Preparation method and application of a tin oxide-based solar cell nanomaterial

Abstract

The invention discloses a preparation method and an application of a tin oxide-based solar battery nanometer. The tin oxide-based solar battery nanometer comprises tin dioxide, tin disulfide and titanium disulfide at the molar ratio of SnO<2> to SnS<2> to TiS<2> of x to y to z, wherein x is greater than or equal to 1.5 and less than or equal to 2.5; y is greater than or equal to 0.2 and less thanor equal to 0.6; and z is greater than or equal to 0.1 and less than or equal to 0.25. The invention also provides the preparation method and the application of the tin oxide-based solar battery nanometer. According to the nanometer powder material in the invention, a color organic matter is degraded in a neutral environment, and can be recycled for five times or more, and the photocatalytic performance is not changed; however, in an acid environment, the photocatalytic performance stability is degraded; the nanometer powder material disclosed in the invention has relatively high photoelectricconversion, wide preparation raw material resource, low-cost and easily-available performance, simple preparation method and low cost; and the nanometer powder can be subjected to tabletting and forming easily, thereby satisfying the processing requirement of a solar energy window material.

Description

technical field [0001] The invention belongs to the technical field of new energy materials, and relates to a preparation method and application of tin oxide-based solar cell nanomaterials. Background technique [0002] Energy is the material basis for the existence and development of human society. The depletion of non-renewable fossil energy such as coal, oil, and natural gas and the deteriorating environment have become major obstacles to human survival and development. Therefore, the development and utilization of green energy is imminent. Solar energy is an inexhaustible green energy for human beings, and solar cell materials are the main way for human beings to utilize solar energy. The working principle of solar cell materials is that when sunlight shines on the surface of solar cell materials, part of the sunlight is absorbed, so that photons with sufficient energy can excite electrons from the valence band in the material to generate electron-hole pairs, the inter...

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Problems solved by technology

[0004] The purpose of the present invention is to overcome the defects and low photoelectric conversion efficiency of solar cell material preparation technology at the present stage, and provide a cheap and easy-to-obtain, high photoelectric conversion efficiency, low production cost, non-toxic and pollution-free, convenient processing, and renewable The preparation method and application of tin oxide-based solar cell nanomaterials that can have a full response range to ultraviolet-visible light, and the use of high-concentration anionic surfactants for semiconducting metal sulfides and semiconducting metal oxides, and their non-metallic modification Control the microstructure of semiconductor compounds, implement the production of nanomaterials for solar cells, obtain high-efficiency solar photoelectric conversion materials and photocatalysts for efficient treatment of industrial sewage

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