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Metal powder–pure water system for rational synthesis of metal oxide functional nanomaterials: a general, facile and green synthetic approach

机译:金属粉末纯水系统,用于合理合成金属氧化物功能纳米材料:一般,舒适和绿色合成方法

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Metal oxide (MO) nanomaterials have played a pivotal role in many fields. The general, facile and green approach for rational synthesis of MO nanomaterials is highly desirable. In this work, a simple approach via an ultrasonic-assisted preoxidation and a subsequent hydrothermal oxidation (UAPO–HO) of metal powders directly in pure water without using any other chemicals has been developed as a general synthetic route to prepare MO nanomaterials. Three representative MO nanomaterials (Mn _(3) O _(4) nanorods, ZnO nanopellets, and Fe _(3) O _(4) nanocubes) have been successfully synthesized by this UAPO–HO approach for the first time. The properties of the newly synthesized MO nanomaterials, such like Mn _(3) O _(4) as an electrode material for supercapacitors, ZnO as an photocatalyst for degrading organic pollutants, and Fe _(3) O _(4) as a magnetic catalyst for disposing antibiotics, are investigated, which demonstrate attractive performance in energy storage and environmental protection. The synthetic approach developed here has the significant advantages of being chemical-utility least, product-purity high, facile, green and mild, which offers a unique clue for synthesis of MO nanomaterials.
机译:金属氧化物(MO)纳米材料在许多领域发挥了关键作用。对于合理合成的Mo纳米材料的一般,容易和绿色方法是非常理想的。在这项工作中,通过超声波辅助预氧化和随后在纯水中直接在不使用任何其他化学物质的纯水中直接在纯水中进行的简单方法,作为一般的合成途径以制备Mo纳米材料。通过这种UaPo-Ho方法首次成功地合成了三种代表性的Mo纳米材料(Mn _(3)O =(4)纳米块,ZnO纳米粒子和Fe _(3)O _(4)纳米孔)。新合成的Mo纳米材料的性质,如Mn _(3)o _(4)作为超级电容器的电极材料,ZnO为用于降解有机污染物的光催化剂,Fe _(3)O _(4)为a调查用于处理抗生素的磁性催化剂,这展示了能量储存和环境保护方面具有吸引力的性能。本文开发的合成方法具有化学效用的显着优势,产品纯度高,容易,绿色和温和,可为合成Mo纳米材料提供独特的线索。

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