friendly, so it has attracted many scientists and companies to carry out basic researc...

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Problems solved by technology

When DSCs generate less photoelectrons, they can be transported very quickly; when DSCs generate more photoelectrons, electrons will be "jammed" and electron transport is limited.

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