TiO2-CoFe2O4 and TiO2-CuFe2O4 Composite Films: A New Approach to Synthesis, Characterization, and Optical and Photocatalytic Properties

被引：10
|
作者：
Balatskiy, Denis [1 ,2 ]
Budnikova, Yulia [1 ,2 ]
Bratskaya, Svetlana [1 ]
Vasilyeva, Marina [1 ,2 ]
机构：
[1] Russian Acad Sci, Inst Chem, Far Eastern Branch, 159, Prosp 100 Letiya Vladivostoka, Vladivostok 690022, Russia
[2] Far Eastern Fed Univ, Inst High Technol & Adv Mat, Dept Chem & Mat, 10 Ajax Bay, Vladivostok 690922, Russia
来源：
JOURNAL OF COMPOSITES SCIENCE | 2023年 / 7卷 / 07期
关键词：
cobalt and copper ferrites; PEO-coatings; EDX analysis; Mossbauer spectroscopy; optical band gap; dye degradation; PLASMA ELECTROLYTIC SYNTHESIS; MAGNETIC-PROPERTIES; INDIGO CARMINE; OXIDE COATINGS; THIN-FILMS; DEGRADATION; OXIDATION; TITANIUM; DYE; NANOPARTICLES;
D O I：
10.3390/jcs7070295
中图分类号：
TB33 [复合材料];
学科分类号：
摘要：
Here, we report a new simple and fast method of cobalt and copper ferrites film fabrication on the Ti/TiO2 surface. The approach is based on the deposition of gelatin gel containing copper and cobalt nitrates on the surface of porous oxide-silicon coatings on titanium obtained by plasma electrolytic oxidation (PEO) followed by two-stage annealing at 300 & DEG;C and 800 & DEG;C to yield ferrite films with good adhesion to PEO layer. The presence of Co/Cu ferrite phases was confirmed by EDX analysis, XRD, and Mossbauer spectroscopy. TiO2-CoFe2O4 and TiO2-CuFe2O4 composite films have excellent performance in the photocatalytic degradation of indigo carmine as a model dye at pH 3 under UV and visible irradiation. The suggested approach to obtain ferrite/TiO2 composite films is promising for the development of magnetic materials, sensors, catalysts, and photocatalysts for various applications.
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页数：16
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