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鎳納米顆粒填充碳納米管的制備和表征
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教育部科學(xué)技術(shù)研究重點(diǎn)項(xiàng)目 (208151)；甘肅省自然科學(xué)基金（1014RJZA035）資助


Preparation and Characterization of Ni Nanoparticles Filled Carbon Nanotubes
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    摘要:

    采用陽(yáng)極弧放電等離子體技術(shù)制備了Ni納米顆粒填充的碳納米管，并利用高分辨透射電子顯微鏡（HRTEM）、X射線衍射 (XRD)、透射電子顯微鏡 (TEM)、拉曼光譜（Raman）和X射線能量色散分析譜儀 (XEDS) 等測(cè)試手段對(duì)樣品的化學(xué)成分、形態(tài)和物相結(jié)構(gòu)等特征進(jìn)行了表征。結(jié)果表明，采用本實(shí)驗(yàn)的方法能獲得大量的被納米金屬顆粒填充的碳納米管，內(nèi)部填充物為fcc結(jié)構(gòu)的Ni納米顆粒，外圍薄層為石墨碳層。碳納米管的外徑在30~40 nm范圍內(nèi)，壁厚5~8 nm，內(nèi)部填充的納米顆粒呈球形和橢球形，粒徑均勻。

    Abstract:

    Ni nanoparticles filled carbon nanotubes were prepared by anodic arc discharging plasma. The composition, the morphology and the phase structure of the products by this process were investigated via the high-resolution transmission electron microscopy (HRTEM), X-ray diffraction (XRD), transmission electron microscopy (TEM), Raman spectroscopy and X-ray energy dispersive spectrometry (XEDS). The present experiment technology can obtain great amount of the carbon nanotubes filled with metallic nanoparticles, it means that inside there are Ni nanoparticles with fcc structure, outside thin layers are well-graphitized nanotubes. The diameter of carbon nanotubes ranges from 30 to 40 nm, the wall thickness is approximately 5~8 nm, and the particles encapsulated in carbon nanotubes are scattered homogeneously in spherical or ellipsoidal shapes.

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魏智強(qiáng),李維學(xué),楊 華,閆鵬勛.鎳納米顆粒填充碳納米管的制備和表征[J].稀有金屬材料與工程,2012,41(7):1289~1292.[Wei Zhiqiang, Li Weixue, Yang Hua, Yan Pengxun. Preparation and Characterization of Ni Nanoparticles Filled Carbon Nanotubes[J]. Rare Metal Materials and Engineering,2012,41(7):1289~1292.]
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  • 收稿日期:2011-07-27
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