Preparing method of non-metal doped dye sensitization TiO2 nano-crystal thin film photoelectrode

Abstract

The invention belongs to the preparing field of TiO2 nano-crystal thin film photoelectrode of dye sensitization solar cell, especially relates to a preparing method of non-metal doped dye sensitization TiO2 nano-crystal thin film photoelectrode which is prepared by colloids containing non-metal doped large granule TiO2 nano-crystal and non-metal doped TiO2 nano-crystal granule. The photoelectrodeprepared by the invention is prepared by rotary coating the non-metal doped TiO2 colloidal sols and non-metal doped TiO2 power body slurry in order on a conductive substrate; after naturally drying, performing heat-treatment to obtain a nano-crystal thin film photoelectrode with porous structure. On one hand, the non-metal doped TiO2 nano-crystal granule changes the performance of the semiconductor, and is used as almsgiver to provide more carriers to improve the electric conductivity; on the other hand, the non-metal doped TiO2 nano-crystal granule changes the position of TiO2 energy band toimprove the photovoltage and the photo absorption efficiencies. The preparing method of the invention is simple and is easy to operate, is suitable for the industrial production preparation of the dyesensitization TiO2 nano-crystal thin film photoelectrode, and also is suitable for the fields of photochemical catalysis electrode and self-cleaning glass and so on.

Description

Preparation method of dye-sensitized TiO2 nanocrystalline thin film photoelectrode doped with non-metal technical field The invention belongs to the technical field of preparation of TiO2 nanocrystal thin film photoelectrodes of dye-sensitized solar cells, in particular to the preparation of colloids containing nonmetal-doped large-particle TiO2 nanocrystals and nonmetal-doped TiO2 nanocrystal particles. A method for metal dye-sensitized TiO2 nanocrystalline thin film photoelectrodes. Background technique The utilization technology of solar cells as the most ideal energy source has been valued and utilized by more and more countries in recent years. However, they have not been widely used. Comparable; silicon solar cell manufacturing itself is a huge energy-consuming industry. In recent years, a dye-sensitized solar cell has attracted the attention of researchers due to its simple manufacturing process, extremely low cost control, and many advantages such as conversion ef...

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Problems solved by technology

The non-metallic doping reported in the current literature is widely used in the field of photocatalysis, but no one has applied it to the field of solar cells

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