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首页> 外文期刊>The journal of physical chemistry, C. Nanomaterials and interfaces >Biopolymer-Assisted Green Synthesis of Iron Oxide Nanoparticles and Their Magnetic Properties
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Biopolymer-Assisted Green Synthesis of Iron Oxide Nanoparticles and Their Magnetic Properties

机译:氧化铁纳米粒子的生物聚合物辅助绿色合成及其磁性

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摘要

Magnetite nanoparticles were fabricated using a biopolymer (sodium alginate)-assisted route via redox-based hydrothermal method using FeCl3·6H2O and urea as the starting materials. The morphology, composition, and phase structure of as-prepared powders were characterized by scanning electron microscopy (SEM), X-ray diffraction (XRD), and X-ray photoelectron spectroscopy (XPS). The results show that biopolymer plays dual roles, reduction, and stabilization, in the formation of the products. This method can be easily controlled and is expected to be applicable for the preparation of other metal oxides. The sample demonstrated a typical ferromagnetic behavior from a direct current SQUID magnetometer (Quantum Design MPMS).
机译:利用生物聚合物(藻酸钠)辅助路线,以FeCl3·6H2O和尿素为原料,通过基于氧化还原的水热法制备了磁铁矿纳米颗粒。通过扫描电子显微镜(SEM),X射线衍射(XRD)和X射线光电子能谱(XPS)表征所制备粉末的形态,组成和相结构。结果表明,生物聚合物在产物的形成中起着双重作用,即还原和稳定。该方法可以容易地控制,并有望应用于其他金属氧化物的制备。该样品通过直流SQUID磁力计(Quantum Design MPMS)表现出典型的铁磁性能。

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