采用sol-gel法制备了不同摩尔比的掺银二氧化钛粉体材料,并且采用琼脂孔穴扩散-抑菌圈法研究了紫外光照时间、光源、掺银TiO2粉末加入量、不同实验菌种等因素对掺银TiO2粉体抗菌性能的影响.实验表明:Ag-TiO2粉末在紫外光照60～90 min,加入量为2～4 mg时具有良好的抗菌性能,是一种不受光源和天气影响的广谱抗菌剂.
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