Fabrication of CoFe2O4 Nanowire Using a Double-Pass Porous Alumina Template with a Large Range of Pore Diameters
Fabrication of CoFe2O4 Nanowire Using a Double-Pass Porous Alumina Template with a Large Range of Pore Diameters
复制标题
使用大孔径双通多孔氧化铝模板制备 CoFe2O4 纳米线
DOI：
10.3390/cryst10040331
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发表时间：
2020-04
期刊：
影响因子：
2.7
通讯作者：
Zhang Yang
中科院分区：
文献类型：
--
作者：
Chen Wei;Zheng Hui;Hu Dongping;Wu Qiong;Zheng Peng;Zheng Liang;Zhang Yang
本工作采用自行设计的双通道多孔氧化铝模板制备了CoFe2O4纳米线。采用混合酸(磷酸和草酸)电解液和聚甲基丙烯酸甲酯(PMMA)填料，采用两步氧化法制备了双通道多孔氧化铝模板。该混合酸电解液有效地解决了铝箔在高压下的燃烧问题。此外，采用PMMA作为填料后，孔径范围明显增大到230~400 nm，在去除阻挡层时可防止孔壁与溶液接触。随后，采用电化学沉积的方法成功地将CoFe2O4铁氧体纳米线阵列制备成双通道多孔氧化铝模板，并表现出磁性能的各向异性特征。
In this work, CoFe2O4 nanowire was fabricated by using a self-designed double-pass porous alumina template. The double-pass porous alumina template was prepared by a two-step oxidation method using a mixed acid (phosphoric acid and oxalic acid) electrolyte and polymethyl methacrylate (PMMA) filler. The combustion of aluminum foil at a high voltage has been effectively resolved by using this mixed acid electrolyte. Additionally, the range of pore diameters has been obviously increased to 230–400 nm by using PMMA as the filler, which can prevent contact between the pore and solution when removing the barrier layer. Subsequently, CoFe2O4 ferrite nanowire arrays were successfully fabricated into the double-pass porous alumina template by an electrochemical deposition method, and show an anisotropic feature of magnetic properties.
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