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Solar light responsive Sm-Zn ferrite nanoparticle as efficient photocatalyst

机译：太阳光响应性的Sm-Zn铁氧体纳米粒子作为有效的光催化剂

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摘要

In this article, a series of Sm substituted zinc spinel ferrite nanoparticles (ZnSm_xFe_(2-x)O_4) were fabricated by co-precipitation method. The effect of samarium substitution and annealing temperature on the crystal structure of zinc ferrite were explored in this study. The lattice parameter and crystallite size are increased with the increase in the Sm content. The visible light absorption ability extended as Sm content was increased up to (x = 1.5) and, which was the best optimal dosage for photocatalytic degradation of Methyl Orange (MO). This red shift in absorbance unequivocally indicates them as potential agent in solar light driven photocatalytic activity. Such enhancement can be ascribed to the diminution in the band gap of zinc ferrite upon samarium substitution (1.42 eV). Present study provides an excellent competency of rare earth substituted ferrite as a new class of photocatalyst over dye degradation under solar light irradiation.
机译：本文采用共沉淀法制备了一系列Sm取代的锌尖晶石型铁氧体纳米颗粒（ZnSm_xFe_（2-x）O_4）。本研究探讨了substitution替代和退火温度对铁素体锌晶体结构的影响。随着Sm含量的增加，晶格参数和微晶尺寸增加。随着Sm含量增加到（x = 1.5），可见光吸收能力扩展，并且这是光催化降解甲基橙（MO）的最佳最佳剂量。吸光度的这种红移明确表明它们是太阳光驱动的光催化活性的潜在物质。这种增强可以归因于substitution取代后铁氧体锌带隙的减小（1.42 eV）。目前的研究提供了稀土取代的铁氧体作为新型光催化剂对日光照射下染料降解的优异能力。

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  • 来源
    《Materials Science and Engineering》 |2017年第11期|86-97|共12页
  • 作者

    S.K. Rashmi; H.S. Bhojya Naik; H. Jayadevappa; R. Viswanath; S.B. Patil; M. Madhukara Naik;

  • 作者单位

    Department of Chemistry, Sahyadri Science College, Shimoga 577203, Karnataka, India,Department of Studies and Research in Industrial Chemistry, School of Chemical Sciences, Kuvempu University, Shankaraghatta 577451, Karnataka, India;

    Department of Studies and Research in Industrial Chemistry, School of Chemical Sciences, Kuvempu University, Shankaraghatta 577451, Karnataka, India;

    Department of Chemistry, Sahyadri Science College, Shimoga 577203, Karnataka, India;

    Department of Studies and Research in Industrial Chemistry, School of Chemical Sciences, Kuvempu University, Shankaraghatta 577451, Karnataka, India;

    Department of Studies and Research in Industrial Chemistry, School of Chemical Sciences, Kuvempu University, Shankaraghatta 577451, Karnataka, India;

    Department of Studies and Research in Industrial Chemistry, School of Chemical Sciences, Kuvempu University, Shankaraghatta 577451, Karnataka, India;

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  • 正文语种 eng
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  • 关键词

    ZnSm_xFe_(2-x)O_4; Photocatalytic activity; Solar light driven; Methyl Orange; Lattice parameter;

    机译：ZnSm_xFe_（2-x）O_4;光催化活性;太阳能驱动;甲基橙;晶格参数;

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