期刊
MATERIALS LETTERS
卷 284, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.matlet.2020.128966
关键词
Semiconductors; Magnetic materials; Nanoparticles; Photo degradation
资金
- Natural Science Foundation of China [21902157]
- Foundation of State Key Laboratory of Pollution Control and Resources Reuse of China [PCRRF10020, PCRRF12014]
This study successfully synthesized dysprosium-doped CoFe2O4 composites with enhanced photocatalytic activity and magnetic recovery capability. The introduction of dysprosium significantly improved the magnetic property of the material, while also enhancing its photocatalytic activity for methyl orange degradation.
Visible-light-initiated degradation of dyes has received much attention because of environmental friendliness and low cost. Here, dysprosium (Dy) doped CoFe2O4 composites with enhanced photocatalytic activity that are capable of fast magnetically recovering have been successfully synthesized by partially substitution Fe3+ in the crystalline lattice with Dy3+. The as-prepared CoFe1.97Dy0.03O4 nanoparticles possess a significantly improved magnetic property, which facilitates the separation of solid-liquid mixtures. Meanwhile, an obviously enhanced photocatalytic activity toward methyl orange degradation has been observed. The introduction of Dy in the lattice of CoFe2O4 can not only improve the light adsorption of the photocatalysts but also increase the carrier density, leading to enhanced performance for photodegradation of methyl orange. (c) 2020 Elsevier B.V. All rights reserved.
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