高熵合金纳米颗粒的简单合成及其对亚甲基蓝降解的显著催化活性

IF 2.7 4区材料科学 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY

Materials Letters Pub Date : 2025-05-30 DOI:10.1016/j.matlet.2025.138854

Yogesh Kumar Yadav , Sarita Yadav , Mohammad Abu Shaz , Thakur Prasad Yadav

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引用次数: 0

摘要

在本研究中，通过控制成分和工艺参数，采用机械球磨法制备了Al-Cu-Fe-Ni-Ti纳米晶高熵合金（HEA）。以己烷为过程控制剂，在高能磨粒球磨机中以400转/分、40:1球粉比进行了40 h的磨粒。通过x射线衍射研究证实，制备出了晶格参数为0.289 nm的单相BCC结构。此外，当测试亚甲蓝降解时，其催化性能导致20分钟内664 nm吸光度下降32%，降解持续240分钟。

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A facile synthesis of high entropy alloy nanoparticles and notable catalytic activity for methylene blue degradation

In this study, mechanical ball milling has been used to synthesize a nanocrystalline Al-Cu-Fe-Ni-Ti high-entropy alloy (HEA) through controlled composition and processing parameters. Using hexane as the process control agent, the milling has been carried out in a high-energy attritor ball mill at 400 rpm for 40 h with a 40:1 ball-to-powder ratio. The development of a single-phase BCC structure with a lattice parameter of 0.289 nm has been verified by X-ray diffraction investigation. Furthermore, when tested for methylene blue degradation, its catalytic performance resulted in a 32 % decrease in absorbance at 664 nm in 20 min, with degradation continuing for 240 min.

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来源期刊

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