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Multi-walled carbon nanotubes decorated with titanium nanoparticles: synthesis and characterization

机译：钛纳米粒子修饰的多壁碳纳米管的合成与表征

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A chemical route to decorate MWCNTs by titanium nanoparticles has been developed. MWCNTs, grown by catalytic decomposition of propane, have been used to prepare intercalated K-MWCNTs, which are then reacted with Ti(IV) isopropoxide. The amount of Ti present in the nanostructure is 8.7 wt percent. Several techniques have been used for a detailed characterization of MWCNTs decorated by Ti nanoparticles, such as transmission electron microscopy (TEM), selected-area electron diffraction (SAED), high resolution transmission electron microscopy (HREM) and electron energy loss spectroscopy (EELS) as well as Raman spectroscopy and x-ray diffraction (XRD). Titanium is found to be present as alpha-Ti(hcp) dispersed in very small particles, the size of the largest being approx 2 nm. The Ti-containing phase appears to be fairly homogeneously distributed in the space between the two sides of a MWCNT. No intercalation of Ti between the CNT walls has been detected.
机译：已经开发了一种通过钛纳米粒子装饰MWCNT的化学途径。通过丙烷催化分解生长的多壁碳纳米管已用于制备插层的K-MWCNT，然后使其与异丙醇钛（IV）反应。存在于纳米结构中的Ti的量为8.7重量％。几种技术已用于表征由Ti纳米粒子修饰的MWCNT，例如透射电子显微镜（TEM），选择区域电子衍射（SAED），高分辨率透射电子显微镜（HREM）和电子能量损失谱（EELS）。以及拉曼光谱和X射线衍射（XRD）。发现钛以α-Ti（hcp）的形式分散在很小的颗粒中，最大的颗粒约为2 nm。含Ti相似乎在MWCNT两侧之间的空间中相当均匀地分布。尚未检测到CNT壁之间的Ti嵌入。

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