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FeS2纳米线的制备及硫化参数对其的影响

张辉; 杨高强; 张仁刚; 王宝义; 魏龙   

  1. 中国科学院高能物理研究所, 北京 100049
  • 收稿日期:2004-09-29 修回日期:2004-11-15 出版日期:2005-11-20 网络出版日期:2005-11-20

Synthesis of FeS2 Nanowires and Effect of Sulfidation Parameters on the Formation

ZHANG Hui; YANG Gao-Qiang; ZHANG Ren-Gang; WANG Bao-Yi; WEI Long   

  1. Key Lab of Nuclear Analysis Techniques; Institute of High Energy Physics, Chinese Academy of Sciences; Beijing 100049, China
  • Received:2004-09-29 Revised:2004-11-15 Published:2005-11-20 Online:2005-11-20

摘要: 采用阳极氧化铝模板(AAO)技术与硫化工艺结合制备了FeS2纳米线阵列.硫化后得到的FeS2纳米线保持了硫化前Fe纳米线的有序阵列.在硫化过程中,FeS2结晶温度较高, 并且结晶完毕后,硫化时间对其影响较小.对样品进行表面分析表明,硫元素在表面除以FeS2 存在外,仍有一部分以多聚体或单质形式吸附在纳米线上.

关键词: 阳极氧化铝模板, 电沉积, 热硫化, FeS2纳米线

Abstract: FeS2 nanowires array was prepared by the combination of anodic alumina menbrane technique and sulfidation procedure. Scanning electron microscope (SEM) observation shows the bundles of oriented nanowires with very high aspect ratio before and after sulfidation. The X-ray diffraction (XRD) patterns reveal that the nanowires crystallize well with the cubic pyrite phase at higher temperatures, and sulfidation time has a little influence on the grain size during crystallization. X-ray photoelectron spectroscope (XPS) spectra show that a sulphur surface component is found additionally to the known pyrite signals.

Key words: anodic oxidation, electrodeposition, thermal sulfidation, FeS2 nanowires

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