Method for preparing TiO2 hollow micro-sphere material

Abstract

The invention discloses a method for preparing TiO2 hollow micro-sphere material which belongs to the technical field of preparing semiconductor photocatalysis material. In the method, titanium potassium oxalate, oxyful and concentrated hydrochloric acid are used as materials, and a hydrothermal synthesis method and the oxygen released in the reaction process are used as a template to prepare the TiO2 hollow micro-sphere material. The method has the advantages of simple operation, low reaction temperature and short reaction time; besides, the method takes the oxygen generated during the reaction process as the template, and does not need to include the techniques of specially preparing the template or removing the template in the preparing process; the whole preparing process is quite simple. The specific area of the prepared material is high; and the material is applied on the aspects of sterilization and gas storage in environment protection especially.

Description

technical field [0001] The present invention relates to a kind of TiO 2 The preparation method of hollow microsphere material, specifically relates to a kind of TiO with gas as template 2 The invention discloses a method for preparing hollow microsphere materials, which belongs to the technical field of semiconductor photocatalytic materials. Background technique [0002] TiO 2 It is an important multifunctional inorganic material, and it has broad application prospects in the fields of gas sensors, pollutant degradation, solar hydrogen production, and solar cells. In the past two decades, people have successfully prepared TiO by various methods (hydrothermal synthesis, vapor deposition, template, electroplating, etc.) 2 materials such as nanospheres, nanorods, nanotubes, and nanorings, while TiO 2 The preparation of hollow microsphere materials is a big challenge. [0003] At present, hollow sphere nanoparticles (Hollow spheres) have represented a group of materials, w...

AI Technical Summary

Problems solved by technology

[0004] Existing TiO 2 Most of the preparation methods of hollow microsphere materials use organic substances as templates, and the process of preparing and removing templates is also quite complicated, which is not suitable for industrial production

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