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Characterization and photocatalytic activity of KSr2Nb5O15 with tungsten bronze structure

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Abstract

Tungsten bronze (TB) type potassium strontium niobate KSr2Nb5O15 was prepared by solid-state reaction method, and was characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM) and UV-vis diffuse spectrum. The photocatalyst shows high photocatalytic activity of photodegrading acid red G. The effects of photocatalyst dosage and initial concentration of acid red G on the photodegradation process were studied. The kinetics of photocatalytic degradation of acid red G by KSr2Nb5O15 catalyst follows the first order reaction.

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Authors and Affiliations

  1. School of Resources and Environmental Engineering, Wuhan University of Technology, Wuhan, 430070, China

    Gaoke Zhang  (张高科), Yiqiu Li, Junting Wang, Haibin Tu & Xinyi Yu

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  1. Gaoke Zhang  (张高科)
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  2. Yiqiu Li
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  3. Junting Wang
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  4. Haibin Tu
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  5. Xinyi Yu
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Corresponding author

Correspondence to Gaoke Zhang  (张高科).

Additional information

Funded by the National Natural Science Foundation of China (No. 50472017), Program for New Century Excellent Talents in University (No. NCET05-0662) and Wuhan University of Technology

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Zhang, G., Li, Y., Wang, J. et al. Characterization and photocatalytic activity of KSr2Nb5O15 with tungsten bronze structure. J. Wuhan Univ. Technol.-Mat. Sci. Edit. 24, 742–746 (2009). https://doi.org/10.1007/s11595-009-5742-9

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  • DOI: https://doi.org/10.1007/s11595-009-5742-9

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