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首页> 外文期刊>Materials Science and Engineering >Effect of ball milling on optical properties and visible photocatalytic activity of Fe doped ZnO nanoparticles
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Effect of ball milling on optical properties and visible photocatalytic activity of Fe doped ZnO nanoparticles

机译：球磨对掺铁的ZnO纳米粒子的光学性能和可见光催化活性的影响

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The Fe doped ZnO nanoparticles were prepared using high-energy ball milling technique. The X-ray diffraction was utilized to study the effect of ball milling time on the crystalline structure. Field emission scanning electron microscopy was used to analyze the morphology of Fe doped ZnO. The intensity of the peaks decreases with the ball milling time and also no evidence was found the appearance of Fe3O4 peaks at above 30 h, indicates a decrement in crystallinity owing to the incorporation of Fe into ZnO sites and it confirmed through peak shift in phase analysis. The electron structure was studied by X-ray photoelectron spectroscopy. It was observed that the both Zn and Fe are in 2+ oxidation state. The effect of milling time on optical properties and photocatalytic activity of Fe doped ZnO was determined using UV-visible spectrophotometry. Photocatalytic efficiency of the prepared samples was estimated by degradation of methylene orange dye in aqueous solution under sunlight irradiation. Maximum degradation of similar to 98.7% for MO was achieved using 40 h ball milled Fe doped ZnO nanoparticles.
机译：采用高能球磨技术制备了Fe掺杂的ZnO纳米粒子。 X射线衍射被用来研究球磨时间对晶体结构的影响。用场发射扫描电子显微镜分析了掺杂Fe的ZnO的形貌。峰值强度随球磨时间的延长而降低，并且也没有发现在30 h以上出现Fe3O4峰值的迹象，表明由于将Fe掺入ZnO位置而导致结晶度降低，并且通过相分析中的峰移证实了这一点。 。通过X射线光电子能谱研究了电子结构。观察到Zn和Fe都处于2+氧化态。用紫外可见分光光度法测定了研磨时间对掺铁的ZnO的光学性能和光催化活性的影响。通过在阳光照射下水溶液中亚甲基橙染料的降解来估计所制备样品的光催化效率。使用40 h球磨Fe掺杂的ZnO纳米颗粒，MO的最大降解率达到了98.7％。

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