Adusumilli Siva P, Westgate Charles R
J Nanosci Nanotechnol. 2015 Sep;15(9):6609-16. doi: 10.1166/jnn.2015.10503.
The aim of this work is to analyze the conditions for producing water assisted carbon nanotubes (WA-CNT) forests by varying parameters that include growth temperature; de-ionized (DI) water flow; carbon-containing gas flow; and thereby determine the length, impurities and catalyst utilization in the CNT forest. Most importantly, the impact of water molecules on the length and catalyst utilization of the CNT forest was investigated. The CNT forests with lengths up to 140 microns were grown using a chemical vapor deposition technique at atmospheric pressure. The forest bundles had weak adhesion with the substrate which allows them to be peeled off easily, enabling easy transfer to other substrates. The characterization of CNT forest were carried out using scanning electron microscopy (SEM), energy dispersive X-ray spectroscopy (EDS) and high-resolution transmission electron microscopy (HR-TEM) techniques.
这项工作的目的是通过改变包括生长温度、去离子(DI)水流、含碳气体流量等参数来分析制备水辅助碳纳米管(WA-CNT)森林的条件,从而确定碳纳米管森林中的长度、杂质和催化剂利用率。最重要的是,研究了水分子对碳纳米管森林长度和催化剂利用率的影响。使用化学气相沉积技术在大气压下生长出长度达140微米的碳纳米管森林。森林束与基底的附着力较弱,这使得它们易于剥离,便于转移到其他基底上。使用扫描电子显微镜(SEM)、能量色散X射线光谱(EDS)和高分辨率透射电子显微镜(HR-TEM)技术对碳纳米管森林进行了表征。