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Application of TiO2 sol for UV radiation measurements

✍ Scribed by Jiansheng Huang; Huiling Ding; William S. Dodson; Yuzhuo Li

Publisher
Elsevier Science
Year
1995
Tongue
English
Weight
695 KB
Volume
311
Category
Article
ISSN
0003-2670

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✦ Synopsis

The use of a chemically stable TiO, sol as an actinometer for UV radiation was investigated. The sol produces a visible color change under UV radiation. It can be regenerated to its original transparency upon exposure to oxygen. The actinometer can be used to compare the strengths of different light sources for a wide range of photoinduced chemical processes involving TiO, particles such as photodegradation of industrial waste or organic synthesis on TiO,, photoinduced deterioration of TiO,-containing materials, and the effectiveness of a TiO,-based sunscreen product. Other potential applications include ly-ray radiation monitoring, oxygen detection, and oxygen permeability measurement for polymer films.

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