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首页> 外文期刊>Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics >Syntheses and photocatalytic performances of vertically grown Fe_2O_3 and TiO_2/Fe_2O_3 nanorods on coated glass substrates
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Syntheses and photocatalytic performances of vertically grown Fe_2O_3 and TiO_2/Fe_2O_3 nanorods on coated glass substrates

机译：垂直生长的Fe_2O_3和TiO_2 / Fe_2O_3纳米棒在涂层玻璃基底上的合成及光催化性能

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摘要

Fe_2O_3 nanorods vertically grown on α-Fe_2O_3 (hematite) coated glass substrate have been successfully synthesized first time through hydrothermal technique. The influences of process parameters on the morphologies of Fe_2O_3 nanorods were investigated in detail also. The synthesized samples were characterized by scanning electron microscopy (SEM), transmission electron microscopy (TEM), X-ray diffraction (XRD), Raman spectroscopy, and UV-vis absorption spectroscopy. Vertically grown Fe_2O_3 nanorods exhibited a hematite-type crystal structure and a size of around 100 nm diameter and around 500 nm length. The rutile-TiO_2/α-Fe_2O_3 hybrid nanorods were successfully synthesized as well. The photocatalytic experiments showed that either single hematite nanorods or mixture rutile with hematite nanorods exhibited a high photodegradation capability for methyl blue organic pollutant. This clearly means that Fe_2O_3-based nanorods can have an extended application such as waste water treatment.
机译：通过水热技术首次成功合成了垂直生长在α-Fe_2O_3（赤铁矿）涂层玻璃基板上的Fe_2O_3纳米棒。还详细研究了工艺参数对Fe_2O_3纳米棒形貌的影响。合成的样品通过扫描电子显微镜（SEM），透射电子显微镜（TEM），X射线衍射（XRD），拉曼光谱和紫外可见吸收光谱进行表征。垂直生长的Fe_2O_3纳米棒表现出赤铁矿型晶体结构，直径约为100 nm，长度约为500 nm。还成功合成了金红石型TiO_2 /α-Fe_2O_3杂化纳米棒。光催化实验表明，无论是单赤铁矿纳米棒还是金红石与赤铁矿纳米棒的混合物都对甲基蓝有机污染物具有较高的光降解能力。显然，这意味着基于Fe_2O_3的纳米棒可以得到广泛的应用，例如废水处理。

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