Inquisition on enhanced photocatalytic performance of ternary cerium manganese nickel metal oxide nanocomposites

IF 2.7 4区 材料科学 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY
V. Thayanithi , P. Arularasan
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引用次数: 0

Abstract

The hydrothermal approach was used to successfully incorporate ternary Cerium Manganese Nickel mixed metal oxides (CMN-MMOs) with various Ce/Mn/Ni ratios. The improved crystallanity of incorporated CMN-MMOs was discovered using powder X-ray diffraction. From Ultra Violet (UV)–visible diffuse reflection spectroscopy (DRS), CMN-MMOs displays a broad absorption in the visible range. Scanning Electron Microscope (SEM) reveals that CMN-MMOs exhibit in nanoslab. Image of Transmission Electron Microscope (TEM) expose that synthesized samples are in hexagonal structure with average size of 20–30 nm. The photocatalytic activity was appraised for calcined samples of CMN-MMOs (1: 1: 2). It indicates the greatest photocatalysic activity with 89 % degradation of methylene blue (MB) dye. CMN- MMOs (1: 1: 2) also had a strong degradation effect on the non-dye contaminant phenol. Methylene Blue degradation followed a pseudo-first-order kinetic trend. The mechanism of photo degradation of CMN- MMOs was also explored.
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来源期刊
Materials Letters
Materials Letters 工程技术-材料科学:综合
CiteScore
5.60
自引率
3.30%
发文量
1948
审稿时长
50 days
期刊介绍: Materials Letters has an open access mirror journal Materials Letters: X, sharing the same aims and scope, editorial team, submission system and rigorous peer review. Materials Letters is dedicated to publishing novel, cutting edge reports of broad interest to the materials community. The journal provides a forum for materials scientists and engineers, physicists, and chemists to rapidly communicate on the most important topics in the field of materials. Contributions include, but are not limited to, a variety of topics such as: • Materials - Metals and alloys, amorphous solids, ceramics, composites, polymers, semiconductors • Applications - Structural, opto-electronic, magnetic, medical, MEMS, sensors, smart • Characterization - Analytical, microscopy, scanning probes, nanoscopic, optical, electrical, magnetic, acoustic, spectroscopic, diffraction • Novel Materials - Micro and nanostructures (nanowires, nanotubes, nanoparticles), nanocomposites, thin films, superlattices, quantum dots. • Processing - Crystal growth, thin film processing, sol-gel processing, mechanical processing, assembly, nanocrystalline processing. • Properties - Mechanical, magnetic, optical, electrical, ferroelectric, thermal, interfacial, transport, thermodynamic • Synthesis - Quenching, solid state, solidification, solution synthesis, vapor deposition, high pressure, explosive
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