Journal of Industrial and Engineering Chemistry, Vol.56, 225-233, December, 2017
EDTA-Na2-assisted synthesis of rod-like titanate-TiO2 composite architectures with enhanced visible-light-driven properties
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A simple wet chemical method was developed to synthesize visible-light-driven titanate-TiO2 rod-like composites using ethylenediaminetetraacetic disodium salt (EDTA-Na2) as both template-directed modifier and nitrogen doping source. The synthesized heterojunctions exhibited both enhanced adsorption ability and photocatalytic activity for the degradation of methylene blue (MB) dye under visible light irradiation. EDTA-Na2 was found to alter the condensation pathway of the titanium precursor. This study also identified the different loading effects of EDTA-Na2 on the adsorption and photocatalytic degradation. ㆍO2 - was the dominant radical for MB photodegradation.
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