Preparation method of cuprous oxide (CU2O) nano octahedral materials

Abstract

The invention belongs to the technical field of nano material preparation, and relates to a preparation method of cuprous oxide nano octahedral materials. The method includes that copper lactate serves as a copper source; steps of basic solution preparation, PH regulation of the basic solution, conductive substrate process and CU2O nano octahedron preparation are included; an aluminum sheet which is preprocessed and has a surface with scratches or a rough surface serves as a nucleating point of particle growth of the CU2O nano octahedron; the prepared copper lactate basic solution has 3mol / L of lactic acid concentration and 0.4mol / L of copper sulfate concentration; then sodium hydroxide with a concentration of 4mol / L is used for regulating PH of the basic solution to 9; the aluminum sheet which is processed by the conductive substrate and has the surface with the scratches or the rough surface is immersed into the copper lactate solution, heated for 30 minutes at a constant temperature in a water bath at a temperature of 60 DEG C, and the CU2O nano octahedron with an average size of 150nm is obtained. The preparation method is simple, reliable in principle, low in preparation cost, small in energy consumption, good in material performance, and wide in application range.

Description

Technical field: [0001] The invention belongs to the technical field of nano material preparation, and relates to a process technology for preparing cuprous oxide nano octahedron materials by using an electrodeless deposition method, in particular to a method for preparing cuprous oxide nano octahedron materials, and the prepared materials can be applied Used in solar photovoltaic conversion, photocatalysis, sensors and light-emitting diodes. Background technique: [0002] Cuprous oxide (Cu 2 O) As a typical p-type semiconductor material, its energy gap is 2.17eV. It is a rare semiconductor material that can be excited by visible light. It has a wide range of important uses in materials, ships, electronics and other industries and agricultural production. , Can be used as pigments, colorants, catalysts, solders, preservatives, marine antifouling coatings, photoelectric materials and ballasts, etc.; Cu 2 As an important industrial catalyst, O plays a unique role in energy, chemica...

AI Technical Summary

Problems solved by technology

At present, there have been many studies on Cu 2 Reports on the research results of controlling the morphology and size of O nanomaterials in the preparation process, for example, the preparation of thin films, nanowires, nanocubes, pyramids, octagons, etc. Technologies such as hedahedron, dodecahedron, and icosahedron have been documented in public literature, but most of the existing methods need to add suitable organic additives, and the residues of these additives are not easy to remove, and the obtained Cu 2 O nanoparticles contain impurities, and methods such as solvothermal method have higher requirements on equipment and high energy consumption, while the preparation of Cu on conductive substrates by electroless deposition method 2 The technical process and method of O nano octahedral materials have not been reported yet

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