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has been cited by the following article:

• TITLE: Preparation and Photocatalytic Properties of LnBaCo2O5+δ (Ln = Eu, Gd, and Sm)

  AUTHORS: Bingqian Han, Yuxiu Li, Nan Chen, Dongyang Deng, Xinxin Xing, Yude Wang

  KEYWORDS: Double-Perovskite, LnBaCo2O5+δ, Photocatalysis, Congo Red

  JOURNAL NAME: Journal of Materials Science and Chemical Engineering, Vol.3 No.4, April 21, 2015

  ABSTRACT: A new type of photocatalytic material, double-perovskite oxides, LnBaCo2O5+δ (Ln = Eu, Gd, and Sm) was synthesized via a conventional solid-state reaction process using Ln2O3, BaCO3 and Co2O3 as raw materials. X-ray diffraction results show that the crystalline structures are a pure orthorhombic lattice and are consistent with LnBaCo2O5+δ microparticles. The photocatalytic activity of the LnBaCo2O5+δ (Ln = Eu, Gd, and Sm) powders was further demonstrated in the degradation of Congo red (CR) under ultraviolet light irradiation with the dye solution concentration of 25 or 50 mg·L-1. The double-perovskite oxides LnBaCo2O5+δ show a certain photocatalytic activity during the degradation of CR under ultraviolet light, which means that they are one kind of the promising photocatalytic materials for the degradation of the azo dyes.