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Markedly enhancing the visible-light photocatalytic activity of LaFeO3 by post-treatment in molten salt

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Abstract

The visible-light photoactivity of LaFeO3 prepared by conventional co-precipitation method can be markedly enhanced by a simple and efficient post-treatment method. The catalyst treated with molten KNO3 exhibited the highest rate constant of 0.061 min−1 and after 60 min visible-light irradiation, 98% Acid Red 18 was decolorized, which was much higher than P25 TiO2.

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Acknowledgement

We gratefully acknowledge financial support from the Team Project of Guangdong Province Natural Science Foundation (Grant No. 05200555).

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Authors and Affiliations

  1. Department of Chemistry, Jinan University, Guangzhou, 510632, People’s Republic of China

    Jun Yang, Huiqiong Zhong, Ming Li, Lizhen Zhang & Yuanming Zhang

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  1. Jun Yang
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  2. Huiqiong Zhong
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  3. Ming Li
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  4. Lizhen Zhang
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  5. Yuanming Zhang
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Correspondence to Jun Yang.

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Yang, J., Zhong, H., Li, M. et al. Markedly enhancing the visible-light photocatalytic activity of LaFeO3 by post-treatment in molten salt. React Kinet Catal Lett 97, 269–274 (2009). https://doi.org/10.1007/s11144-009-0025-1

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  • DOI: https://doi.org/10.1007/s11144-009-0025-1

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