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首页> 外文期刊>Separation and Purification Technology >Magnetoswitchable controlled photocatalytic system using ferromagnetic Fe~0-doped titania nanorods photocatalysts with enhanced photoactivity
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Magnetoswitchable controlled photocatalytic system using ferromagnetic Fe~0-doped titania nanorods photocatalysts with enhanced photoactivity

机译：铁磁掺杂Fe〜0的二氧化钛纳米棒光催化可磁控光催化体系

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摘要

Zero-valent Fe-doped titania nanorods(Fe°/TiNRs)were prepared through a simple in situ reduction route using TiNR as templates which were pre-synthesized by normal alkaline hydrothermal method.The sample was characterized by high-resolution transmission electron microscopy(HR-TEM),X-ray diffraction(XRD)and vibrating sample magnetometer(VSM).The photocatalytic degradation of acetic acid and formaldehyde was investigated under UV light irradiation.The results indicated that the photoactivity of Fe°/TiNR was much higher than that of Degussa TiO2(P-25).Thus,in this paper a novel magnetoswitchable controlled photocatalytic system(MCPS)was suggested which described a new method for reversibly controlling the photocatalysis process using ferromagnetic Fe°/TiNR powders by means of an external magnet translocation.
机译：以TiNR为模板，通过简单的原位还原法制备了零价Fe掺杂的二氧化钛纳米棒（Fe°/ TiNRs），采用常规碱性水热法对其进行了合成，并通过高分辨率透射电子显微镜对其进行了表征。 HR-TEM），X射线衍射（XRD）和振动样品磁强计（VSM）。研究了紫外光下乙酸和甲醛的光催化降解，结果表明Fe°/ TiNR的光活性远高于因此，本文提出了一种新型的磁控可控光催化系统（MCPS），该系统描述了一种利用铁磁Fe°/ TiNR粉末通过外部磁体可逆地控制光催化过程的新方法。易位。

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