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新型钙钛矿基复合材料La Nd FeO@活性炭，作为通过非均相电芬顿反应降解有机污染物的高效催化剂。

Novel perovskite-based composites, La Nd FeO@activated carbon, as efficient catalysts for the degradation of organic pollutants by heterogeneous electro-Fenton reactions.

作者信息

Wang Qijun, Zhou Shu, Xiao Song, Wei Feifei, Zhao Xuezhu, Qu Jun'e, Wang Hairen

机构信息

School of Materials Science and Engineering, Hubei University Wuhan 430062 P. R. China

School of Chemistry & Chemical Engineering, Huazhong University of Science & Technology Wuhan 430074 P. R. China.

出版信息

RSC Adv. 2018 Apr 18;8(27):14775-14786. doi: 10.1039/c8ra00244d.

DOI:10.1039/c8ra00244d
PMID:35541362
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9079944/
Abstract

Perovskites, which have excellent electrocatalytic properties, are promising for use in heterogeneous catalysis. However, the design and development of green and effective electrocatalysts for environmental water treatment remains an arduous challenge. To overcome such difficulties, we present a facile sol-gel method for the design and preparation of a series of perovskite-activated carbon (AC) composites (La Nd FeO@AC) for the degradation of methyl orange (MO) by heterogeneous electro-Fenton reactions. Furthermore, the as-made LaNdFeO@AC composite anode had the strongest oxidation ability and stability, with MO wastewater and COD removal rates reaching 99.81% and 96.66% within 10 minutes, respectively. As far as we know, the La Nd FeO@AC composites can be regarded as a series of the most effective catalysts for the degradation of MO to date.

摘要

钙钛矿具有优异的电催化性能，在多相催化中具有应用前景。然而，设计和开发用于环境水处理的绿色高效电催化剂仍然是一项艰巨的挑战。为了克服这些困难，我们提出了一种简便的溶胶-凝胶法，用于设计和制备一系列钙钛矿-活性炭（AC）复合材料（La Nd FeO@AC），以通过多相电芬顿反应降解甲基橙（MO）。此外，所制备的LaNdFeO@AC复合阳极具有最强的氧化能力和稳定性，MO废水和COD去除率在10分钟内分别达到99.81%和96.66%。据我们所知，La Nd FeO@AC复合材料可被视为迄今为止一系列降解MO最有效的催化剂。

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