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Study on photocatalytic activity of nanosized Co_(0.3)Zn_(0.7)Fe_2O_4 synthesized by hydrothermal method

机译:水热法合成纳米型CO_(0.3)Zn_(0.7)Fe_2O_4的光催化活性研究

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We have reported the photocatalytic activity of nanosized Co_(0.3)Zn_(0.7)Fe_2O_4 (CZM) synthesized by hydrothermal method. Powder x-ray diffraction (PXRD), field emission and transmission electron microscopic techniques have been employed for structural and microstructural characterization of the sample. The Rietveld refinement of the PXRD pattern of CZM reveals that the sample is a single phase spinel ferrite of symmetry having crystallite size ~20 nm. The average particle size is ~23 nm. The photocatalytic study suggests that CZM can be suitably used as an efficient (rate constant and % degradation are 7.4×10~(-2) min~(-1), 95.76% at 40 min, respectively), magnetically separable, recyclable photocatalyst for removal of Congo Red from its aqueous solution.
机译:我们报道了通过水热法合成的纳米氧化合物(0.3)Zn_(0.7)Fe_2O_4(CZM)的光催化活性。粉末X射线衍射(PXRD),场发射和透射电子显微镜技术已经用于样品的结构和微观结构表征。 CZM的PXRD图案的RIETVELD细化揭示了样品是具有微晶尺寸〜20nm的对称性的单相尖晶石铁氧体。平均粒径为约23nm。光催化研究表明,CZM可以适当地用作有效的(速率常数,%降解为7.4×10〜(-2)min〜(-1),分别为40分钟,95.76%,磁性可分离可回收的光催化剂从其水溶液中除去刚果红色。

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