Visualizing the catalytic advancements in nickel ferrite via inclusion of bismuth for the removal of hazardous environmental pollutants,Water and Environment Journal

当前位置： X-MOL 学术 › Water Environ. J. › 论文详情

Our official English website, www.x-mol.net, welcomes your feedback! (Note: you will need to create a separate account there.)

Visualizing the catalytic advancements in nickel ferrite via inclusion of bismuth for the removal of hazardous environmental pollutants
Water and Environment Journal ( IF 1.7 ) Pub Date : 2020-04-20 , DOI: 10.1111/wej.12573
Surbhi Kapoor ₁ , Neetu Goel ₁ , Sonal Singhal ₁

Affiliation

The incorporation of bismuth into spinel nanoferrites has emerged as an interesting platform for amendment in structural characteristics, cation distribution and catalytic efficacy of nanoferrites. Bismuth has one of its kind properties to occupy both the octahedral and tetrahedral sites which enticed a significant role in evaluating the catalytic behavior of bismuth‐doped nanoferrites. The present work explored the versatility of bismuth substituted nickel ferrite nanostructures as catalysts for the oxidative degradation of dyes and reduction of nitrophenols. The catalytic activity was found to increase up to the incorporation of 4% bismuth owing to the occupancy of catalytically active octahedral sites, whereas devastation was observed at higher concentrations due to accumulation of bismuth in tetrahedral sites. The observed trend of catalytic behavior was in full concordance with the saturation magnetisation, crystallite size, and band‐gap. The recyclability studies indicated the applicability of bismuth substituted nanoferrites as potential catalysts for the mitigation of environmental pollutants.

中文翻译：

通过包含铋去除有害的环境污染物，可视化铁酸镍中的催化进展

铋掺入尖晶石纳米铁氧体已经成为修饰纳米铁氧体的结构特征，阳离子分布和催化功效的有趣平台。铋具有一种性质，既可以占据八面体位置，也可以占据四面体位置，这在评估铋掺杂纳米铁氧体的催化行为中起着重要作用。本工作探讨了铋取代的镍铁氧体纳米结构作为染料的氧化降解和硝基酚还原的催化剂的多功能性。由于占据了催化活性的八面体位点，发现催化活性提高到掺入4％的铋为止，而由于铋在四面体位点的积累，在较高浓度下观察到破坏。观察到的催化行为趋势与饱和磁化强度，微晶尺寸和带隙完全一致。可回收性研究表明，铋取代的纳米铁氧体可作为缓解环境污染物的潜在催化剂。

更新日期：2020-04-20

点击分享查看原文

点击收藏

阅读更多本刊最新论文本刊介绍/投稿指南11