This experiment aims to design a university physics experiment course for undergraduate students,focusing on the photocatalytic degradation efficiency of formaldehyde by titanium oxides under ultraviolet light.The course is intended to deepen understanding of the application background,fundamental principles,and experimental methods of photocatalytic technology.The experiment utilizes three types of titanium oxide materials(anatase TiO2,rutile TiO2,and TiO)to degrade formaldehyde under ultraviolet irradiation,with the photocatalytic degradation efficiency quantified by measuring changes in formaldehyde concentration.The results indicate that anatase TiO2 exhibits the highest degradation efficiency,followed by rutile TiO2,while TiO shows the lowest efficiency.This experiment not only equips students with the basic principles of photocatalytic reactions and related research capabilities,but also cultivates their experimental skills and data analysis abilities.
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