Recently, the removal of organic contaminants and decolorization of dyes in waste water have become highly significant to environmental protection, 1 as the dyes exhibit stable chemical properties, toxicity, high photo-stability and low biodegradability. 2 More seriously, most of these dyes will be lost during processing and discharged as waste water, which means potential harm to human beings, animals and plants.
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Visible-light photocatalytic capability and the mechanism investigation of a novel PANI/Sn<sub>3</sub>O<sub>4</sub> p-n heterostructure.
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