Enhanced Carbon Nanotubes Growth Using Nickel/Ferrocene-Hybridized Catalyst
作者： Yu Dian Lim , Alexander Vasiliyvich Avramchuck , Dmitry Grapov , Chong Wei Tan , Beng Kang Tay
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摘要: Tall, crystalline carbon nanotubes (CNTs) are desired to successfully integrate them in various applications. As the crystallinity of CNTs improves with increasing growth temperatures, higher temperatures required obtain CNTs. However, a typical chemical vapor deposition (CVD) process, CNT rate reduces when temperature exceeds specific level due degradation catalyst particles. In this study, we have demonstrated improved catalytic activity nickel/ferrocene-hybridized as compared sole ferrocene catalyst. To demonstrate this, grown on bare silicon (Si) well nickel (Ni) catalyst-deposited substrates using volatile source (ferrocene/xylene) CVD at ranging from 790 880 °C. It was found that Si substrate experience reduction height above 860 °C, whereas 10 nm Ni continuous incr...
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